40. A certificate of competency, category 133, General exhaust system installer, issued under the Order respecting certificates of competency with respect to gas (R.R.Q., 1981, c. D-10, r. 2) and in force on 1 January 2008 is held to be, as of that date, a certificate of qualification in gas appliance techniques, Class 1 restricted to exhaust systems (TAG-1-L-SÉ) and is valid until the birthday of the holder in 2009.