Here is the portion of the Canadian Regulations which relate to the Ebikes we sell:
power-assisted bicycle means a vehicle that:
(a) has steering handlebars and is equipped with pedals,
(b) is designed to travel on not more than three wheels in contact with the ground,
(c) is capable of being propelled by muscular power,
(d) has one or more electric motors that have, singly or in combination, the following characteristics:
(i) it has a total continuous power output rating, measured at the shaft of each motor, of 500 W or less,
(ii) if it is engaged by the use of muscular power, power assistance immediately ceases when the muscular power ceases,
(iii) if it is engaged by the use of an accelerator controller, power assistance immediately ceases when the brakes are applied, and
(iv) it is incapable of providing further assistance when the bicycle attains a speed of 32 km/h on level ground,
(e) bears a label that is permanently affixed by the manufacturer and appears in a conspicuous location stating, in both official languages, that the vehicle is a power-assisted bicycle as defined in this subsection, and
(f) has one of the following safety features,
(i) an enabling mechanism to turn the electric motor on and off that is separate from the accelerator controller and fitted in such a manner that it is operable by the driver, or
(ii) a mechanism that prevents the motor from being engaged before the bicycle attains a speed of 3 km/h; (bicyclette assistée)
Here is the portion of the Province of New Brunswick Regulations that pertain to the Ebikes we sell:
If the vehicle is able to powered by human force and has a motor equal to or less than 500W, and the motor is not capable of assisting when the vehicle is traveling at a speed greater than 32km/h then it can be considered a bicycle and all the requirements placed on bicyclists are applicable.