diff --git a/config/config-package.py b/config/config-package.py
index 739f3e9..cc1dff3 100755
--- a/config/config-package.py
+++ b/config/config-package.py
@@ -1,3 +1,15 @@
+##############################################################################
+#
+# Copyright (c) 2019 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
 #!/usr/bin/env python3
 from functools import cached_property
 from shared.call import abort
diff --git a/config/drop-legacy-python.py b/config/drop-legacy-python.py
index aec2cc6..1d3ae3a 100644
--- a/config/drop-legacy-python.py
+++ b/config/drop-legacy-python.py
@@ -1,3 +1,15 @@
+##############################################################################
+#
+# Copyright (c) 2022 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
 #!/usr/bin/env', 'python3
 from shared.call import call
 from shared.call import wait_for_accept
diff --git a/config/meta-cfg-to-toml.py b/config/meta-cfg-to-toml.py
index 1955b32..a8d7254 100644
--- a/config/meta-cfg-to-toml.py
+++ b/config/meta-cfg-to-toml.py
@@ -1,3 +1,15 @@
+##############################################################################
+#
+# Copyright (c) 2020 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
 #!/usr/bin/env python3
 from configparser import ConfigParser
 from shared.call import call
diff --git a/config/multi-call.py b/config/multi-call.py
index 0253135..b4f8566 100644
--- a/config/multi-call.py
+++ b/config/multi-call.py
@@ -1,3 +1,15 @@
+##############################################################################
+#
+# Copyright (c) 2020 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
 #!/usr/bin/env python3
 from shared.call import call
 from shared.packages import list_packages
diff --git a/config/re-enable-actions.py b/config/re-enable-actions.py
index be09079..a350d2d 100644
--- a/config/re-enable-actions.py
+++ b/config/re-enable-actions.py
@@ -1,3 +1,15 @@
+##############################################################################
+#
+# Copyright (c) 2021 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
 #!/bin/env python3
 from shared.call import call
 from shared.packages import list_packages
diff --git a/config/shared/call.py b/config/shared/call.py
index 0b18ae7..fd16b5c 100644
--- a/config/shared/call.py
+++ b/config/shared/call.py
@@ -1,3 +1,15 @@
+##############################################################################
+#
+# Copyright (c) 2020 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
 import subprocess
 import sys
 
diff --git a/config/shared/git.py b/config/shared/git.py
index 2cd648f..88f8c1d 100644
--- a/config/shared/git.py
+++ b/config/shared/git.py
@@ -1,3 +1,15 @@
+##############################################################################
+#
+# Copyright (c) 2022 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
 from .call import call
 from .path import change_dir
 import pathlib
diff --git a/config/shared/packages.py b/config/shared/packages.py
index 83b1dcf..5dee802 100644
--- a/config/shared/packages.py
+++ b/config/shared/packages.py
@@ -1,3 +1,15 @@
+##############################################################################
+#
+# Copyright (c) 2021 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
 import pathlib
 
 
diff --git a/config/shared/path.py b/config/shared/path.py
index 42a81c3..a1f83c7 100644
--- a/config/shared/path.py
+++ b/config/shared/path.py
@@ -1,3 +1,15 @@
+##############################################################################
+#
+# Copyright (c) 2020 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
 import argparse
 import contextlib
 import os
diff --git a/config/shared/toml_encoder.py b/config/shared/toml_encoder.py
index a75b72c..e84625f 100644
--- a/config/shared/toml_encoder.py
+++ b/config/shared/toml_encoder.py
@@ -1,3 +1,15 @@
+##############################################################################
+#
+# Copyright (c) 2020 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
 import toml