B-1.1, r. 3 - Safety Code

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359. A carbon monoxide alarm must be installed in every dwelling unit, residential occupancy for the elderly or residential board and care occupancy designed in compliance with Article 3.1.2.5. of NBC 1995 am. Québec or 2005 am. Québec that contains
(1)  a heating appliance; or
(2)  direct access to an indoor parking garage.
O.C. 1263-2012, s. 1.