(1) An enforceable direction takes effect:
(a) on the day (if any) specified in the direction (which must not be earlier than the day on which a copy of the direction is given to the person to whom it applies); or
(b) if no day is specified--on the day on which a copy of the direction is given to the person to whom it applies.
(2) An enforceable direction continues in effect:
(a) for the period (if any) specified in the direction; or
(b) until set aside by the Federal Court under section 61ADF or revoked by the Minister under subsection 61ADA(5).