diff --git a/adapters/33across/usersync_test.go b/adapters/33across/usersync_test.go
index f4bb28150de..a5e301b1082 100644
--- a/adapters/33across/usersync_test.go
+++ b/adapters/33across/usersync_test.go
@@ -5,20 +5,30 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
+	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func Test33AcrossSyncer(t *testing.T) {
-	syncURL := "https://ic.tynt.com/r/d?m=xch&rt=html&ri=123&ru=%2Fsetuid%3Fbidder%3D33across%26uid%3D33XUSERID33X&id=zzz000000000002zzz"
+	syncURL := "https://ic.tynt.com/r/d?m=xch&rt=html&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&ru=%2Fsetuid%3Fbidder%3D33across%26uid%3D33XUSERID33X&id=zzz000000000002zzz"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
 
 	syncer := New33AcrossSyncer(syncURLTemplate)
-	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{})
+	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{
+		GDPR: gdpr.Policy{
+			Signal:  "A",
+			Consent: "B",
+		},
+		CCPA: ccpa.Policy{
+			Value: "C",
+		},
+	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "https://ic.tynt.com/r/d?m=xch&rt=html&ri=123&ru=%2Fsetuid%3Fbidder%3D33across%26uid%3D33XUSERID33X&id=zzz000000000002zzz", syncInfo.URL)
+	assert.Equal(t, "https://ic.tynt.com/r/d?m=xch&rt=html&gdpr=A&gdpr_consent=B&us_privacy=C&ru=%2Fsetuid%3Fbidder%3D33across%26uid%3D33XUSERID33X&id=zzz000000000002zzz", syncInfo.URL)
 	assert.Equal(t, "iframe", syncInfo.Type)
 	assert.EqualValues(t, 58, syncer.GDPRVendorID())
 	assert.False(t, syncInfo.SupportCORS)
diff --git a/adapters/adkernel/usersync_test.go b/adapters/adkernel/usersync_test.go
index bd09c361a03..0d539d11ee0 100644
--- a/adapters/adkernel/usersync_test.go
+++ b/adapters/adkernel/usersync_test.go
@@ -5,12 +5,13 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestAdkernelAdnSyncer(t *testing.T) {
-	syncURL := "https://sync.adkernel.com/user-sync?t=image&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3Dadkernel%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BUID%7D"
+	syncURL := "https://sync.adkernel.com/user-sync?t=image&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3Dadkernel%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BUID%7D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -21,10 +22,13 @@ func TestAdkernelAdnSyncer(t *testing.T) {
 			Signal:  "1",
 			Consent: "BONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw",
 		},
+		CCPA: ccpa.Policy{
+			Value: "1NYN",
+		},
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "https://sync.adkernel.com/user-sync?t=image&gdpr=1&gdpr_consent=BONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3Dadkernel%26gdpr%3D1%26gdpr_consent%3DBONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw%26uid%3D%7BUID%7D", syncInfo.URL)
+	assert.Equal(t, "https://sync.adkernel.com/user-sync?t=image&gdpr=1&gdpr_consent=BONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw&us_privacy=1NYN&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3Dadkernel%26gdpr%3D1%26gdpr_consent%3DBONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw%26uid%3D%7BUID%7D", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, adkernelGDPRVendorID, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/adkernelAdn/usersync_test.go b/adapters/adkernelAdn/usersync_test.go
index 007cacce29c..ecc759bdf70 100644
--- a/adapters/adkernelAdn/usersync_test.go
+++ b/adapters/adkernelAdn/usersync_test.go
@@ -5,12 +5,13 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestAdkernelAdnSyncer(t *testing.T) {
-	syncURL := "https://tag.adkernel.com/syncr?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3DadkernelAdn%26uid%3D%7BUID%7D"
+	syncURL := "https://tag.adkernel.com/syncr?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3DadkernelAdn%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BUID%7D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -21,10 +22,13 @@ func TestAdkernelAdnSyncer(t *testing.T) {
 			Signal:  "1",
 			Consent: "BONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw",
 		},
+		CCPA: ccpa.Policy{
+			Value: "1NYN",
+		},
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "https://tag.adkernel.com/syncr?gdpr=1&gdpr_consent=BONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3DadkernelAdn%26uid%3D%7BUID%7D", syncInfo.URL)
+	assert.Equal(t, "https://tag.adkernel.com/syncr?gdpr=1&gdpr_consent=BONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw&us_privacy=1NYN&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3DadkernelAdn%26gdpr%3D1%26gdpr_consent%3DBONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw%26uid%3D%7BUID%7D", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, adkernelGDPRVendorID, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/beachfront/usersync_test.go b/adapters/beachfront/usersync_test.go
index 0b71e0f92f8..f0c4b3817d1 100644
--- a/adapters/beachfront/usersync_test.go
+++ b/adapters/beachfront/usersync_test.go
@@ -5,20 +5,30 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
+	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestBeachfrontSyncer(t *testing.T) {
-	syncURL := "localhost"
+	syncURL := "https://sync.bfmio.com/sync_s2s?gdpr={{.GDPR}}&us_privacy={{.USPrivacy}}&url=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3Dbeachfront%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%5Bio_cid%5D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
 
 	syncer := NewBeachfrontSyncer(syncURLTemplate)
-	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{})
+	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{
+		GDPR: gdpr.Policy{
+			Signal:  "A",
+			Consent: "B",
+		},
+		CCPA: ccpa.Policy{
+			Value: "C",
+		},
