diff --git a/modules/concertBidAdapter.js b/modules/concertBidAdapter.js
index 398248bfeab..fc6fc23c26d 100644
--- a/modules/concertBidAdapter.js
+++ b/modules/concertBidAdapter.js
@@ -1,6 +1,7 @@
 import { logWarn, logMessage, debugTurnedOn, generateUUID } from '../src/utils.js';
 import { registerBidder } from '../src/adapters/bidderFactory.js';
-import { getStorageManager } from '../src/storageManager.js'
+import { getStorageManager } from '../src/storageManager.js';
+import { hasPurpose1Consent } from '../src/utils/gpdr.js';
 
 const BIDDER_CODE = 'concert';
 const CONCERT_ENDPOINT = 'https://bids.concert.io';
@@ -45,7 +46,7 @@ export const spec = {
         uspConsent: bidderRequest.uspConsent,
         gdprConsent: bidderRequest.gdprConsent
       }
-    }
+    };
 
     payload.slots = validBidRequests.map(bidRequest => {
       let slot = {
@@ -57,8 +58,9 @@ export const spec = {
         slotType: bidRequest.params.slotType,
         adSlot: bidRequest.params.slot || bidRequest.adUnitCode,
         placementId: bidRequest.params.placementId || '',
-        site: bidRequest.params.site || bidderRequest.refererInfo.page
-      }
+        site: bidRequest.params.site || bidderRequest.refererInfo.page,
+        ref: bidderRequest.refererInfo.ref
+      };
 
       return slot;
     });
@@ -69,7 +71,7 @@ export const spec = {
       method: 'POST',
       url: `${CONCERT_ENDPOINT}/bids/prebid`,
       data: JSON.stringify(payload)
-    }
+    };
   },
   /**
    * Unpack the response from the server into a list of bids.
@@ -101,7 +103,7 @@ export const spec = {
         creativeId: bid.creativeId,
         netRevenue: bid.netRevenue,
         currency: bid.currency
-      }
+      };
     });
 
     if (debugTurnedOn() && serverBody.debug) {
@@ -122,7 +124,7 @@ export const spec = {
    * @return {UserSync[]} The user syncs which should be dropped.
    */
   getUserSyncs: function(syncOptions, serverResponses, gdprConsent, uspConsent) {
-    const syncs = []
+    const syncs = [];
     if (syncOptions.iframeEnabled && !hasOptedOutOfPersonalization()) {
       let params = [];
 
@@ -203,9 +205,14 @@ function hasOptedOutOfPersonalization() {
  * @param {BidderRequest} bidderRequest Object which contains any data consent signals
  */
 function consentAllowsPpid(bidderRequest) {
-  /* NOTE: We cannot easily test GDPR consent, without the
+  /* NOTE: We can't easily test GDPR consent, without the
    * `consent-string` npm module; so will have to rely on that
    * happening on the bid-server. */
-  return !(bidderRequest.uspConsent === 'string' &&
-           bidderRequest.uspConsent.toUpperCase().substring(0, 2) === '1YY')
+  const uspConsent = !(bidderRequest?.uspConsent === 'string' &&
+    bidderRequest?.uspConsent[0] === '1' &&
+    bidderRequest?.uspConsent[2].toUpperCase() === 'Y');
+
+  const gdprConsent = bidderRequest?.gdprConsent && hasPurpose1Consent(bidderRequest?.gdprConsent);
+
+  return (uspConsent || gdprConsent);
 }