SDCL § 34-20G-24: Cannabis at workplace--Drug-free policy permitted--Safe harbor.

No employer is required to allow the ingestion, possession, transfer, display, or transportation of cannabis in any workplace or to allow any employee to work while under the influence of cannabis.

No employer is prohibited from establishing and enforcing a drug-free workplace policy, which may include a drug testing program that complies with state and federal law, or acting with respect to an applicant or employee under the policy.

No cause of action is created for employment discrimination or wrongful termination arising from an employer's enforcement of a drug-free workplace policy in compliance with this chapter.