+	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "localhost", syncInfo.URL)
+	assert.Equal(t, "https://sync.bfmio.com/sync_s2s?gdpr=A&us_privacy=C&url=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3Dbeachfront%26gdpr%3DA%26gdpr_consent%3DB%26uid%3D%5Bio_cid%5D", syncInfo.URL)
 	assert.Equal(t, "iframe", syncInfo.Type)
 	assert.EqualValues(t, 0, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/brightroll/usersync_test.go b/adapters/brightroll/usersync_test.go
index 08104c048ac..a5d47e35e56 100644
--- a/adapters/brightroll/usersync_test.go
+++ b/adapters/brightroll/usersync_test.go
@@ -9,7 +9,7 @@ import (
 )
 
 func TestBrightrollSyncer(t *testing.T) {
-	syncURL := "http://test-bh.ybp.yahoo.com/sync/appnexuspbs?gdpr={{.GDPR}}&euconsent={{.GDPRConsent}}&url=localhost%2Fsetuid%3Fbidder%3Dbrightroll%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUID%7D"
+	syncURL := "http://test-bh.ybp.yahoo.com/sync/appnexuspbs?gdpr={{.GDPR}}&euconsent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&url=localhost%2Fsetuid%3Fbidder%3Dbrightroll%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUID%7D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -18,7 +18,7 @@ func TestBrightrollSyncer(t *testing.T) {
 	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "http://test-bh.ybp.yahoo.com/sync/appnexuspbs?gdpr=&euconsent=&url=localhost%2Fsetuid%3Fbidder%3Dbrightroll%26gdpr%3D%26gdpr_consent%3D%26uid%3D%24%7BUID%7D", syncInfo.URL)
+	assert.Equal(t, "http://test-bh.ybp.yahoo.com/sync/appnexuspbs?gdpr=&euconsent=&us_privacy=&url=localhost%2Fsetuid%3Fbidder%3Dbrightroll%26gdpr%3D%26gdpr_consent%3D%26uid%3D%24%7BUID%7D", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, 25, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/consumable/usersync_test.go b/adapters/consumable/usersync_test.go
index 7def6be0a48..eb97edf2cae 100644
--- a/adapters/consumable/usersync_test.go
+++ b/adapters/consumable/usersync_test.go
@@ -5,12 +5,13 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestConsumableSyncer(t *testing.T) {
-	syncURL := "//e.serverbid.com/udb/9969/match?redir=http%3A%2F%2Flocalhost%3A8000%2Fsetuid%3Fbidder%3Dconsumable%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D"
+	syncURL := "//e.serverbid.com/udb/9969/match?gdpr={{.GDPR}}&euconsent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redir=http%3A%2F%2Flocalhost%3A8000%2Fsetuid%3Fbidder%3Dconsumable%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -18,12 +19,16 @@ func TestConsumableSyncer(t *testing.T) {
 	syncer := NewConsumableSyncer(syncURLTemplate)
 	u, err := syncer.GetUsersyncInfo(privacy.Policies{
 		GDPR: gdpr.Policy{
-			Signal: "0",
+			Signal:  "A",
+			Consent: "B",
+		},
+		CCPA: ccpa.Policy{
+			Value: "C",
 		},
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "//e.serverbid.com/udb/9969/match?redir=http%3A%2F%2Flocalhost%3A8000%2Fsetuid%3Fbidder%3Dconsumable%26gdpr%3D0%26gdpr_consent%3D%26uid%3D", u.URL)
+	assert.Equal(t, "//e.serverbid.com/udb/9969/match?gdpr=A&euconsent=B&us_privacy=C&redir=http%3A%2F%2Flocalhost%3A8000%2Fsetuid%3Fbidder%3Dconsumable%26gdpr%3DA%26gdpr_consent%3DB%26uid%3D", u.URL)
 	assert.Equal(t, "redirect", u.Type)
 	assert.Equal(t, uint16(65535), syncer.GDPRVendorID())
 	assert.Equal(t, false, u.SupportCORS)
diff --git a/adapters/datablocks/usersync_test.go b/adapters/datablocks/usersync_test.go
index 9dcaf8295fa..f8500ab9b03 100644
--- a/adapters/datablocks/usersync_test.go
+++ b/adapters/datablocks/usersync_test.go
@@ -5,12 +5,13 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestDatablocksSyncer(t *testing.T) {
-	syncURL := "https://sync.v5prebid.datablocks.net/s2ssync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3Ddatablocks%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7Buid%7D"
+	syncURL := "https://sync.v5prebid.datablocks.net/s2ssync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3Ddatablocks%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7Buid%7D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -21,10 +22,13 @@ func TestDatablocksSyncer(t *testing.T) {
 			Signal:  "1",
 			Consent: "BONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw",
 		},
+		CCPA: ccpa.Policy{
+			Value: "1NYN",
+		},
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "https://sync.v5prebid.datablocks.net/s2ssync?gdpr=1&gdpr_consent=BONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3Ddatablocks%26gdpr%3D1%26gdpr_consent%3DBONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw%26uid%3D%24%7Buid%7D", syncInfo.URL)
+	assert.Equal(t, "https://sync.v5prebid.datablocks.net/s2ssync?gdpr=1&gdpr_consent=BONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw&us_privacy=1NYN&r=https%3A%2F%2Flocalhost%3A8888%2Fsetuid%3Fbidder%3Ddatablocks%26gdpr%3D1%26gdpr_consent%3DBONciguONcjGKADACHENAOLS1rAHDAFAAEAASABQAMwAeACEAFw%26uid%3D%24%7Buid%7D", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, datablocksGDPRVendorID, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/emx_digital/usersync_test.go b/adapters/emx_digital/usersync_test.go
index d8f874c8545..0e76936cea4 100644
--- a/adapters/emx_digital/usersync_test.go
+++ b/adapters/emx_digital/usersync_test.go
@@ -5,12 +5,13 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestEMXDigitalSyncer(t *testing.T) {
-	syncURL := "https://cs.emxdgt.com/um?ssp=pbs&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redirect=localhost%2Fsetuid%3Fbidder%3Demx_digital%26uid%3D%24UID"
+	syncURL := "https://cs.emxdgt.com/um?ssp=pbs&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redirect=localhost%2Fsetuid%3Fbidder%3Demx_digital%26uid%3D%24UID"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -21,10 +22,13 @@ func TestEMXDigitalSyncer(t *testing.T) {
