[FocusTunerzx3]

This is From the MVA in BC. So i dont know if it applies to your location but here it is anyways.
QUOTE
Turn Signal Devices
4.13
...
(2) A lamp type turn signal system must

a. have 2 lamps, mounted on the front of the vehicle, that are capable of displaying flashes of white or amber light which are visible to the front,

b. have 2 lamps, mounted on the rear of the vehicle, that are capable of displaying flashes of red or amber light which are visible to the rear,

c. be visible on each side of the vehicle at a distance of 100 m in normal sunlight at an angle of 45° from the longitudinal axis of the vehicle, and

d. include a tell-tale lamp which gives a clear indication that the system is activated
...