21Conditions in respect of permits

#### 21 Conditions in respect of permits (1) The Minister may, when granting a permit or at any time while a permit is in force, impose conditions in respect of the permit and may, at any time, revoke, suspend or vary, or cancel a suspension of, a condition so imposed. (2) A condition imposed in respect of a permit, or a revocation, suspension or variation, or a cancellation of a suspension, of such a condition, takes effect when notice of the condition or of the revocation, suspension or variation or of the cancellation of the suspension is served on the holder of the permit or on such later date (if any) as is specified in the notice.