 			Signal:  "1",
 			Consent: "BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA",
 		},
+		CCPA: ccpa.Policy{
+			Value: "1NYN",
+		},
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "https://cs.emxdgt.com/um?ssp=pbs&gdpr=1&gdpr_consent=BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA&redirect=localhost%2Fsetuid%3Fbidder%3Demx_digital%26uid%3D%24UID", syncInfo.URL)
+	assert.Equal(t, "https://cs.emxdgt.com/um?ssp=pbs&gdpr=1&gdpr_consent=BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA&us_privacy=1NYN&redirect=localhost%2Fsetuid%3Fbidder%3Demx_digital%26uid%3D%24UID", syncInfo.URL)
 	assert.Equal(t, "iframe", syncInfo.Type)
 	assert.EqualValues(t, 183, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/engagebdr/usersync_test.go b/adapters/engagebdr/usersync_test.go
index fbcde923f09..45e1e41e196 100644
--- a/adapters/engagebdr/usersync_test.go
+++ b/adapters/engagebdr/usersync_test.go
@@ -5,12 +5,13 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestEngageBDRSyncer(t *testing.T) {
-	syncURL := "https://match.bnmla.com/usersync/prbds2s?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r=localhost%2Fsetuid%3Fbidder%3Dgumgum%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D"
+	syncURL := "https://match.bnmla.com/usersync/s2s?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r=localhost%2Fsetuid%3Fbidder%3Dengagebdr%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -21,10 +22,13 @@ func TestEngageBDRSyncer(t *testing.T) {
 			Signal:  "1",
 			Consent: "BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA",
 		},
+		CCPA: ccpa.Policy{
+			Value: "1NYN",
+		},
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "https://match.bnmla.com/usersync/prbds2s?gdpr=1&gdpr_consent=BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA&r=localhost%2Fsetuid%3Fbidder%3Dgumgum%26gdpr%3D1%26gdpr_consent%3DBOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA%26uid%3D", syncInfo.URL)
+	assert.Equal(t, "https://match.bnmla.com/usersync/s2s?gdpr=1&gdpr_consent=BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA&us_privacy=1NYN&r=localhost%2Fsetuid%3Fbidder%3Dengagebdr%26gdpr%3D1%26gdpr_consent%3DBOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA%26uid%3D", syncInfo.URL)
 	assert.Equal(t, "iframe", syncInfo.Type)
 	assert.EqualValues(t, 62, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/gumgum/usersync_test.go b/adapters/gumgum/usersync_test.go
index 22c42695d38..3606f6ae04c 100644
--- a/adapters/gumgum/usersync_test.go
+++ b/adapters/gumgum/usersync_test.go
@@ -5,12 +5,13 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestGumGumSyncer(t *testing.T) {
-	syncURL := "https://rtb.gumgum.com/usync/prbds2s?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r=localhost%2Fsetuid%3Fbidder%3Dgumgum%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D"
+	syncURL := "https://rtb.gumgum.com/usync/prbds2s?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r=localhost%2Fsetuid%3Fbidder%3Dgumgum%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -21,10 +22,13 @@ func TestGumGumSyncer(t *testing.T) {
 			Signal:  "1",
 			Consent: "BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA",
 		},
+		CCPA: ccpa.Policy{
+			Value: "1NYN",
+		},
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "https://rtb.gumgum.com/usync/prbds2s?gdpr=1&gdpr_consent=BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA&r=localhost%2Fsetuid%3Fbidder%3Dgumgum%26gdpr%3D1%26gdpr_consent%3DBOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA%26uid%3D", syncInfo.URL)
+	assert.Equal(t, "https://rtb.gumgum.com/usync/prbds2s?gdpr=1&gdpr_consent=BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA&us_privacy=1NYN&r=localhost%2Fsetuid%3Fbidder%3Dgumgum%26gdpr%3D1%26gdpr_consent%3DBOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA%26uid%3D", syncInfo.URL)
 	assert.Equal(t, "iframe", syncInfo.Type)
 	assert.EqualValues(t, 61, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/improvedigital/usersync_test.go b/adapters/improvedigital/usersync_test.go
index 861e4875a80..c928ebf123d 100644
--- a/adapters/improvedigital/usersync_test.go
+++ b/adapters/improvedigital/usersync_test.go
@@ -5,12 +5,13 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestImprovedigitalSyncer(t *testing.T) {
-	syncURL := "//not_localhost/synclocalhost%2Fsetuid%3Fbidder%3Dimprovedigital%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BPUB_USER_ID%7D"
+	syncURL := "https://ad.360yield.com/server_match?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r=%2Fsetuid%3Fbidder%3Dimprovedigital%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BPUB_USER_ID%7D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -18,12 +19,16 @@ func TestImprovedigitalSyncer(t *testing.T) {
 	syncer := NewImprovedigitalSyncer(syncURLTemplate)
 	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{
 		GDPR: gdpr.Policy{
-			Signal: "0",
+			Signal:  "A",
+			Consent: "B",
+		},
+		CCPA: ccpa.Policy{
+			Value: "C",
 		},
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "//not_localhost/synclocalhost%2Fsetuid%3Fbidder%3Dimprovedigital%26gdpr%3D0%26gdpr_consent%3D%26uid%3D%7BPUB_USER_ID%7D", syncInfo.URL)
+	assert.Equal(t, "https://ad.360yield.com/server_match?gdpr=A&gdpr_consent=B&us_privacy=C&r=%2Fsetuid%3Fbidder%3Dimprovedigital%26gdpr%3DA%26gdpr_consent%3DB%26uid%3D%7BPUB_USER_ID%7D", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, 253, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/lockerdome/usersync_test.go b/adapters/lockerdome/usersync_test.go
index b0307c0f215..b5dea2261b6 100644
