Minn. Stat. § 426.13: ACCESS TO BOOKS, PAPERS.

For the purpose of fully complying with sections 426.11 to 426.13, the city comptroller, or any person the city comptroller may designate, shall have full and complete access to all books, papers, documents, statements, or accounts on file or of record with any of these boards or departments, at any and all times and any officer, agent, employee, or other person in charge of any board or department refusing the city comptroller full and complete access to all such books, papers, documents, statements, or accounts shall be guilty of a misdemeanor.