(a) A tribe may use 23 U.S.C. 204 IRR Program funds provided under a self-determination contract or self-governance agreement to meet matching or cost participation requirements for any Federal or non-Federal transit grant or program.
(b) BIA may use 23 U.S.C. 204 IRR Program funds to pay local matching funds for transit facilities and transit activities funded under 23 U.S.C. 104.