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Drugs, Alcohol and Smoking: Montana

Drugs, Alcohol and Smoking requirements for other states

Federal law and guidance on this subject should be reviewed together with this section.

Author: XpertHR Editorial Team


  • Employers in Montana may implement drug-free workplace policies. See Drugs and Alcohol.
  • Montana permits the use of medical and recreational marijuana. See Marijuana.
  • Employers may implement and enforce policies that prohibit the use, sale, possession, distribution, purchase and cultivation of drugs and alcohol in the workplace. See Drug and Alcohol Policies.
  • Employers that choose to implement a testing program and follow the provisions of the Montana Workforce Drug and Alcohol Testing Act may be protected from liability in certain civil actions. See Drug and Alcohol Testing.
  • The Montana Clean Indoor Act prohibits smoking in any enclosed public place, including workplaces. See Smoking.
  • "No Smoking" signs must be conspicuously posted at workplace entrances. See Postings.
  • Employers are not required to have a smoking policy but may implement one that prohibits smoking in the workplace. See Smoking Policies.