Yes, OMB Circular A-87 encourages agencies to test fee-for-service alternatives. If the parties agree to a fixed price, fee-for-service agreement, then they must use OMB Circular A-87 as a guide in determining the appropriate price (OMB circulars are available at http://www.whitehouse.gov/omb/ or see 5 CFR 1310.3 ). Where limited appropriated funds are available, negotiating the fixed cost option or another rate may facilitate reaching an agreement with that Tribe/Consortium.
25 C.F.R. § 1000.142