Except—
(a) where express provision is otherwise made by this Act; or
(b) to the extent that a referee or tribunal specifies in an order under this part;an order takes effect when a copy of the order, certified by the referee to be a true copy, is served—
(c) where the order requires a person to do or refrain from doing a specified act—on that person; or
(d) in any other case—on the body corporate for the parcel to which the order relates.