25 C.F.R. § 111.4 Election of shareholders.
Title 25 - Indians
An Indian holding equal rights in two or more tribes can share in payments to only one of them and will be required to elect with which tribe he wishes to be enrolled and to relinquish in writing his claims to payments to the other. In the case of a minor the election will be made by the parent or guardian.
Title 25: Indians
PART 111—ANNUITY AND OTHER PER CAPITA PAYMENTS
§ 111.4 Election of shareholders.