679. Disclaimers
If a trade mark contains parts not separately registered by the proprietor as trade marks, or if it contains matter common to the trade or otherwise of a non-distinctive character, the Registrar or the Crown Attorney or the Court, in deciding whether such trade mark shall be entered or shall remain upon the register, may require, as a condition of its being upon the register, that the proprietor shall disclaim any right to the exclusive use of any part or parts of such trade mark, or of all or any portion of such matter, to the exclusive use of which they hold him or her not to be entitled, or that he or she shall make such other disclaimer as they may consider needful for the purpose of defining his or her rights under such registration: Provided always that no disclaimer upon the register shall affect any rights of the proprietor of a trade mark except such as arise out of the registration of the trade mark in respect of which the disclaimer is made.