or limitations, if any, subject to which it has been accepted, to be advertised in the prescribed manner:
Provided that the Registrar may cause the application to be advertised before acceptance if it relates to a trade mark to which sub-section (1) of section 9 and subsections (1) and (2) of section II apply, or in any other case where it appears to him that it is expedient by reason of any exceptional circumstances so to do.
(a) an application has been advertised before acceptance under sub-section (1); or
(b) after advertisement of an application,—
(i) an error in the application has been corrected; or
(ii) the application has been permitted to be amended under section 22,
the Registrar may in his discretion cause the application to be advertised again or in any case falling under clause (b) may, instead of causing the application to be advertised again, notify in the prescribed manner the correction or amendment made in the application.
Opposition to registration 21. (1) Any person may, within three months from the date of the advertisement or registration re-advertisement of an application for registration or within such further period, not exceeding one month in the aggregate. as the Registrar, on application made to him in the prescribed manner and on payment of the prescribed fee, allows, give notice in writing in the prescribed manner to the Registrar, of opposition to the registration.
(2) The Registrar shall serve a copy of the notice on the applicant for registration and, within two months from the receipt by the applicant of such copy of the notice of opposition, the app1icant shall send to the Registrar in the prescribed manner a counter-statement of the grounds on which he relies for his application, and if he does not do so he shall be deemed to have abandoned his application.
(3) If the applicant sends such counter-statement, the Registrar shall serve a copy thereof on the person giving notice of opposition.
(4) Any evidence upon which the opponent and the applicant may rely shall be submitted in the prescribed manner and within the prescribed time to the Registrar, and the Registrar shall give an opportunity to them to be heard, if they so desire.
(5) The Registrar shall, after hearing the parties, if so required, and considering the evidence, decide whether and subject to what conditions or limitations, if any, the registration is to be permitted, and may take into account a ground of objection whether relied upon by the opponent or not.
(6) Where a person giving notice of opposition or an applicant sending a counter- statement after receipt of a copy of such notice neither resides nor carries on business in India, the Registrar may require him to give security for the, costs of proceedings before him, and in default of such security being duly given, may treat the opposition or application, as the case may he, as abandoned.
(7) The Registrar may, on request, permit correction of any error in, or any amendment of, a notice of opposition or a counter-statement on such terms as he thinks just.
Correction and amendment. 22. The Registrar may, on such terms as he thinks just, at any time, whether before amendment, or after acceptance of an application for registration under section 18, permit the correction of any error in or in connection with the application or permit a amendment of the application: