IPIN/lINGA/T/2 Page 19 Advertisement of series. 46. When an application relates to a series of trade marks differing from one another in respect of the particulars mentioned in section 25(1) of the Act, the applicant may be required to supply a printing block (or more than one if necessary) satisfactory to the Registrar of any or of each of the trade marks constituting the series; or the Registrar 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. Advertisement under section 21 or section 41. 47. Advertisements under sections 21(5), 41(2) and 41(4) of the Act shall, with the necessary modifications, be made in the same manner as advertisements relating to an application for registration. Opposition. Notice of opposition. Counterstatement. Opposition to Registration 48. Any person may within two months from the date of any advertisement in the Journal of an application for registration of a trade mark give notice on Form 6 to the Registrar of opposition to the registration. 49. The notice shall include a statement of the grounds upon which the opponent objects to the registration. 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 Journals in which they have been advertised shall be set out; and the notice shall be accompanied by an unstamped duplicate which the registrar will forthwith send to the applicant. 50. (1) Within one month from the receipt of such duplicate the applicant shall send to the Registrar a counterstatement on Form 7 setting out the grounds on which he relies as supporting his application. (2) The applicant shall also set out what facts, if any, alleged in the notice of opposition he admits; and the counterstatement shall be accompanied by an unstamped duplicate. 51. Upon receipt of the counter-statement and duplicate Evidence ill the Registrar will forthwith send the duplicate to the opponent ~~~~~it\~~. and within one month from the receipt of the duplicate the opponent shall leave with the Registrar such evidence by way of statutory declaration as he may desire to adduce in support of his opposition and shall deliver to the applicant a copy of such evidence.