All agreements of the character contemplated by La. Rev. Stat. 30:137 which have heretofore been entered into by the State Mineral and Energy Board are hereby ratified, confirmed, and validated; however, such agreements may be modified or amended in accordance with the terms of La. Rev. Stat. 30:137 to 141.

Acts 1963, No. 13, §3; Acts 2009, No. 196, §2, eff. July 1, 2009.