24 C.F.R. § 1003.5
(c) To apply for funding in a given fiscal year, an applicant must be eligible as an Indian tribe or Alaska native village, as provided in paragraph (a) of this section, or as a Tribal organization, as provided in paragraph (b) of this section, by the application submission date.
(Approved by the Office of Management and Budget under control number 2577-0191)