B-1.1, r. 9 - Regulation respecting the professional qualification of contractors and owner-builders

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11. Related construction work authorized by a licence subclass in Schedule I, II or III must be carried out at the same time as work in that licence subclass.
The holder of a licence subclass may carry out construction work that is similar or related to work in the licence subclass, except work reserved exclusively for master pipe-mechanics and electrical contractors.
O.C. 314-2008, s. 11.