Okla. Stat. tit. 40 § 551 : — LaborStandards for Workplace Drug and Alcohol Testing Act — Short Title TEXT PDF Sections 551 through 563 of this title shall be known and may be cited as the "Standards for Workplace Drug and Alcohol Testing Act". Okla. Stat. tit. 40, § 551 Added by Laws 1993, SB 143, c. 355, § 1, emerg. eff. 6/10/1993; Amended by Laws 2011, HB 2033, c. 180, §1, eff. 11/1/2011.