(2) The determination may relate to a period before the making of the determination.
(3) The determination may be expressed to be subject to the person complying with specified conditions.
(4) The Secretary must give a copy of the determination to the person as soon as practicable after making the determination.
(5) A failure to comply with subsection (4) does not invalidate the determination.
(6) If:
(b) the person contravenes a condition;
(7) The Secretary may cancel or vary the determination by written notice to the person.