No motor vehicle shall be placed in taxicab service until it has been inspected and approved for use as a taxicab by the Commissioner of Motor Vehicles. No taxicab shall remain in service until it has been re-inspected every six months in accordance with the provisions of section 13b-99(b) of the Connecticut General Statutes and sections 13b-99-1 through 13b-99-8 of the Regulations of Connecticut State Agencies.
Conn. Agencies Regs. § 13b-96-48