Minnesota Statutes Property and Property Interests (Ch. 500-515B) § 504B.135. Terminating tenancy at will

(a) A tenancy at will may be terminated by either party by giving notice in writing. The time of the notice must be at least as long as the interval between the time rent is due or three months, whichever is less.

(b) If a tenant neglects or refuses to pay rent due on a tenancy at will, the landlord may terminate the tenancy by giving the tenant 14 days notice to quit in writing.