The Treaties with the Republic of Cuba and the Government of the United Mexican States on the Delimitation of Maritime Boundaries : message from the President of the United States transmitting the Treaty between the United States of America and the Republic of Cuba on the delimitation of the continental shelf in the Eastern Gulf of Mexico beyond 200 nautical miles, and the Treaty between the Government of the United States of America and the Government of the United Mexican States on the delimitation of the maritime boundary in the Eastern Gulf of Mexico, both of which were signed at Washington on January 18, 2017.