18 TRADE MARKS REGULATIONS, 1970 (L.I. 667) (3) Where application is made to enter a disclaimer or memorandum relating to a trade mark, the Registrar, before deciding upon such application, shall advertise the application in the Gazette in order to enable any person wishing to do so to state, within one month of the advertisement, any reasons in writing against the making of the entry of the disclaimer or memorandum. Regulation 45—Certificates of Validity to be Noted. (1) Where the Court has certified as provided in section 44 of the Act with regard to the validity of a trade mark, the registered proprietor thereof may request the Registrar in writing to add to the entry in the register a note that the certificate of validity has been granted in the course of the proceedings which shall be named in his request. (2) An office copy of the certificate shall be sent with the request, and the Registrar shall so note the register and publish the note in the Gazette. Regulation 46—Alteration of Registered Mark. (1) Where a person wishes to apply under section 35 of the Act that his registered trade mark may be added to or altered, he shall apply in writing on the prescribed form, and shall send to the Registrar four copies of the mark as it will appear when so added to or altered. (2) The Registrar shall consider the application and shall, if he thinks fit, advertise the application in the Gazette before deciding it. (3) Within two months from the date of such advertisement any person may give notice of opposition to the application in writing, accompanied by a duplicate of the notice, and may also send therewith a further statement of his objections in duplicate. (4) The Registrar shall send the duplicate notice, and the duplicate of any further statement of objections, to the applicant, and the provisions of regulations 16 to 22 shall apply mutatis mutandis to the further proceedings thereon. In any case of doubt any party may apply to the Registrar for directions. (5) If the Registrar decides to allow the application he shall add to or alter the mark in the register, and if the mark so added to or altered has not been advertised under this regulation, he shall advertise it in the Gazette and in any case shall insert in the Gazette a notification that the mark has been altered. (6) In connection with an application to alter a registered trade mark the Registrar may at any time call on the applicant to supply a printing block satisfactory to the Registrar and suitable for advertising the mark with the addition or alteration as aforesaid, if in the opinion of the Registrar an advertisement describing the addition or alteration in words would not be likely to be understood by persons interested in the matter.