Minn. Stat. § 197.55

The governor of this state, or any other legal custodian of public buildings within the state, shall, when not inconsistent with the public interests, set aside any portion of the public buildings for the use and occupation as quarters and places for holding their stated or special meetings or assemblies, to any post, commandery, camp or association, local or state, of veterans of any war in which the United States has been engaged, which may be organized in the city, town, or county in which the building or buildings may be situated. Upon 20 days' written notice, duly served upon the proper officer or officers of any said organizations, by the governor or any other legal custodian, that the public buildings, rooms, or quarters are required for public use, the same shall be promptly and quietly vacated.