42 CFR § 137.121
What funds may be included in a stable base budget amount?
June 11, 2020
The stable base budget amount may include, at the option of the Self-Governance Tribe,
(a) Recurring funds available under section 106(a) of the Act [25 U.S.C. 450j-1] ;
(b) Recurring Tribal shares; and
(c) Any recurring funds for new or expanded PSFAs not previously assumed by the Self-Governance Tribe.