Service of notices
72.—(1)  Any notice required or authorised by this Act to be served shall be in writing.
(2)  Any notice required or authorised by this Act to be served on a lessee or mortgagor shall be sufficient, although only addressed to the lessee or mortgagor by that designation, without his name, or generally to the persons interested, without any name, and notwithstanding that any person to be affected by the notice is absent, or under disability, or unborn, or unascertained.
(3)  Any notice required or authorised by this Act to be served shall be sufficiently served if it is left at the last known place of abode or business in Singapore of the lessee, lessor, mortgagee, mortgagor or other person to be served, or, in case of a notice required or authorised to be served on a lessee or mortgagor, is affixed or left for him on the land or any house or building comprised in the lease or mortgage.
(4)  Any notice required or authorised by this Act to be served shall also be sufficiently served if it is sent by post in a registered letter addressed to the lessee, lessor, mortgagee, mortgagor or other person to be served, by name, at the aforesaid place of abode or business, or office, and if that letter is not returned through the post office undelivered; and that service shall be deemed to be made at the time at which the registered letter would in the ordinary course be delivered.
(5)  This section shall not apply to notices served in proceedings in the court.