103.-(1) Any document (including any summons or order) required or authorised to be served under this Law may be served-
(a) on any person by delivering it to him, or by leaving it at, or sending it by post to, his residence or place of business;
(b) on any firm to which the Partnership and Business Names Law applies by delivering it to any partner of the firm or by leaving it at, or sending it by post to, the office of the firm;
(c) on the owner or occupier of a factory (including any such owner or occupier being a company to which the Companies Law applies or a co-operative society to which the Co-operative Societies Law applies), in any such manner as aforesaid, or by delivering it, or a true copy thereof, to any person apparently not under the age of sixteen years at the factory.
(2) Any such document may be addressed for the purpose of the service thereof on the occupier of a factory to “the occupier” at the proper postal address of the factory, without further name or description.
(3) The foregoing provisions of this section shall apply, with the necessary modifications, to documents required or authorised under this Law to be sent to any person, firm, owner or occupier, and to the sending, addressing and delivery of such documents.