4. For work on gas piping and work on the combustion devices of gas apparatus, the holder of a Class 1 to Class 4 certificate of qualification in gas appliance techniques or the holder of a certificate of qualification in receptacle installation techniques issued under the Regulation respecting certificates of qualification and apprenticeship regarding gas, stationary engines and pressure vessels (chapter F-5, r. 2), need not obtain a certificate in pipe fitting or refrigeration systems.
O.C. 279-2006, s. 4; O.C. 549-2014, s. 2.