Section 44: Service of notices.

Any notice required by this Act to be served on any person shall be effectively served on him-(a) by delivering it to the person on whom it is to be served; or
(b) by leaving it at the usual or last known place of abode of that person; or
(c) by sending it in a prepaid registered letter addressed to that person at his usual or last known place of abode; or
(d) in the case of an incorporated company or body, by delivering it to the secretary or clerk of the company or body at its registered or principal office or sending it in a prepaid registered letter addressed to the secretary or clerk of the company or body at that office; or
(e) if it is not practicable after reasonable inquiry to ascertain the name or address of a holder or occupier of land on whom it should be served, by addressing it to him by the description of "holder" or "occupier" of the premises (naming them) to which it relates, and by delivering it to some person on the premises or, if there is no person on the premises to whom it can be delivered, by affixing it, or a copy of it, to some conspicuous part of the premises.