Subd. 1. Definition. Public buildings and property shall mean any structures or areas owned and operated by any governmental unit for the conduct of governmental functions, including, but not limited to, schools and libraries, parks, playgrounds, streets, holding ponds, city, county, state, or federal administrative offices; including similar facilities owned and operated by private, but non-profit, religious, or charitable organizations.
Subd. 2. Trespass. It shall be unlawful for any person to remain in a public building or upon the grounds thereof after being requested to leave the premises by persons lawfully responsible for the control and maintenance thereof, when the continued presence of any person shall injure or endanger the safety of the buildings, or unreasonably interfere with the administration thereof.
Subd. 3. Interference. It shall be unlawful for any person to willfully harass, disrupt, interfere with, or obstruct any public or governmental business or function being conducted within or upon the premises or grounds of any public building.
Subd. 4. Damage. Any person who willfully or negligently acts or fails to exercise due care any by that act damages any public property or building shall be liable for the amount of damage caused.