Home2017 Treaties and Agreements ...Multilateral (17-601) – Protocol Regarding North Atlantic Treaty Accession of Montenegro hide Multilateral (17-601) – Protocol Regarding North Atlantic Treaty Accession of Montenegro TIAS Office of Treaty Affairs June 1, 2017 Defense: North Atlantic Treaty: Accession of Montenegro Protocol signed at Brussels May 19, 2016; transmitted by the President of the United States of America to the Senate June 28, 2016 (Treaty Doc. 114-12, 114th Congress, 2nd Session); reported favorably by the Senate Committee on Foreign Relations January 11, 2017 (Senate Executive Report No. 115-1, 115th Congress, 1st Session); Advice and consent to ratification by the Senate March 28, 2017; Ratified by the President April 11, 2017; Ratification of the United States of America deposited April 21, 2017; entered into force June 1, 2017. Download attachment [389 KB] Tags Defense Multilateral North Atlantic Treaty Organization Treaties