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17. A request for an amendment of an application to correct an error or to change the name or address of the applicant or in respect of any amendment requested after publication of the application shall be made on Form TM21.
18.—(1) Where, pursuant to section 39, a request is made for amendment of an application which has been published and the amendment affects the representation of the trade mark or the goods or services covered by the application, the amendment or a statement of the effect of the amendment shall also be published.
(2) Notice of opposition to the amendment shall be filed on Form TM7 within one month of the date on which the application as amended was published under paragraph (1) above, and shall include a statement of the grounds of objection and, in particular, how the amendments would be contrary to section 39(2).
(3) The provisions of rule 13 shall apply to proceedings relating to the opposition to the amendment of the application as they apply to proceedings relating to opposition to the registration of a trade mark.