Okla. Stat. tit. 2, § 1904
To obtain a permit from the Department, each applicant shall submit a copy of his valid federal permit, such application form as the Department may establish and the appropriate fee. This permit shall be conspicuously displayed in the producer's plant.
Laws 1980, SB 428, c. 2, § 4, emerg. eff. February 6, 1980.