CFR /  Title 42  /  Part 137  /  Sec. 137.167 What cost principles must a Self-Governance Tribe follow

A Self-Governance Tribe must apply the cost principles of the applicable OMB circular, except as modified by:

(a) Section 106 (k) of the Act [25 U.S.C. 450j-1],

(b) Other provisions of law, or

(c) Any exemptions to applicable OMB circulars subsequently granted by the OMB.