24 C.F.R. § 1000.42
Are the requirements of Section 3 of the Housing and Urban Development Act of 1968 applicable?
No. Recipients shall comply with Indian preference requirements of Section 7(b) of the Indian Self-Determination and Education Assistance Act (25 U.S.C. 5307(b)), or employment and contract preference laws adopted by the recipient's tribe in accordance with Section 101(k) of NAHASDA.