(1) Where, subsequent to the issue of a licence under section 14, there is a change in the circumstances contemplated by that section, the Minister may —
(a) alter the licence so as to exclude any of the agricultural inputs or articles in respect of which the change exists; or
(b) revoke the licence.
(2) A person shall be given notice of the intended alteration or revocation of an import licence at least 3 days before the alteration or revocation of his or her licence.
(3) Where a person is aggrieved by an alteration or revocation under subsection (1), that person may appeal the decision under section 22.