Okla. Stat. tit. 82, § 1609
Floodplain boards may enter into cooperative agreements pursuant to Sections 1001 et seq. of Title 74 of the Oklahoma Statutes, the "Interlocal Cooperation Act", for the delineation of floodplains and adoption of regulations within the floodplains.
Laws 1980, c. 179, § 9, emerg. eff. May 13, 1980.