(1) If the international registration is to be effected on the basis of a trade mark entered in the Register, and if the application for international registration has been filed prior to the entry of the trade mark in the Register, the national fee in accordance with the Patent Costs Act for the international registration shall become due on the date of registration.
(2) The national fee in accordance with the Patent Costs Act for the international registration shall be payable within one month after it becomes due. The due date is determined in accordance with section 3 (1) of the Patent Costs Act or in accordance with subsection (1).