19 TRADE MARKS REGULATIONS, 1970 (L.I. 667) Regulation 47—Rectification of Certification Trade Mark Entries by the Minister. An application on any of the grounds mentioned in paragraph 4 of the First Schedule to the Act, made by an aggrieved person to the Minister for an order expunging or varying an entry in the register of or relating to certification trade mark, or varying the relevant deposited rules, shall be made on the prescribed form, and shall include full particulars of the grounds on which the application is made. Regulation 48—Alteration of Certification Trade Mark Rules. An application by the registered proprietor of a certification trade mark for an alteration of the deposited rules and the consent of the Minster thereto shall be made on the prescribed form. Where the Minister causes such an application to be advertised, the time within which any person may give notice to the Minister of opposition to the application shall be two months from the date of the advertisement. Regulation 49—Applications for Entry of Registered User. An application to the Registrar for the registration under section 28 of the Act of a person as a registered user of a registered trade mark shall be made by that person and the registered proprietor on the prescribed form. Regulation 50—Entry and Notification of Registered User. (1) The entry of a registered user in the register shall state the date on which the application for such entry was made, which date shall be deemed to be the date of registration as a registered user of the person mentioned in the entry. (2) The entry shall state the trade or business address of the registered user, and, if a written application by him for the inclusion of an address for service which is different therefrom has been approved, that address also. (3) Written notification of the registration of a registered user shall be sent to the registered proprietor of the trade mark, and to the said registered user, and shall be inserted in the Gazette. Regulation 51—Applications to Vary or Cancel Entry of Registered User. (1) An application by the registered proprietor of a trade mark for the variation of the registration of a registered user of that trade mark under paragraph (a) of section 28 (10) of the Act shall be made on the prescribed form, and shall be accompanied by a statement of the grounds on which it is made and, where the registered user in question consents, by the written consent of that registered user. (2) An application by the registered proprietor or any registered user of a trade mark for the cancellation of the registration of a registered user of that trade mark under