§ 501. Acquisition of agricultural and grazing lands for Indians; title to lands; tax exemption

§ 502. Purchase of restricted Indian lands; preference to Secretary of the Interior; waiver of preference

§ 503. Organization of tribes or bands; constitution; charter; right to participate in revolving credit fund

§ 504. Cooperative associations; charter; purposes; voting rights

§ 505. Amendment or revocation of charters; suits by and against associations

§ 506. Loans to individuals and groups; appropriation

§ 507. Availability and allocation of funds; royalties from mineral deposits

§ 508. Application of provisions to Osage County

§ 509. Rules and regulations; repeals

§ 510. Payment of gross production taxes; method