No provision of this act is mandatory upon any city or town in Oklahoma, or the governing body thereof, in the acquisition, improvement, construction, operation, or maintenance of any municipally owned airport or air navigation facility; nor shall any provision of this act prevent or take away from any city or town governing board the authority to deal directly with any agency of the federal government in the matching of any funds made available by the federal government for acquisition, improvement, construction, operation, or maintenance of any such municipally owned airport or air navigation facility.
Laws 1963, c. 354, § 8, emerg. eff. June 22, 1963.