Minnesota has broad protections for cannabis in general (namely, you can’t fire someone solely for having a positive drug test for THC) and has added a few details to its law. The changes took effect on May 24, 2025, a day after the governor signed the law.

Adverse Action (when legal) Requires an Explanation
If an employer is going to take adverse action based on an employee’s cannabis use (because they’d lose federal funding or violate the law if they didn’t), they need to provide 14 days’ written notice to that employee. The notice must cite the federal law that would be violated and specify the monetary or licensing benefit the employer would lose if no action was taken.

Tribal Program Patients Protected
The law already provided protection from discrimination for medical cannabis patients who are part of the registry program. It now offers that same protection for tribal medical cannabis program patients. A tribal medical cannabis program patient is a person with a valid registration verification card or equivalent issued under the laws of a Tribal Nation in Minnesot