diff --git a/tools/generator-go-sdk/internal/generator/templater_predicates.go b/tools/generator-go-sdk/internal/generator/templater_predicates.go
index 4e6a161cc36..dc9b552b872 100644
--- a/tools/generator-go-sdk/internal/generator/templater_predicates.go
+++ b/tools/generator-go-sdk/internal/generator/templater_predicates.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package generator
 
 import (
diff --git a/tools/importer-msgraph-metadata/components/normalize/cleanname.go b/tools/importer-msgraph-metadata/components/normalize/cleanname.go
index 676d3b2253c..df9635fce35 100644
--- a/tools/importer-msgraph-metadata/components/normalize/cleanname.go
+++ b/tools/importer-msgraph-metadata/components/normalize/cleanname.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package normalize
 
 import (
diff --git a/tools/importer-msgraph-metadata/components/normalize/cleanname_test.go b/tools/importer-msgraph-metadata/components/normalize/cleanname_test.go
index 9419ef22bf8..5d4b96fd504 100644
--- a/tools/importer-msgraph-metadata/components/normalize/cleanname_test.go
+++ b/tools/importer-msgraph-metadata/components/normalize/cleanname_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package normalize
 
 import "testing"
diff --git a/tools/importer-msgraph-metadata/components/normalize/duplicates_test.go b/tools/importer-msgraph-metadata/components/normalize/duplicates_test.go
index 673b2521df9..e6902024059 100644
--- a/tools/importer-msgraph-metadata/components/normalize/duplicates_test.go
+++ b/tools/importer-msgraph-metadata/components/normalize/duplicates_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package normalize
 
 import (
diff --git a/tools/importer-msgraph-metadata/components/normalize/plurals.go b/tools/importer-msgraph-metadata/components/normalize/plurals.go
index 82ec429f0fc..fc1a0b1cde5 100644
--- a/tools/importer-msgraph-metadata/components/normalize/plurals.go
+++ b/tools/importer-msgraph-metadata/components/normalize/plurals.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package normalize
 
 import (
diff --git a/tools/importer-msgraph-metadata/components/normalize/plurals_test.go b/tools/importer-msgraph-metadata/components/normalize/plurals_test.go
index b8c261d718a..5e912a20c33 100644
--- a/tools/importer-msgraph-metadata/components/normalize/plurals_test.go
+++ b/tools/importer-msgraph-metadata/components/normalize/plurals_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package normalize
 
 import "testing"
diff --git a/tools/importer-msgraph-metadata/components/normalize/verbs.go b/tools/importer-msgraph-metadata/components/normalize/verbs.go
index 8b622fc429b..eb4817ac3c6 100644
--- a/tools/importer-msgraph-metadata/components/normalize/verbs.go
+++ b/tools/importer-msgraph-metadata/components/normalize/verbs.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package normalize
 
 import (
diff --git a/tools/importer-msgraph-metadata/components/normalize/verbs_test.go b/tools/importer-msgraph-metadata/components/normalize/verbs_test.go
index de3061ce1cb..c089db59434 100644
--- a/tools/importer-msgraph-metadata/components/normalize/verbs_test.go
+++ b/tools/importer-msgraph-metadata/components/normalize/verbs_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package normalize
 
 import (
diff --git a/tools/importer-msgraph-metadata/components/parser/resourceids_test.go b/tools/importer-msgraph-metadata/components/parser/resourceids_test.go
index 63902910a0c..1728f21d2a2 100644
--- a/tools/importer-msgraph-metadata/components/parser/resourceids_test.go
+++ b/tools/importer-msgraph-metadata/components/parser/resourceids_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package parser
 
 import (