Okla. Stat. tit. 40, § 564
On and after the effective date of this act no employer shall implement a drug or alcohol testing program subject to the provisions of this act unless the program is in compliance with the provisions of this act and the rules promulgated pursuant thereto. Provided, a drug or alcohol testing program subject to the provisions of this act which is in effect prior to the effective date of this act shall be in compliance with the provisions of this act and the rules promulgated pursuant thereto no later than July 1, 1994.
Added by Laws 1993, SB 143, c. 355, § 14, emerg. eff. June 10, 1993.