(a) A grant, contract, or other agreement for emergency operations, emergency protective measures, emergency repairs, permanent repairs and resilience projects under 49 U.S.C. 5324 shall be for up to 80 percent of the net project cost.

(b) A grant made available under 49 U.S.C. 5307 or 49 U.S.C. 5311 to address an emergency shall be for up to 80 percent of the net project cost for capital projects, and up to 50 percent of the net project cost for operations projects.

(c) The FTA Administrator may waive, in whole or part, the non-Federal share required under paragraphs (a) and (b) of this section.