diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
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+# Contributors to SLIM
+
+CONTRIBUTOR file should only contain list of copyright holder (i.e. employers of
+maintainers). All files that support comments should include standard header for
+the project. AGNTCY uses the following file header:
+
+Copyright AGNTCY Contributors (https://github.com/agntcy)
+SPDX-License-Identifier: Apache-2.0
+
+1. Cisco Systems Inc.
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