Minn. Stat. § 626.8472: AUTOMATED LICENSE PLATE READER POLICY.

The chief law enforcement officer of every state and local law enforcement agency that maintains an automated license plate reader shall establish and enforce a written policy governing use of the reader. Use of an automated license plate reader without adoption of a written policy under this section is prohibited. At a minimum, the policies and procedures must incorporate the requirements of section 13.824, and the employee discipline standards for unauthorized access to data contained in section 13.09.