Section 257.7a - "Commercial motor vehicle" defined(1) "Commercial motor vehicle" means a motor vehicle or combination of motor vehicles used in commerce to transport passengers or property if 1 or more of the following apply: (a) It is designed to transport 16 or more passengers, including the driver.(b) It has a gross vehicle weight rating or gross vehicle weight, whichever is greater, of 26,001 pounds or more.(c) It has a gross combination weight rating or gross combination weight, whichever is greater, of 26,001 pounds or more, inclusive of towed units with a gross vehicle weight rating or gross vehicle weight, whichever is greater, of more than 10,000 pounds.(d) A motor vehicle carrying hazardous material and on which is required to be posted a placard as defined and required under 49 CFR parts 100 to 199.(2) A commercial motor vehicle does not include a vehicle used exclusively to transport personal possessions or family members for nonbusiness purposes.Amended by 2015, Act 11,s 1, eff. 7/8/2015.Add. 1988, Act 346, Imd. Eff. 10/25/1988 ;--Am. 1989, Act 280, Imd. Eff. 12/26/1989 ;--Am. 1991, Act 100, Eff. 1/1/1993 ;--Am. 2002, Act 534, Eff. 10/1/2002.