diff --git a/internal/provider/helpers.go b/internal/provider/helpers.go
index e0408ef898..04445848a8 100644
--- a/internal/provider/helpers.go
+++ b/internal/provider/helpers.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package provider
 
 import (
diff --git a/internal/services/applications/parse/api_access.go b/internal/services/applications/parse/api_access.go
index 472d128807..a7a19eb20f 100644
--- a/internal/services/applications/parse/api_access.go
+++ b/internal/services/applications/parse/api_access.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/applications/parse/app_role.go b/internal/services/applications/parse/app_role.go
index 1102061e56..c5be8c020c 100644
--- a/internal/services/applications/parse/app_role.go
+++ b/internal/services/applications/parse/app_role.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/applications/parse/application.go b/internal/services/applications/parse/application.go
index 783fb09f9f..a62fedadce 100644
--- a/internal/services/applications/parse/application.go
+++ b/internal/services/applications/parse/application.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/applications/parse/fallback_public_client.go b/internal/services/applications/parse/fallback_public_client.go
index 7b999739a3..d1258d1181 100644
--- a/internal/services/applications/parse/fallback_public_client.go
+++ b/internal/services/applications/parse/fallback_public_client.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/applications/parse/from_template.go b/internal/services/applications/parse/from_template.go
index a18b558d2b..4b0047e6ce 100644
--- a/internal/services/applications/parse/from_template.go
+++ b/internal/services/applications/parse/from_template.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/applications/parse/identifier_uri.go b/internal/services/applications/parse/identifier_uri.go
index 3ad269fc20..1f2568d5b6 100644
--- a/internal/services/applications/parse/identifier_uri.go
+++ b/internal/services/applications/parse/identifier_uri.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/applications/parse/known_clients.go b/internal/services/applications/parse/known_clients.go
index c360567982..9619dff74c 100644
--- a/internal/services/applications/parse/known_clients.go
+++ b/internal/services/applications/parse/known_clients.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/applications/parse/optional_claims.go b/internal/services/applications/parse/optional_claims.go
index 2bc7dffe2e..0d29ebe8d7 100644
--- a/internal/services/applications/parse/optional_claims.go
+++ b/internal/services/applications/parse/optional_claims.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/applications/parse/owner.go b/internal/services/applications/parse/owner.go
index 883b48f2c2..e29579fc3c 100644
--- a/internal/services/applications/parse/owner.go
+++ b/internal/services/applications/parse/owner.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/applications/parse/permission_scope.go b/internal/services/applications/parse/permission_scope.go
index 828d71b51b..dae95849ec 100644
--- a/internal/services/applications/parse/permission_scope.go
+++ b/internal/services/applications/parse/permission_scope.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/applications/parse/redirect_uris.go b/internal/services/applications/parse/redirect_uris.go
index c7fcaf00ab..b738951354 100644
--- a/internal/services/applications/parse/redirect_uris.go
+++ b/internal/services/applications/parse/redirect_uris.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/applications/parse/service_principal.go b/internal/services/applications/parse/service_principal.go
index a997773a96..d78517d817 100644
--- a/internal/services/applications/parse/service_principal.go
+++ b/internal/services/applications/parse/service_principal.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/directoryroles/directory_role_eligibility_schedule_request_resource.go b/internal/services/directoryroles/directory_role_eligibility_schedule_request_resource.go
index 220e0c7361..36538ad5b0 100644
--- a/internal/services/directoryroles/directory_role_eligibility_schedule_request_resource.go
+++ b/internal/services/directoryroles/directory_role_eligibility_schedule_request_resource.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package directoryroles
 
 import (
diff --git a/internal/services/directoryroles/directory_role_eligibility_schedule_request_resource_test.go b/internal/services/directoryroles/directory_role_eligibility_schedule_request_resource_test.go
index 99a014fae8..e4981be4d6 100644
--- a/internal/services/directoryroles/directory_role_eligibility_schedule_request_resource_test.go
+++ b/internal/services/directoryroles/directory_role_eligibility_schedule_request_resource_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package directoryroles_test
 
 import (
diff --git a/internal/services/directoryroles/parse/directory_role.go b/internal/services/directoryroles/parse/directory_role.go
index 75f1dd8de1..b092987724 100644
--- a/internal/services/directoryroles/parse/directory_role.go
+++ b/internal/services/directoryroles/parse/directory_role.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import "fmt"
diff --git a/internal/services/identitygovernance/helpers/test.go b/internal/services/identitygovernance/helpers/test.go
index 475817f1e3..e3c2a87272 100644
--- a/internal/services/identitygovernance/helpers/test.go
+++ b/internal/services/identitygovernance/helpers/test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package helpers
 
 import (
diff --git a/internal/services/identitygovernance/parse/privileged_access_group_schedule.go b/internal/services/identitygovernance/parse/privileged_access_group_schedule.go
index fce674c9c1..722057f91c 100644
--- a/internal/services/identitygovernance/parse/privileged_access_group_schedule.go
+++ b/internal/services/identitygovernance/parse/privileged_access_group_schedule.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/policies/parse/role_management_policy.go b/internal/services/policies/parse/role_management_policy.go
index 0c39de8d1c..15a1565c2e 100644
--- a/internal/services/policies/parse/role_management_policy.go
+++ b/internal/services/policies/parse/role_management_policy.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/policies/parse/role_management_policy_assignment.go b/internal/services/policies/parse/role_management_policy_assignment.go
index 7422a5a8e0..b8156d55b1 100644
--- a/internal/services/policies/parse/role_management_policy_assignment.go
+++ b/internal/services/policies/parse/role_management_policy_assignment.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/services/policies/parse/role_management_policy_rule.go b/internal/services/policies/parse/role_management_policy_rule.go
index bc49c67d35..593505b29b 100644
--- a/internal/services/policies/parse/role_management_policy_rule.go
+++ b/internal/services/policies/parse/role_management_policy_rule.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parse
 
 import (
diff --git a/internal/tf/pluginsdk/diag.go b/internal/tf/pluginsdk/diag.go
index 2bcfd452df..00486bb1d6 100644
--- a/internal/tf/pluginsdk/diag.go
+++ b/internal/tf/pluginsdk/diag.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package pluginsdk
 
 import (
diff --git a/internal/tf/strings.go b/internal/tf/strings.go
index 66f7ff739e..0c2ae1db09 100644
--- a/internal/tf/strings.go
+++ b/internal/tf/strings.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tf
 
 import "github.com/manicminer/hamilton/msgraph"
diff --git a/internal/tf/validation/net.go b/internal/tf/validation/net.go
index ad722c9566..6333c89282 100644
--- a/internal/tf/validation/net.go
+++ b/internal/tf/validation/net.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package validation
 
 import (
diff --git a/internal/tf/validation/net_test.go b/internal/tf/validation/net_test.go
index a69838bc20..469f0f0ce3 100644
--- a/internal/tf/validation/net_test.go
+++ b/internal/tf/validation/net_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package validation
 
 import (