Ottawa By-law 2013-416, s. 47 — Property Standards By-law

1) The property shall be kept free of vermin at all times, and methods used for exterminating shall be in accordance with the provisions of the Pesticides Act, R.S.O. 1990, Chap. P.11, as amended, and all regulations enacted pursuant thereto. 2) Basement or cellar windows used or required for ventilation, and any other opening in a basement or cellar, including a floor drain that may permit the entry of vermin shall be screened with wire mesh, metal grill or other durable material which will effectively exclude vermin. BASEMENT FLOORS