diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c5536bc..c3ef8c4c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -52,6 +52,8 @@ Here is a template for new release sections
 
 - Add mandatory fields to the json schema (Iron Badge) [(#160)](https://github.com/OpenEnergyPlatform/oemetadata/pull/160)
 
+- Add key copyrightStatement to sources [(#162)](https://github.com/OpenEnergyPlatform/oemetadata/pull/162)
+
 - Add key nullable to fields section (columns) [(#161)](https://github.com/OpenEnergyPlatform/oemetadata/pull/161)
 
 ### Changed
diff --git a/metadata/v200_draft/build_source/schemas/sources.json b/metadata/v200_draft/build_source/schemas/sources.json
index 06aa6186..d5ef5b65 100644
--- a/metadata/v200_draft/build_source/schemas/sources.json
+++ b/metadata/v200_draft/build_source/schemas/sources.json
@@ -97,6 +97,16 @@
                                     ],
                                     "badge": "Bronze",
                                     "title": "Attribution"
+                                },
+                                "copyrightStatement": {
+                                    "description": "A link or path that proves that the source or data has the appropriate license.",
+                                    "example": "https://www.marktstammdatenregister.de/MaStR/Startseite/Impressum",
+                                    "type": [
+                                        "string",
+                                        "null"
+                                    ],
+                                    "badge": "Bronze",
+                                    "title": "Copyright Statement"
                                 }
                             },
                             "badge": "Bronze",
diff --git a/metadata/v200_draft/metadata_key_description.md b/metadata/v200_draft/metadata_key_description.md
index 65b5c553..a8631423 100644
--- a/metadata/v200_draft/metadata_key_description.md
+++ b/metadata/v200_draft/metadata_key_description.md
@@ -92,6 +92,7 @@ The JSON format offers different formats:
 | 12.4.3 | path | A link to the license text. | https://opendatacommons.org/licenses/odbl/1-0/index.html |
 | 12.4.4 | instruction | A short description of rights and restrictions. The use of [tl;drLegal](https://tldrlegal.com/) is recommended. | You are free to share and change, but you must attribute, and share derivations under the same license. See https://tldrlegal.com/license/odc-open-database-license-(odbl) for further information. |
 | 12.4.5 | attribution | The copyright owner of the **source**. If attribution licenses are used, that name must be acknowledged. | © Intergovernmental Panel on Climate Change 2014 |
+| 12.4.6 | copyrightStatement | A link or path that proves that the source or data has the appropriate license. | https://www.marktstammdatenregister.de/MaStR/Startseite/Impressum |
 
 ### License Keys
 |#|Key |Description |Example |