Michigan Compiled Laws, Chapter 257. Motor Vehicles § 257.1849

Sec. 49. (1) A person, whether or not licensed under the Michigan vehicle code, 1949 PA 300, MCL 257.1 to 257.923, who is 17 years of age or less shall not drive a school bus.

(2) A person shall not operate a school bus unless that person possesses a valid chauffeur's license, the appropriate vehicle group designation, a passenger vehicle indorsement, and a school bus indorsement as required under section 312e of the Michigan vehicle code, 1949 PA 300, MCL 257.312e. A person with a commercial driver license shall not operate a school bus, and a school, school bus owner, or lessee shall not allow a person with a commercial driver license to operate a school bus, unless the operation is in compliance with the drug and alcohol testing regulations under 49 CFR parts 40 and 382.

(3) A person shall not operate a school bus or a school administrator or a person or entity under contract with a school to provide pupil transportation services shall not knowingly permit a person to operate a school bus for the transportation of pupils to and from school or school-related events if that person has 7 or more penalty points for moving violations on his or her driving record under section 320a of the Michigan vehicle code, 1949 PA 300, MCL 257.320a, or if the person has a restricted license due to a conviction for a violation of section 625 of the Michigan vehicle code, 1949 PA 300, MCL 257.625.

(4) A commercial driver license skills test shall be administered by a state authorized commercial driver license examiner to a school bus driver who has had 1 or more of the following: