CFR / 
Title 25
 / Part 170
 / 
Sec. 170.615 Can a tribe receive advance payments for non-construction activities?
Yes. BIA must make advance payments to a tribe for non-construction activities under 25 U.S.C. 450l for self-determination contracts on a quarterly, semiannual, lump-sum, or other basis proposed by a tribe and authorized by law.