88.—(1) Service of a notice or other document under this Act may be effected by post and, if so effected, shall be by registered post.
(2) Any notice or other document required or authorised by this Act to be served by a lessee on his lessor may be so served by sending it by registered post addressed to the person to whom the lessee pays the rent of the premises to which the notice or document relates at the place at or to which he pays or sends the rent.
(3) Any notice or other document required or authorised by this Act to be served on a lessee may be so served by sending it by registered post addressed to him at the premises to which the notice or document relates.
(4) Service of a notice or other document under this Act on behalf of a person shall be deemed, for the purposes of this Act, to be service of the notice or document by the person.