25 C.F.R. § 152.7 Application for certificate of competency.
Title 25 - Indians
Any Indian 21 years old or over, except certain adult members of the Osage Tribe as provided in §152.9, who holds land or an interest therein under a restricted fee patent may apply for a certificate of competency. The written application shall be made in the form approved by the Secretary and filed with the agency having immediate jurisdiction over the land.
Title 25: Indians
PART 152—ISSUANCE OF PATENTS IN FEE, CERTIFICATES OF COMPETENCY, REMOVAL OF RESTRICTIONS, AND SALE OF CERTAIN INDIAN LANDS
Issuing Patents in Fee, Certificates of Competency or Orders Removing Restrictions
§ 152.7 Application for certificate of competency.