IP/N/l/NGA/T/2 Page 31 (3) Notification in writing of the registration of a registered user shall be sent to the registered proprietor of a trade mark, and to the said registered user, and shall be inserted in the Journal. Registered proprietors applica tion to vary entry, Application by registered proprietor or user to cancel entry. Application under section 34(5)(e) to cancel entry. Notification and hearing. 98. 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 section 34(5)(a) of the Act shall be made on Form 48 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. 99. 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 section 34(5)(b) of the Act shall be made on Form 49 and shall be accompanied by a statement of the grounds on which it is made. 100. An application by any person for the cancellation of the registration of a registered user under section 34(5)(c) of the Act shall be made on Form 50 and shall be accompanied by a statement of the grounds on which it is made. 101. (1) The Registrar shall notify in writing applications under regulations 98, 99 and 100 of these Regulations to the registered proprietor and each registered user (not being the applicant) whose registration is the subject of any such application and shall give notice thereof by advertisement in the Journal. Any person who intends to intervene in the proceedings shall within one month of the publication of such advertisement give notice to the Registrar on Form 51 to that effect and shall send therewith a statement of the grounds of his intervention. (2) The Registrar shall thereupon send copies of such notice and statement to the other parties, so that the intervention may be known to the applicant, the registered proprietor, the registered user whose registration is in suit and any other registered user who intervenes. (3) Any such party may, within such time or times as the Registrar may appoint, leave evidence in support of his case, and the Registrar after giving the parties an opportunity of being heard, may accept or refuse the application or accept it subject to any conditions, amendments, modifications or limitations he may think right to impose.