13 proposal by the Minister to impose conditions under this section. (4) The Minister may propose new or alternative conditions under this section only to the extent that is reasonable and justifiable in the circumstances that gave rise to the review. 20 Cancellation of registration (1) A registration may be cancelled(a) by the Minister, in terms of subsection (2) or (3); (b) voluntarily by the registrant, in terms of section 21; or (c) as a consequence of sequestration, winding- up or dissolution, in terms of section 22. (2) The Minister may cancel a registration if the registrant(a) becomes disqualified on any of the grounds set out in section 11 (2); (b) does not comply with a condition of registration; (c) repeatedly breaches the provisions of any legislation listed in section 19 (1), or repeatedly fails to meet a commitment contemplated in section 13 (1) (a) or (b); or (d) does not comply with the provisions of this Act. (3) In addition to the authority set out in subsection (2), the Minister may cancel the registration of a registrant if the registrant(a) has been served a compliance notice in terms of section 31, and(i) has failed to comply with it; or (ii) has not objected to the notice in terms of section 32; or (b) if it has objected(i) failed to comply with the order of the Minister given in terms of section 32 (2); or (ii) has not succeeded in any review or appeal against that order in terms of section 33. (4) If the Minister has cancelled a registration, the Minister must notify the former registrant in writing of(a) the cance llation; (b) the reasons for the cancellation; and (c) the date of cancellation. (5) If a registration is cancelled in terms of this section, section 21 or section 22, the Minister must(a) cancel the registration certificate; and (b) amend the register accordingly. (6) A registration is cancelled as of the date on which the Minister notifies the former registrant of the cancellation, which, in the case of a cancellation in terms of section 21, must be on the date specified by the registrant in the notice of voluntary cancellation. 21 Voluntary cancellation A registrant may cancel the registration by giving the Minister written notice in the prescribed manner and form(a) stating the person's intention to voluntarily cancel the registration and reasons for doing so; and (b) specifying a date, at least seven days after the date of the notice, on which