(1)Any notice or other document required or authorised by or under this Act to be given to or served on any person shall be duly given or served if it is delivered to him, or left at his proper address, or sent to him by post in a registered letter.
(2)Any such document required or authorised to be given to or served on an incorporated company or body shall be duly given or served if given to or served on the secretary or clerk of the company or body.
(3)For the purposes of this section and of section twenty-six of the [52 & 53 Vict. c. 63.] Interpretation Act, 1889, the proper address of any person to or on whom any such document as aforesaid is to be given or served shall, in the case of the secretary or clerk of any incorporated company or body, be that of the registered or principal office of the company or body, and in any other case be the last known address of the person in question.
(4)Where any document is to be given to or served on a person as being the person having any interest in land, and it is not practicable after reasonable inquiry to ascertain his name or address, the document may be given or served by addressing it to him by the description of the person having that interest in the land (naming it), and delivering the document to some responsible person on the land or by affixing it, or a copy of it, to some conspicuous object on the land.