diff --git a/acceptance/tests/cloud/fakeserver_client.go b/acceptance/tests/cloud/fakeserver_client.go
index ec668d16e5..7cfe8e799d 100644
--- a/acceptance/tests/cloud/fakeserver_client.go
+++ b/acceptance/tests/cloud/fakeserver_client.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package cloud
 
 import (
diff --git a/acceptance/tests/cloud/metrics_validation.go b/acceptance/tests/cloud/metrics_validation.go
index 558ae54509..9288f6e615 100644
--- a/acceptance/tests/cloud/metrics_validation.go
+++ b/acceptance/tests/cloud/metrics_validation.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package cloud
 
 import (
diff --git a/acceptance/tests/fixtures/bases/sameness/override-ns/service-defaults.yaml b/acceptance/tests/fixtures/bases/sameness/override-ns/service-defaults.yaml
index f88d143728..87f6a71f32 100644
--- a/acceptance/tests/fixtures/bases/sameness/override-ns/service-defaults.yaml
+++ b/acceptance/tests/fixtures/bases/sameness/override-ns/service-defaults.yaml
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 apiVersion: consul.hashicorp.com/v1alpha1
 kind: ServiceDefaults
 metadata:
diff --git a/acceptance/tests/fixtures/bases/sameness/peering/mesh/mesh.yaml b/acceptance/tests/fixtures/bases/sameness/peering/mesh/mesh.yaml
index de84382d3e..2fb6a04bb6 100644
--- a/acceptance/tests/fixtures/bases/sameness/peering/mesh/mesh.yaml
+++ b/acceptance/tests/fixtures/bases/sameness/peering/mesh/mesh.yaml
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 apiVersion: consul.hashicorp.com/v1alpha1
 kind: Mesh
 metadata:
diff --git a/cli/cmd/proxy/stats/command.go b/cli/cmd/proxy/stats/command.go
index 5c2c5b1bea..ec46ec52bc 100644
--- a/cli/cmd/proxy/stats/command.go
+++ b/cli/cmd/proxy/stats/command.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package stats
 
 import (
diff --git a/cli/cmd/proxy/stats/command_test.go b/cli/cmd/proxy/stats/command_test.go
index a50b67c078..c223570a61 100644
--- a/cli/cmd/proxy/stats/command_test.go
+++ b/cli/cmd/proxy/stats/command_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package stats
 
 import (
diff --git a/control-plane/api-gateway/gatekeeper/deployment_test.go b/control-plane/api-gateway/gatekeeper/deployment_test.go
index 0e4c2f53f0..56a0fc8327 100644
--- a/control-plane/api-gateway/gatekeeper/deployment_test.go
+++ b/control-plane/api-gateway/gatekeeper/deployment_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package gatekeeper
 
 import (
diff --git a/control-plane/build-support/scripts/mod_tidy.sh b/control-plane/build-support/scripts/mod_tidy.sh
index 467ed55aa6..4a13437b24 100755
--- a/control-plane/build-support/scripts/mod_tidy.sh
+++ b/control-plane/build-support/scripts/mod_tidy.sh
@@ -1,4 +1,7 @@
 #!/bin/bash
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 
 CHECK=false
 
diff --git a/control-plane/consul/dynamic.go b/control-plane/consul/dynamic.go
index 36201701dd..55db841e58 100644
--- a/control-plane/consul/dynamic.go
+++ b/control-plane/consul/dynamic.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package consul
 
 import (
diff --git a/control-plane/consul/dynamic_test.go b/control-plane/consul/dynamic_test.go
index 8159b82d66..8a260cbdf0 100644
--- a/control-plane/consul/dynamic_test.go
+++ b/control-plane/consul/dynamic_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package consul
 
 import (
diff --git a/control-plane/controllers/finalizer_patch.go b/control-plane/controllers/finalizer_patch.go
index c0974edae0..5eec8d5d29 100644
--- a/control-plane/controllers/finalizer_patch.go
+++ b/control-plane/controllers/finalizer_patch.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package controllers
 
 import (
diff --git a/control-plane/controllers/finalizer_patch_test.go b/control-plane/controllers/finalizer_patch_test.go
index 290d9c6437..5b9e3350d1 100644
--- a/control-plane/controllers/finalizer_patch_test.go
+++ b/control-plane/controllers/finalizer_patch_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package controllers
 
 import (
diff --git a/control-plane/subcommand/server-acl-init/anonymous_token_test.go b/control-plane/subcommand/server-acl-init/anonymous_token_test.go
index 24549b36d5..06327c3a91 100644
--- a/control-plane/subcommand/server-acl-init/anonymous_token_test.go
+++ b/control-plane/subcommand/server-acl-init/anonymous_token_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package serveraclinit
 
 import (