When a measure has been made a part of the Legislative Program or has been endorsed in principle , it shall remain so for a period of three (3) years from the date of its approval or endorsement unless it be removed from the Program prior to the end of said period by a majority vote of the delegates voting upon the question or by reason of its enactment into law.
Okla. Stat. tit. 5A , app 2 § 7