25 U.S.C. § 1242
The Secretary of the Interior shall prepare a roll of all persons born on or prior to and living on , who are lineal descendants of members of the Pembina Band as it was constituted in 1863, except that persons in the following categories shall not be so enrolled: a. those who are not citizens of the United States; b. those who are members of the Red Lake Band of Chippewa Indians; and c. those who participated in the Mississippi, Pillager, and Lake Winnibigoshish Chippewa Band awards under the provisions of sections 594 and 594a of this title.