Dec. 8 has been determined as the effective date for the landmark pact between Turkey and Libya’s Government of National Accord (GNA) that sets out the countries’ Eastern Mediterranean maritime boundaries.

The decision was published in Turkey’s Official Gazette early Thursday.

The pact was signed on Nov. 27 and passed by Turkey’s parliament on Dec. 5. It went into effect on Dec. 7 in Turkey and on Dec. 8 in Libya after the two countries published it in their respective official gazettes.

The memorandum determining both countries’ marine jurisdictions rejects unilateral and illegal activities by other regional countries and

Read more: Turkish maritime pact with Libya effective as of Dec. 8