The Secretary of the Interior shall approve no lease pursuant to sections 416 to 416j of this title that contains any provision that will prevent or delay a termination of Federal trust responsibilities with respect to the land during the term of the lease. ( Pub. L. 89–715, § 6 , Nov. 2, 1966 , 80 Stat. 1113 .) CFR Title Parts 30 203 , 1202 , 1203 , 1206 , 1207 , 1212 , 1218 , 1241 , 1243 38 200