25 CFR 5.3 : Indians (§ 1.1 To Parts 1201-1299) — (§ 1.1 To Appendix To Chapter I) — Bureau Of Indian Affairs, Department Of The Interior (§ 1.1 To Appendix To Chapter I) — Procedures And Practice (§ 1.1 To § 5.4) — Preference In Employment (§ 5.1 To § 5.4) — Application procedure for preference eligibility.

(a) Proof of eligibility must be submitted with the person's application for a position.

(b) In order for a person to be considered a preference eligible according to the standards of § 5.1, they must submit proof of membership, descendancy or degree of Indian ancestry as indicated on rolls or records acceptable to the Secretary.