9 TRADE MARKS REGULATIONS, 1970 (L.I. 667) may, if he thinks fit, insert with the advertisement of the application a statement of the manner in which the several trade marks differ from one another. (4) The provisions of this regulation shall apply to advertisements under sections 18 (12), 35 (2) and 35 (3) of the Act. Regulation 15—Opposition to Registration. (1) The prescribed time for giving notice of opposition under section 18 (2) of the Act shall be two months. (2) If registration is opposed on the ground that the mark resembles marks already on the register, the numbers of such trade marks and the numbers of the Gazettes in which they have been advertised shall be set out. (3) The notice shall I-e accompanied by a copy which the Registrar shall forthwith send to the applicant. Regulation 16—Counter-statement. (1) The prescribed time for sending a counter-statement under section 18 (4) of the Act shall be two months. (2) The applicant shall set out what facts, if any, alleged in the notice of opposition he admits. (3) The counter-statement shall be accompanied by a copy which the Registrar shall forthwith send to the opponent. Regulation 17—Evidence in Opposition Proceedings. (1) Within one month from the receipt by the opponent of the copy of the counterstatement, either party may leave with the Registrar such evidence by way of statutory declaration as be may wish to adduce in support of his case, and any party so leaving evidence shall deliver to the other party a copy of such evidence. (2) Within one month from the receipt by one party of the copy of evidence from the other party, the first-named party may leave with the Registrar such evidence by way of statutory declaration as he may wish to adduce in reply, and shall deliver to the other party a copy of such evidence, which shall be confined to matters strictly in reply. (3) No further evidence shall be left on either side but, in any proceedings before the Registrar, he may at any time if he thinks fit give leave to either the applicant or the opponent to leave any evidence upon such terms as to costs or otherwise as he may think fit.