It is not a violation of this chapter for a person or other entity covered by this chapter to adopt or administer reasonable policies or procedures, including but not limited to drug testing, designed to ensure that an individual described in subdivision (1) or (2) is no longer engaging in the illegal use of drugs. Nothing in this section shall be construed to encourage, prohibit, restrict, or authorize testing for the illegal use of drugs.
IC 22-9-5-6