--- a/adapters/lockerdome/usersync_test.go
+++ b/adapters/lockerdome/usersync_test.go
@@ -9,7 +9,7 @@ import (
 )
 
 func TestLockerDomeSyncer(t *testing.T) {
-	syncURL := "https://lockerdome.com/usync/prebidserver?pid=&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redirect=https%3A%2F%2Flocalhost%2Fsetuid%3Fbidder%3Dlockerdome%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7B%7Buid%7D%7D"
+	syncURL := "https://lockerdome.com/usync/prebidserver?pid=&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redirect=https%3A%2F%2Flocalhost%2Fsetuid%3Fbidder%3Dlockerdome%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7B%7Buid%7D%7D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -18,7 +18,7 @@ func TestLockerDomeSyncer(t *testing.T) {
 	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "https://lockerdome.com/usync/prebidserver?pid=&gdpr=&gdpr_consent=&redirect=https%3A%2F%2Flocalhost%2Fsetuid%3Fbidder%3Dlockerdome%26gdpr%3D%26gdpr_consent%3D%26uid%3D%7B%7Buid%7D%7D", syncInfo.URL)
+	assert.Equal(t, "https://lockerdome.com/usync/prebidserver?pid=&gdpr=&gdpr_consent=&us_privacy=&redirect=https%3A%2F%2Flocalhost%2Fsetuid%3Fbidder%3Dlockerdome%26gdpr%3D%26gdpr_consent%3D%26uid%3D%7B%7Buid%7D%7D", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, 0, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/marsmedia/usersync_test.go b/adapters/marsmedia/usersync_test.go
index 0e50e2bcec9..67276a35fb6 100644
--- a/adapters/marsmedia/usersync_test.go
+++ b/adapters/marsmedia/usersync_test.go
@@ -5,16 +5,32 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
+	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestMarsmediaSyncer(t *testing.T) {
-	temp := template.Must(template.New("sync-template").Parse("http://dmp.rtbsrv.com/dmp/profiles/cm?p_id=179&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redirect=localhost:8000%2Fsetuid%3Fbidder%3Dmarsmedia%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUUID%7D"))
-	syncer := NewMarsmediaSyncer(temp)
-	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{})
+	syncURL := "https://dmp.rtbsrv.com/dmp/profiles/cm?p_id=179&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redirect=localhost:8000%2Fsetuid%3Fbidder%3Dmarsmedia%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUUID%7D"
+	syncURLTemplate := template.Must(
+		template.New("sync-template").Parse(syncURL),
+	)
+
+	syncer := NewMarsmediaSyncer(syncURLTemplate)
+	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{
+		GDPR: gdpr.Policy{
+			Signal:  "A",
+			Consent: "B",
+		},
+		CCPA: ccpa.Policy{
+			Value: "C",
+		},
+	})
+
 	assert.NoError(t, err)
-	assert.Equal(t, "http://dmp.rtbsrv.com/dmp/profiles/cm?p_id=179&gdpr=&gdpr_consent=&redirect=localhost:8000%2Fsetuid%3Fbidder%3Dmarsmedia%26gdpr%3D%26gdpr_consent%3D%26uid%3D%24%7BUUID%7D", syncInfo.URL)
+	assert.Equal(t, "https://dmp.rtbsrv.com/dmp/profiles/cm?p_id=179&gdpr=A&gdpr_consent=B&us_privacy=C&redirect=localhost:8000%2Fsetuid%3Fbidder%3Dmarsmedia%26gdpr%3DA%26gdpr_consent%3DB%26uid%3D%24%7BUUID%7D", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, 0, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
+
 }
diff --git a/adapters/rhythmone/usersync_test.go b/adapters/rhythmone/usersync_test.go
index 0dcf4fbda7e..cee6e9b0259 100644
--- a/adapters/rhythmone/usersync_test.go
+++ b/adapters/rhythmone/usersync_test.go
@@ -5,12 +5,13 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestRhythmoneSyncer(t *testing.T) {
-	syncURL := "https://sync.1rx.io/usersync2/rmphb?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redir=localhost%2Fsetuid%3Fbidder%3Drhythmone%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%5BRX_UUID%5D"
+	syncURL := "https://sync.1rx.io/usersync2/rmphb?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redir=localhost%2Fsetuid%3Fbidder%3Drhythmone%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%5BRX_UUID%5D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -21,10 +22,13 @@ func TestRhythmoneSyncer(t *testing.T) {
 			Signal:  "1",
 			Consent: "BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA",
 		},
+		CCPA: ccpa.Policy{
+			Value: "1NYN",
+		},
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "https://sync.1rx.io/usersync2/rmphb?gdpr=1&gdpr_consent=BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA&redir=localhost%2Fsetuid%3Fbidder%3Drhythmone%26gdpr%3D1%26gdpr_consent%3DBOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA%26uid%3D%5BRX_UUID%5D", syncInfo.URL)
+	assert.Equal(t, "https://sync.1rx.io/usersync2/rmphb?gdpr=1&gdpr_consent=BOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA&us_privacy=1NYN&redir=localhost%2Fsetuid%3Fbidder%3Drhythmone%26gdpr%3D1%26gdpr_consent%3DBOPVK28OVJoTBABABAENBs-AAAAhuAKAANAAoACwAGgAPAAxAB0AHgAQAAiABOADkA%26uid%3D%5BRX_UUID%5D", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, 36, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/triplelift/usersync_test.go b/adapters/triplelift/usersync_test.go
index b4bc845915b..1731b22dffb 100644
--- a/adapters/triplelift/usersync_test.go
+++ b/adapters/triplelift/usersync_test.go
@@ -9,7 +9,7 @@ import (
 )
 
 func TestTripleliftSyncer(t *testing.T) {
-	syncURL := "//eb2.3lift.com/getuid?gdpr={{.GDPR}}&cmp_cs={{.GDPRConsent}}&redir=https%3A%2F%2Feb2.3lift.com%2Fsetuid%3Fbidder%3Dtriplelift%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID"
+	syncURL := "//eb2.3lift.com/getuid?gdpr={{.GDPR}}&cmp_cs={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redir=https%3A%2F%2Feb2.3lift.com%2Fsetuid%3Fbidder%3Dtriplelift%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -18,7 +18,7 @@ func TestTripleliftSyncer(t *testing.T) {
