For the purposes of this Part, the following terms shall have these meanings:
Group 1--allows an individual to conduct safety, diesel emissions, OBD II inspections, and low enhanced emissions inspections of motor vehicles that have a seating capacity, as indicated on the vehicle registration certificate, under 15 passengers, and motor vehicles and trailers that have a MGW, as indicated on the vehicle registration certificate, under 18,001 pounds, except: motorcycles; those motor vehicles and trailers that have a MGW, as indicated on the vehicle registration certificate, over 10,000 pounds and under 18,001 pounds, when the registrant requests a heavy vehicle inspection; and semi-trailers. The ability to perform OBD II inspections may also be dependent upon passing the applicable test in the CVIS.
Group 2--allows an individual to conduct safety and diesel emissions inspections of motor vehicles that have a seating capacity, as indicated on the vehicle registration certificate, over 14 passengers, motor vehicles and trailers that have a MGW, as indicated on the vehicle registration certificate, over 18,001 pounds, those motor vehicles and trailers that have a MGW, as indicated on the vehicle registration certificate, over 10,000 pounds and under 18,001 pounds, when the registrant requests a heavy vehicle inspection, and semi-trailers, except: motorcycles.
Group 3--allows an individual to conduct safety inspections of motorcycles.
N.Y. Comp. Codes R. & Regs. Tit. 15 § 79.1