Okla. Stat. tit. 27A, § 3-3-408
None of the funds in the Small Watersheds Flood Control Fund shall be expended until eighty percent (80%) of the easements are obtained for the watershed project in which the money from the fund is to be used.
Laws 1971, SB 101, c. 346, § 15-705, emerg. eff. July 1, 1971; Renumbered from 82 O.S. § 1501-705 by Laws 1993, SB 361, c. 324, § 56, emerg. eff. July 1, 1993.