 	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "//eb2.3lift.com/getuid?gdpr=&cmp_cs=&redir=https%3A%2F%2Feb2.3lift.com%2Fsetuid%3Fbidder%3Dtriplelift%26gdpr%3D%26gdpr_consent%3D%26uid%3D%24UID", syncInfo.URL)
+	assert.Equal(t, "//eb2.3lift.com/getuid?gdpr=&cmp_cs=&us_privacy=&redir=https%3A%2F%2Feb2.3lift.com%2Fsetuid%3Fbidder%3Dtriplelift%26gdpr%3D%26gdpr_consent%3D%26uid%3D%24UID", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, 28, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/triplelift_native/usersync_test.go b/adapters/triplelift_native/usersync_test.go
index 2fb66c2bd2a..df0757edc9f 100644
--- a/adapters/triplelift_native/usersync_test.go
+++ b/adapters/triplelift_native/usersync_test.go
@@ -9,7 +9,7 @@ import (
 )
 
 func TestTripleliftSyncer(t *testing.T) {
-	syncURL := "//eb2.3lift.com/getuid?gdpr={{.GDPR}}&cmp_cs={{.GDPRConsent}}&redir=https%3A%2F%2Feb2.3lift.com%2Fsetuid%3Fbidder%3Dtriplelift%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID"
+	syncURL := "//eb2.3lift.com/getuid?gdpr={{.GDPR}}&cmp_cs={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redir=https%3A%2F%2Feb2.3lift.com%2Fsetuid%3Fbidder%3Dtriplelift%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -18,7 +18,7 @@ func TestTripleliftSyncer(t *testing.T) {
 	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "//eb2.3lift.com/getuid?gdpr=&cmp_cs=&redir=https%3A%2F%2Feb2.3lift.com%2Fsetuid%3Fbidder%3Dtriplelift%26gdpr%3D%26gdpr_consent%3D%26uid%3D%24UID", syncInfo.URL)
+	assert.Equal(t, "//eb2.3lift.com/getuid?gdpr=&cmp_cs=&us_privacy=&redir=https%3A%2F%2Feb2.3lift.com%2Fsetuid%3Fbidder%3Dtriplelift%26gdpr%3D%26gdpr_consent%3D%26uid%3D%24UID", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, 28, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/unruly/usersync_test.go b/adapters/unruly/usersync_test.go
index 8db8f75059e..bdab254f370 100644
--- a/adapters/unruly/usersync_test.go
+++ b/adapters/unruly/usersync_test.go
@@ -5,12 +5,13 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestUnrulySyncer(t *testing.T) {
-	syncURL := "//unrulymedia.com/pixel?redir=external.com%2Fsetuid%3Fbidder%3Dunruly%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID"
+	syncURL := "https://usermatch.targeting.unrulymedia.com/pbsync?gdpr={{.GDPR}}&consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&rurl=%2Fsetuid%3Fbidder%3Dunruly%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -18,12 +19,16 @@ func TestUnrulySyncer(t *testing.T) {
 	syncer := NewUnrulySyncer(syncURLTemplate)
 	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{
 		GDPR: gdpr.Policy{
-			Signal: "0",
+			Signal:  "A",
+			Consent: "B",
+		},
+		CCPA: ccpa.Policy{
+			Value: "C",
 		},
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "//unrulymedia.com/pixel?redir=external.com%2Fsetuid%3Fbidder%3Dunruly%26gdpr%3D0%26gdpr_consent%3D%26uid%3D%24UID", syncInfo.URL)
+	assert.Equal(t, "https://usermatch.targeting.unrulymedia.com/pbsync?gdpr=A&consent=B&us_privacy=C&rurl=%2Fsetuid%3Fbidder%3Dunruly%26gdpr%3DA%26gdpr_consent%3DB%26uid%3D%24UID", syncInfo.URL)
 	assert.Equal(t, "iframe", syncInfo.Type)
 	assert.EqualValues(t, 162, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/visx/usersync_test.go b/adapters/visx/usersync_test.go
index 9133c5dfcfe..01e80e644c5 100644
--- a/adapters/visx/usersync_test.go
+++ b/adapters/visx/usersync_test.go
@@ -5,12 +5,13 @@ import (
 	"text/template"
 
 	"github.com/prebid/prebid-server/privacy"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"github.com/prebid/prebid-server/privacy/gdpr"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestVisxSyncer(t *testing.T) {
-	syncURL := "//not_localhost/synclocalhost%2Fsetuid%3Fbidder%3Dvisx%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUUID%7D"
+	syncURL := "https://t.visx.net/s2s_sync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redir=%2Fsetuid%3Fbidder%3Dvisx%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUUID%7D"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -18,12 +19,16 @@ func TestVisxSyncer(t *testing.T) {
 	syncer := NewVisxSyncer(syncURLTemplate)
 	syncInfo, err := syncer.GetUsersyncInfo(privacy.Policies{
 		GDPR: gdpr.Policy{
-			Signal: "0",
+			Signal:  "A",
+			Consent: "B",
+		},
+		CCPA: ccpa.Policy{
+			Value: "C",
 		},
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "//not_localhost/synclocalhost%2Fsetuid%3Fbidder%3Dvisx%26gdpr%3D0%26gdpr_consent%3D%26uid%3D%24%7BUUID%7D", syncInfo.URL)
+	assert.Equal(t, "https://t.visx.net/s2s_sync?gdpr=A&gdpr_consent=B&us_privacy=C&redir=%2Fsetuid%3Fbidder%3Dvisx%26gdpr%3DA%26gdpr_consent%3DB%26uid%3D%24%7BUUID%7D", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, 0, syncer.GDPRVendorID())
 	assert.Equal(t, false, syncInfo.SupportCORS)
diff --git a/adapters/yieldmo/usersync_test.go b/adapters/yieldmo/usersync_test.go
index 93ab907f202..5ae437c8f00 100644
--- a/adapters/yieldmo/usersync_test.go
+++ b/adapters/yieldmo/usersync_test.go
@@ -10,7 +10,7 @@ import (
 )
 
 func TestYieldmoSyncer(t *testing.T) {
-	syncURL := "//ads.yieldmo.com/pbsync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redirectUri=http%3A%2F%2Flocalhost%2F%2Fsetuid%3Fbidder%3Dyieldmo%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID"
+	syncURL := "//ads.yieldmo.com/pbsync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redirectUri=http%3A%2F%2Flocalhost%2F%2Fsetuid%3Fbidder%3Dyieldmo%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID"
 	syncURLTemplate := template.Must(
 		template.New("sync-template").Parse(syncURL),
 	)
@@ -23,7 +23,7 @@ func TestYieldmoSyncer(t *testing.T) {
 	})
 
 	assert.NoError(t, err)
