(1)  A relevant decision-maker may, at any time, vary a group permit by written notification.

(2)  A variation of a group permit under subsection (1) may be made –

(a) on the relevant decision-maker's own initiative; or

(b) at the written request of a person.

(3)  A variation of a group permit under subsection (1) may include, but is not limited to –

(a) the imposition of a new condition on the permit; or

(b) the extension of the duration of the permit; or

(c) the substitution or amendment of a condition on the permit; or

(d) the removal of a condition from the permit.