Scientific and technical cooperation : protocol between the United States of America and the Republic of Korea extending and amending the Agreement of July 2, 1999, signed at Washington, February 3, 2023 ; entered into force February 16, 2023.
Protocol between the United States of America and the Republic of Korea extending and amending the Agreement of July 2, 1999, signed at Washington, February 3, 2023 ; entered into force February 16, 2023