9. No regard shall be had to any correspondence relating to an application that is received from any person or firm other than the person or firm with whom correspondence on the subject of the application is being conducted.

• 10. (1) An applicant may appoint a person or firm as an agent to act on behalf of the applicant.

• (2) Subject to subsection (3), the appointment of an agent need not be made in writing.

• (3) The Registrar may, where the circumstances require, request that an agent file a written appointment within a period that the Registrar deems appropriate in the circumstances.

• (4) Where an agent fails to file a written appointment as requested pursuant to subsection (3), the Registrar shall give notice to the agent that any further correspondence will be conducted with the applicant until a written appointment is filed.

• 11. (1) An applicant or the owner of a registered topography may appoint a person or firm in Canada as a representative for service.

• (2) A notice sent to or a proceeding served on a representative for service has the same effect as if the notice were sent to or the proceeding were served on the applicant or the owner of the registered topography, as the case may be.

• 12. (1) An application and any amendment thereto shall be in one of the official languages and shall bear the signature of the applicant or the applicant’s agent.

• (2) A separate application shall be made for each topography.

13. An application shall contain, in addition to the information and material required by paragraphs 16(2)(a) to (d) of the Act, the following information:

• (a) where the applicant has no office or place of business in Canada, the name and address of a representative for service;

• (b) where an agent has been appointed, the name and address of the agent;

• (c) a description of the material filed, including, where the topography consists of layers and contains confidential information, the number of layers and the number of layers in relation to which section 15 or 16 has been relied on; and

• (d) a description of the nature or function of the topography.

• 14. (1) Subject to these Regulations, an application shall contain, in addition to the information and material required by paragraphs 16(2)(a) to (d) of the Act, a complete set of overlay sheets, drawings or photographs of the topography.

• (2) The material referred to in subsection (1) shall be sufficiently magnified so that the design of the topography is clearly visible to the naked eye.

• (3) Where the material referred to in subsection (1) consists of more than one sheet, drawing or photograph, the sheets, drawings or photographs shall be numbered consecutively.

15. Where a topography that consists of more than two layers contains confidential information, an application may contain, instead of a complete set of overlay sheets, drawings or photographs as required by section 14, a set that contains the same total number of sheets, drawings or photographs, but that includes a selected number of sheets, drawings or photographs on which is blocked out up to 50 per cent of the total area covered by those sheets, drawings or photographs, if

• (a) the selected sheets, drawings or photographs are clearly indicated in the application;

• (b) the number of sheets, drawings or photographs selected does not exceed 50 per cent of the total number of sheets, drawings or photographs, said total number having been reduced by one where it is an odd number; and

• (c) the application contains topography design data in printed form for the areas that are blocked out; however, up to 50 per cent of these data may be blocked out, if the application contains four or more integrated circuit products incorporating the topography.