Artikel 4

1. The following security classifications of the Parties are equivalent and correspond to the security classification levels specified in their national legislation:
[tabel]
2. The Receiving Party shall mark all the Classified Information under this Agreement that it has received from the Providing Party with the security classification that corresponds to the security classification given by the Originating Party in accordance with the scheme contained in paragraph 1 of this article.
3. The Receiving Party shall not modify or revoke the security classification of received Classified Information under this Agreement without the written consent of the Originating Party.
4. The Originating Party shall ensure that the Receiving Party will be informed of any change in the security classification level of the Classified Information provided.