46.—(1) Provision may be made by rules as to—

( a ) the division of an application for the registration of a trade mark into several applications, each having the same filing date as the original application;

( b ) the merging of separate applications or registrations; and

( c ) the registration of a series of trade marks in one registration.

(2) A "series of trade marks" means a number of trade marks which resemble each other as to their material particulars and differ only in respect of matter of a non-distinctive character which does not substantially affect the identity of the trade mark.

Duration, Renewal and Alteration of Registered Trade Mark