and you must wear a helmet when on a Recreation Site or Trail, The Co's can enforce these regulations anywhere, does not need to be an RCMP member.
Safety helmet
7 (1)
A person must properly wear
(a)
a bicycle safety helmet, or
(b)
a motorcycle safety helmet
while operating, or riding as a passenger on, a bicycle or motorcycle in a recreation site or interpretive forest site or on a recreation trail.
(2)
The provisions of the Motor Vehicle Act and the regulations made under that Act, with respect to bicycle safety helmets and motorcycle safety helmets, apply for the purposes of subsection (1).
Also, the regulation is quite clear:
Helmets required for all-terrain vehicles, motorcycles and snowmobiles
21 (1)
Subject to subsection (3), a person must not use, operate or be a passenger on an all-terrain vehicle, motorcycle or snowmobile on Crown land or prescribed private land, unless the person wears an off-road vehicle safety helmet.
(2)
A person must not use or operate an all-terrain vehicle, motorcycle or snowmobile on Crown land or prescribed private land with a child as a passenger, unless the child wears an off-road vehicle safety helmet.
(3)
This section does not apply to a person who
(a)
practises the Sikh religion, and
(b)
has unshorn hair and habitually wears a turban composed of 5 or more square metres of cloth.