Okla. Stat. tit. 45, § 5
Certifications required by this title shall be issued under the signature and seal of the Oklahoma Mining Commission. Such certificates shall bear the date of issuance, full name and age of the recipient and shall designate the position for which the recipient is certified by the Commission. Applications for certificates of competency shall be accompanied with the following fees:
Laws 1929, HB 279, c. 251, p. 323, art. 1, § 5, emerg. eff. July 16, 1929; Amended by Laws 1949, HB 390, p. 293, § 5, emerg. eff. June 9, 1949; Amended by Laws 1982, SB 609, c. 296, § 9; Amended by Laws 1985, c. 239, § 7, eff. January 1, 1986.