An order or document that is required or permitted to be served on a person under this Order may be served on that person—
(a) personally;
(b) by delivering a copy at the usual or last known place of residence or business of that person to some person who apparently resides or is employed there and is apparently over the age of 16 years; or
(c) by sending a copy to the person
at the person's usual or last known place of residence or business by
registered post.