—(1) The Registrar, in dealing with any matter under the Act or these Rules in respect of which a person has been authorised to act as an agent on behalf of another, may require the personal signature or presence of either the agent or his principal.
(2) The Registrar may, by notice in writing sent to an agent, require the agent to produce evidence of his authority.
(3) Where a person who has become a party to any proceedings before the Registrar appoints an agent for the first time or substitutes one agent for another, the newly appointed agent shall file with the Registrar in Form TM 1 his name together with an address in Singapore as his principal’s address for service.
(4) Rule 9(2) to (5) and (7) shall, with the necessary modifications, apply in relation to the filing by an agent of his name and address for service under paragraph (3).
(4A) Where there is a change in the name or address for service of an agent or both and the agent remains the same legal entity after such change, the agent may file one Form TM 1 in respect of such change in name or address for service or both for all the matters under the Act for which the agent has been appointed.
(5) Any act required or authorised by the Act in connection with the registration of a trade mark, or any procedure relating to a registered trade mark, may not be done by or to the newly appointed agent referred to in paragraph (3) until after he has complied with that paragraph or, in the case of a change in the name or address for service of the agent or both, until he has filed Form TM 1 in respect of such change.