No person shall remove or tamper with any safety appliances prescribed by Sections 29-232-1 to 29-232-116, inclusive, except for the purpose of making repairs. The repair of pressure relief valves shall only be performed by the manufacturer of the valve or an organization which is the holder of a certificate of authorization, issued by the National Board of Boiler and Pressure Vessel Inspectors, to use the VR (valve repair) stamp. Such repairs and adjustments shall be made in accordance with the National Board Administration Rules and Procedures Publication No. NB 23-R-2200 1995 Edition.
Conn. Agencies Regs. § 29-232-40