Minn. Stat. § 169.449: SCHOOL BUS OPERATION.

Subdivision 1. Rules.

The commissioner of public safety shall adopt rules governing the operation of school buses used for transportation of school children, when owned or operated by a school or privately owned and operated under a contract with a school. Each school, its officers and employees, and each person employed under the contract is subject to these rules.

Subd. 2. Enforcement.

The operation of a school bus on the public streets or highways in violation of rules concerning the operation of school buses adopted by the commissioner under subdivision 1 is a misdemeanor. The State Patrol shall enforce rules adopted under subdivision 1 when a school bus is operated on a public street or highway.