London : Règlement no PS-113, art. 16.1(3) — Traffic and Parking By-law

A Residential Parking Pass is valid only:

• (a) during the period commencing from the effective date to and including the expiry date set out on its face;
• (b) if it is used in the zone set out on its face and in the locations set out in subsection 16.1(1) and corresponding to the zone set out in Column 5 of Schedule 6.1; and
• (c) if it is displayed hanging from the inside rear view mirror, with its face clearly visible from the front of the vehicle.