London : Règlement no PS-113, art. 76(1) — Traffic and Parking By-law

Where in a public parking lot or facility one or more parking spaces are intended for the sole use of a vehicle of a disabled person, the owner or operator of the public parking lot or facility shall identify each such parking space by erecting an official sign in such a manner that the official sign shall be clearly visible to the operator of any vehicle approaching or entering such parking space. The official sign shall be erected on a post secured in the ground or on a wall. The official sign shall be at the front of the parking space in the middle so that the sign is between 1.5 m and 2.0 m when measuring from the grade to the centre of the sign.