Section 21 (to the extent to which it requires notification of the information referred to in section 84 ) and section 84 do not apply to the following food businesses:

(a) any food business that is not required by the Food Safety Standards to notify that information;

(b) any food business that is registered under this Act or under a law prescribed by the regulations;

(c) any food business that is prescribed by the regulations as being not required to notify that information.