(a) This chapter applies to a drug-free workplace program implemented pursuant to rules adopted by the Director of the Workers' Health and Safety Division of the Workers' Compensation Commission.
(b) The application of the provisions of this chapter is subject to the provisions of any applicable collective bargaining agreement.
(c) Nothing in the program authorized by this chapter is intended to authorize any employer to test any applicant or employee for alcohol or drugs in any manner inconsistent with federal constitutional or statutory requirements, including those imposed by the Americans with Disabilities Act and the National Labor Relations Act.