No you don’t need a RHD sticker… Only vehicles such as garbage truck and mail trucks do. It’s a little triangle sticker o something to that effect.
*Edit… found it
Vehicles with right hand drive
Every vehicle that is equipped with a right hand drive shall, unless it is equipped with a mechanical or electrical signal device as described in subsection 142 (6), have prominently displayed on the rear thereof, in bold face letters of not less than 50 millimetres in height and of a colour which is in contrast to that of the vehicle, the words,