(1) If a manufacture permit is revoked under subsection 13B(2), the permit ceases to be in force on the day specified in the notice given under that subsection revoking the permit.
(2) If a manufacture permit is taken to be revoked under subsection 13B(4), the permit ceases to be in force at the time referred to in that subsection.
(3) If:
(a) a manufacture permit is surrendered in accordance with regulations made for the purposes of section 13D; and
(b) as a result of that surrender, the permit is to cease to be in force on a particular day, or at a particular time, under those regulations;
the permit ceases to be in force on that day, or at that time, unless it ceases to be in force under subsection (1) or (2) of this section on an earlier day or at an earlier time.
(4) If a manufacture permit specifies a period during which the permit is to remain in force, the permit ceases to be in force at the end of that period unless it ceases to be in force under subsection (1), (2) or (3) on an earlier day or at an earlier time.