Minn. Stat. § 197.988: PURPLE HEART COUNTY; PURPLE HEART CITY.

A county or statutory or home rule charter city may by resolution designate the county or city as a Purple Heart County or Purple Heart City to honor United States military personnel who have received the Purple Heart. A Purple Heart city or county may designate a prominent parking space at city hall or the county government center as a "Reserved for a Purple Heart Recipient" parking space. A Purple Heart city or county may accept donations to pay for a sign that states that the city or county is a Purple Heart city or county, and to pay for a plaque to be displayed on public property. A Purple Heart city or county may honor Purple Heart recipients by resolution proclaiming August 7 as Purple Heart Day.