-	assert.Equal(t, "//ads.yieldmo.com/pbsync?gdpr=0&gdpr_consent=&redirectUri=http%3A%2F%2Flocalhost%2F%2Fsetuid%3Fbidder%3Dyieldmo%26gdpr%3D0%26gdpr_consent%3D%26uid%3D%24UID", syncInfo.URL)
+	assert.Equal(t, "//ads.yieldmo.com/pbsync?gdpr=0&gdpr_consent=&us_privacy=&redirectUri=http%3A%2F%2Flocalhost%2F%2Fsetuid%3Fbidder%3Dyieldmo%26gdpr%3D0%26gdpr_consent%3D%26uid%3D%24UID", syncInfo.URL)
 	assert.Equal(t, "redirect", syncInfo.Type)
 	assert.EqualValues(t, 0, syncer.GDPRVendorID())
 	assert.False(t, syncInfo.SupportCORS)
diff --git a/config/config.go b/config/config.go
index d586021fd14..722aae1395c 100644
--- a/config/config.go
+++ b/config/config.go
@@ -484,37 +484,37 @@ func (cfg *Configuration) GetCachedAssetURL(uuid string) string {
 //
 func (cfg *Configuration) setDerivedDefaults() {
 	externalURL := cfg.ExternalURL
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.Bidder33Across, "https://ic.tynt.com/r/d?m=xch&rt=html&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&ru="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3D33across%26uid%3D33XUSERID33X&id=zzz000000000002zzz")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.Bidder33Across, "https://ic.tynt.com/r/d?m=xch&rt=html&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&ru="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3D33across%26uid%3D33XUSERID33X&id=zzz000000000002zzz")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdform, "https://cm.adform.net/cookie?redirect_url="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dadform%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdkernel, "https://sync.adkernel.com/user-sync?t=image&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dadkernel%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BUID%7D")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdkernelAdn, "https://tag.adkernel.com/syncr?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3DadkernelAdn%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BUID%7D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdkernel, "https://sync.adkernel.com/user-sync?t=image&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dadkernel%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BUID%7D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdkernelAdn, "https://tag.adkernel.com/syncr?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3DadkernelAdn%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BUID%7D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdpone, "https://usersync.adpone.com/csync?redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dadpone%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7Buid%7D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdtelligent, "https://sync.adtelligent.com/csync?t=p&ep=0&redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dadtelligent%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7Buid%7D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAdvangelists, "https://nep.advangelists.com/xp/user-sync?acctid={aid}&&redirect="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dadvangelists%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderAppnexus, "https://ib.adnxs.com/getuid?"+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dadnxs%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderBeachfront, "https://sync.bfmio.com/sync_s2s?gdpr={{.GDPR}}&url="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dbeachfront%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%5Bio_cid%5D")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderBrightroll, "https://pr-bh.ybp.yahoo.com/sync/appnexusprebidserver/?gdpr={{.GDPR}}&euconsent={{.GDPRConsent}}&url="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dbrightroll%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderConsumable, "https://e.serverbid.com/udb/9969/match?gdpr={{.GDPR}}&euconsent={{.GDPRConsent}}&redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dconsumable%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderBeachfront, "https://sync.bfmio.com/sync_s2s?gdpr={{.GDPR}}&us_privacy={{.USPrivacy}}&url="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dbeachfront%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%5Bio_cid%5D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderBrightroll, "https://pr-bh.ybp.yahoo.com/sync/appnexusprebidserver/?gdpr={{.GDPR}}&euconsent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&url="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dbrightroll%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderConsumable, "https://e.serverbid.com/udb/9969/match?gdpr={{.GDPR}}&euconsent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dconsumable%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderConversant, "https://prebid-match.dotomi.com/prebid/match?rurl="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dconversant%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderDatablocks, "https://sync.v5prebid.datablocks.net/s2ssync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Ddatablocks%26gdpr%3D%24%7Bgdpr%7D%26gdpr_consent%3D%24%7Bgdpr_consent%7D%26uid%3D%24%7Buid%7D")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderEmxDigital, "https://cs.emxdgt.com/um?ssp=pbs&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redirect="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Demx_digital%26uid%3D%24UID")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderEngageBDR, "https://match.bnmla.com/usersync/s2s_sync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dvisx%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUUID%7D