diff --git a/CODEOWNERS b/CODEOWNERS
deleted file mode 100644
index eac0c9f..0000000
--- a/CODEOWNERS
+++ /dev/null
@@ -1,4 +0,0 @@
-* patrick.koss@mail.schwarz
-* marius.galm@mail.schwarz
-* simon.stier@mail.schwarz
-* christopher.paul@mail.schwarz
diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..309a9bf
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,17 @@
+Apache 2.0 Licensed Notice
+
+The Initial Developer of some parts of this project, which are copied from, derived from, or
+inspired by https://github.com/stackitcloud/external-dns-stackit-webhook is STACKIT Cloud (Schwarz IT KG) (http://www.stackit.de/en).
+
+This product includes software modified by Selectel (https://selectel.com) at 2024 to work properly 
+with Selectel DNS API. All these files are located in the directories:
+- /cmd/
+- /internal/
+- /pkg/httpdefault/
+- /pkg/keystone/
+
+Other modifications were made due to repository and packages renaming and changes in documentation to accommodate Selectel DNS API.
+
+This modified software is distributed under the terms of the Apache License, Version 2.0. 
+The full text of the license may be found at https://www.apache.org/licenses/LICENSE-2.0.
+