25 C.F.R. § 1000.171 When should a Tribe/Consortium submit a letter of interest?
Title 25 - Indians
A letter of interest may be submitted at any time. To meet the negotiation deadlines below, letters should be submitted to the appropriate non-BIA bureaus by March 1; letters should be submitted to BIA by April 1 for fiscal year Tribes/Consortia or May 1 for calendar year Tribes/Consortia.
Title 25: Indians
PART 1000—ANNUAL FUNDING AGREEMENTS UNDER THE TRIBAL SELF-GOVERNMENT ACT AMENDMENTS TO THE INDIAN SELF-DETERMINATION AND EDUCATION ACT
Subpart G—Negotiation Process for Annual Funding Agreements
Negotiation of Initial Annual Funding Agreements
§ 1000.171 When should a Tribe/Consortium submit a letter of interest?

