Section 821, act Aug. 2, 1956, ch. 881, 1, 70 Stat. 937, set out purpose of sections 821 to 826 of this title as termination of Federal supervision and services for tribe. Section 822, act Aug. 2, 1956, ch. 881, 2, 70 Stat. 937, related to removal of restrictions on sales or encumbrances and nature of title passed. Section 823, act Aug. 2, 1956, ch. 881, 3, 70 Stat. 937, related to termination of Federal trust and services. Section 824, act Aug. 2, 1956, ch. 881, 4, 70 Stat. 937, provided for revocation of tribal corporate charter and termination of Federal powers over tribe. Section 825, act Aug. 2, 1956, ch. 881, 5, 70 Stat. 938, provided for termination of supervision as not affecting prior claims filed by tribe against United States. Section 826, act Aug. 2, 1956, ch. 881, 6, 70 Stat. 938, related to preparation and publication of membership roll.