The municipal governing body may receive funds for and participate in any federal program, and may cooperate with the United States Government and any agency or instrumentality thereof, in the manner authorized and provided by federal law and regulation. In doing so, a municipality may perform all necessary functions and take all necessary actions for accomplishing such federal purposes and programs, as agent of the federal government, notwithstanding any provisions of state law.
Okla. Stat. tit. 11, § 22-126