(1) The Minister may, in writing, revoke a permit if the permit holder, or any person acting on the permit holder's behalf:
(a) is convicted of an offence against this Act or the regulations made under this Act; or
(b) is convicted of an offence against the Customs (Prohibited Exports) Regulations so far as the exportation of a scheduled chemical is concerned; or
(c) is convicted of an offence against the Customs (Prohibited Imports) Regulations so far as the importation of a scheduled chemical is concerned; or
(d) contravenes a condition subject to which the permit is granted or renewed.
(2) Subsection (1) extends to a conviction or contravention because of an act to which subsection 5(1) refers.
(3) The Minister must revoke a permit granted if the permit holder asks the Minister, in writing, to do so.
(4) The revocation of a permit under this section takes effect:
(a) if the permit is revoked under subsection (1)--on the day on which the notice of the revocation is given to the holder of the permit under subsection 26(1) or such later day as is specified in the instrument of revocation; or
(b) if the permit is revoked under subsection (3)--on the day on which the instrument of revocation is made or on such later day as is specified in that instrument.