Minn. Stat. § 423.802
Subd. 1.
The members of the police department of each city of the second class which was so classified on December 31, 1979 shall organize a police relief association or maintain the relief association now existing.
Subd. 2.
This association shall create, maintain, and administer a police pension fund for the benefit of its members, their surviving spouses, and their surviving children.