Okla. Stat. tit. 80, § 13

When the State of Oklahoma receives written notice from the duly authorized official or agent of the United States of America that the United States of America desires or is willing to relinquish to the State of Oklahoma jurisdiction, or a portion thereof, over certain lands owned by the United States of America, the Governor may accept such relinquishment when deemed advisable. Upon such acceptance and approval by the Governor retrocession of jurisdiction shall become fully effective upon the filing of the original acceptance and/or approval with the Secretary of State of the State of Oklahoma. Laws 1975, c. 96, § 2. Renumbered from Title 64, § 162.4.