Okla. Stat. tit. 40, § 561
Drug or alcohol testing governed by the Standards for Workplace Drug and Alcohol Testing Act shall not be requested or required of an employee by an employer unless the employer provides an employee assistance program. For the purposes of this section, "employee assistance program" means an in-house or contracted program which at a minimum provides drug and alcohol dependency evaluation and referral services for substance abuse counseling, treatment or rehabilitation.
Added by Laws 1993, SB 143, c. 355, § 11, emerg. eff. June 10, 1993.