155Amendment and cancellation of exemptions and

155 Amendment and cancellation of exemptions and conditions (1) A competent authority that gives an exemption may cancel the exemption if the authority— (a) is satisfied on reasonable grounds that a condition of the exemption has not been complied with; or (b) is no longer satisfied on reasonable grounds about a matter mentioned in section 151 (2). (2) The competent authority may also— (a) amend or cancel a condition of the exemption; or (b) put a new condition on the exemption. (3) An exemption given to a person may only be amended or cancelled by written notice given to the person. (4) The amendment or cancellation takes effect when it is given to the person or, if a later day is stated in the notice, on the stated day.

(5) An exemption given to a class of people may only be amended or cancelled by written notice. (6) A notice mentioned in subsection (5) is a notifiable instrument.