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderDatablocks, "https://sync.v5prebid.datablocks.net/s2ssync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Ddatablocks%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7Buid%7D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderEmxDigital, "https://cs.emxdgt.com/um?ssp=pbs&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redirect="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Demx_digital%26uid%3D%24UID")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderEngageBDR, "https://match.bnmla.com/usersync/s2s_sync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dengagebdr%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUUID%7D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderEPlanning, "https://ads.us.e-planning.net/uspd/1/?du=https%3A%2F%2Fads.us.e-planning.net%2Fgetuid%2F1%2F5a1ad71d2d53a0f5%3F"+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Deplanning%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
 	// openrtb_ext.BidderFacebook doesn't have a good default.
 	// openrtb_ext.BidderGamma doesn't have a good default.
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderGamoshi, "https://rtb.gamoshi.io/user_sync_prebid?gdpr={{.GDPR}}&consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&rurl="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dgamoshi%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%5Bgusr%5D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderGrid, "https://x.bidswitch.net/check_uuid/"+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dgrid%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BBSW_UUID%7D?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderGumGum, "https://rtb.gumgum.com/usync/prbds2s?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dgumgum%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderImprovedigital, "https://ad.360yield.com/server_match?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dimprovedigital%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BPUB_USER_ID%7D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderGumGum, "https://rtb.gumgum.com/usync/prbds2s?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dgumgum%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderImprovedigital, "https://ad.360yield.com/server_match?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dimprovedigital%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7BPUB_USER_ID%7D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderIx, "https://ssum.casalemedia.com/usermatchredir?s=184932&cb="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dix%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderLifestreet, "https://ads.lfstmedia.com/idsync/137062?synced=1&ttl=1s&rurl="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dlifestreet%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%24visitor_cookie%24%24")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderLockerDome, "https://lockerdome.com/usync/prebidserver?pid="+cfg.Adapters["lockerdome"].PlatformID+"&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redirect="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dlockerdome%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7B%7Buid%7D%7D")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderMarsmedia, "https://dmp.rtbsrv.com/dmp/profiles/cm?p_id=179&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redirect="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dmarsmedia%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUUID%7D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderLockerDome, "https://lockerdome.com/usync/prebidserver?pid="+cfg.Adapters["lockerdome"].PlatformID+"&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redirect="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dlockerdome%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7B%7Buid%7D%7D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderMarsmedia, "https://dmp.rtbsrv.com/dmp/profiles/cm?p_id=179&gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redirect="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dmarsmedia%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUUID%7D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderMgid, "https://cm.mgid.com/m?cdsp=363893&adu="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dmgid%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%7Bmuidn%7D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderOpenx, "https://rtb.openx.net/sync/prebid?r="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dopenx%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUID%7D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderPubmatic, "https://ads.pubmatic.com/AdServer/js/user_sync.html?predirect="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dpubmatic%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderPulsepoint, "https://bh.contextweb.com/rtset?pid=561205&ev=1&rurl="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dpulsepoint%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%25%25VGUID%25%25")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderRhythmone, "https://sync.1rx.io/usersync2/rmphb?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Drhythmone%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%5BRX_UUID%5D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderRhythmone, "https://sync.1rx.io/usersync2/rmphb?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Drhythmone%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%5BRX_UUID%5D")
 	// openrtb_ext.BidderRTBHouse doesn't have a good default.
