Minn. Stat. § 357.13: POLICE OFFICERS, FEES IN STATE CASES; ADVANCE PAYMENT OF FEES TO PUBLIC OFFICIALS BY STATE OR COUNTY.

Subdivision 1. City police; witness fees.

No police officer of any city shall receive any witness fee in a suit or prosecution brought in the name of the state, but any county or city may reimburse the officer for expenses actually incurred.

Subd. 2. Advance payments.

Any law to the contrary notwithstanding the state of Minnesota or any county thereof shall not be obligated to make advance payment of fees, costs, or charges of any nature to any county or municipal official for services, acts, or duties to be rendered by that official.