 	// openrtb_ext.BidderRubicon doesn't have a good default.
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderSharethrough, "https://match.sharethrough.com/FGMrCMMc/v1?redirectUri="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dsharethrough%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
@@ -523,12 +523,12 @@ func (cfg *Configuration) setDerivedDefaults() {
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderSovrn, "https://ap.lijit.com/pixel?redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dsovrn%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
 	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderSynacormedia, "https://sync.technoratimedia.com/services?srv=cs&pid=70&cb="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dsynacormedia%26uid%3D%5BUSER_ID%5D")
 	// openrtb_ext.BidderTappx doesn't have a good default.
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderTriplelift, "https://eb2.3lift.com/getuid?gpdr={{.GDPR}}&cmp_cs={{.GDPRConsent}}&redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dtriplelift%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderTripleliftNative, "https://eb2.3lift.com/sync?gpdr={{.GDPR}}&cmp_cs={{.GDPRConsent}}")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderUnruly, "https://usermatch.targeting.unrulymedia.com/pbsync?gdpr={{.GDPR}}&consent={{.GDPRConsent}}&rurl="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dunruly%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderVisx, "https://t.visx.net/s2s_sync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dvisx%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUUID%7D")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderTriplelift, "https://eb2.3lift.com/getuid?gpdr={{.GDPR}}&cmp_cs={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dtriplelift%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderTripleliftNative, "https://eb2.3lift.com/sync?gpdr={{.GDPR}}&cmp_cs={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dtriplelift_native%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderUnruly, "https://usermatch.targeting.unrulymedia.com/pbsync?gdpr={{.GDPR}}&consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&rurl="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dunruly%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderVisx, "https://t.visx.net/s2s_sync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redir="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dvisx%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24%7BUUID%7D")
 	// openrtb_ext.BidderVrtcal doesn't have a good default.
-	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderYieldmo, "https://ads.yieldmo.com/pbsync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redirectUri="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dyieldmo%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
+	setDefaultUsersync(cfg.Adapters, openrtb_ext.BidderYieldmo, "https://ads.yieldmo.com/pbsync?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redirectUri="+url.QueryEscape(externalURL)+"%2Fsetuid%3Fbidder%3Dyieldmo%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%24UID")
 }
 
 func setDefaultUsersync(m map[string]Adapter, bidder openrtb_ext.BidderName, defaultValue string) {
diff --git a/config/config_test.go b/config/config_test.go
index 24008980a86..182a46eef50 100644
--- a/config/config_test.go
+++ b/config/config_test.go
@@ -272,7 +272,7 @@ func TestFullConfig(t *testing.T) {
 	cmpStrings(t, "adapters.brightroll.usersync_url", cfg.Adapters[string(openrtb_ext.BidderBrightroll)].UserSyncURL, "http://test-bh.ybp.yahoo.com/sync/appnexuspbs?gdpr={{.GDPR}}&euconsent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&url=%s")
 	cmpStrings(t, "adapters.adkerneladn.usersync_url", cfg.Adapters[strings.ToLower(string(openrtb_ext.BidderAdkernelAdn))].UserSyncURL, "https://tag.adkernel.com/syncr?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&r=")
 	cmpStrings(t, "adapters.rhythmone.endpoint", cfg.Adapters[string(openrtb_ext.BidderRhythmone)].Endpoint, "http://tag.1rx.io/rmp")
-	cmpStrings(t, "adapters.rhythmone.usersync_url", cfg.Adapters[string(openrtb_ext.BidderRhythmone)].UserSyncURL, "https://sync.1rx.io/usersync2/rmphb?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&redir=http%3A%2F%2Fprebid-server.prebid.org%2F%2Fsetuid%3Fbidder%3Drhythmone%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%5BRX_UUID%5D")
+	cmpStrings(t, "adapters.rhythmone.usersync_url", cfg.Adapters[string(openrtb_ext.BidderRhythmone)].UserSyncURL, "https://sync.1rx.io/usersync2/rmphb?gdpr={{.GDPR}}&gdpr_consent={{.GDPRConsent}}&us_privacy={{.USPrivacy}}&redir=http%3A%2F%2Fprebid-server.prebid.org%2F%2Fsetuid%3Fbidder%3Drhythmone%26gdpr%3D{{.GDPR}}%26gdpr_consent%3D{{.GDPRConsent}}%26uid%3D%5BRX_UUID%5D")
 	cmpBools(t, "account_required", cfg.AccountRequired, true)
 	cmpBools(t, "account_adapter_details", cfg.Metrics.Disabled.AccountAdapterDetails, true)
 	cmpStrings(t, "certificates_file", cfg.PemCertsFile, "/etc/ssl/cert.pem")