(1) The appointment of an attorney-at-law shall be by an authorisation of agent as set out in Form I, and shall be signed by the applicant or, if there are more than one, each applicant.
(2) The authorisation of agent may be filed together with the application or within 2 months from its filing date and if the appointment is not made in accordance with sub-regulation (1), any procedural steps taken by the agent, other than the filing of the application, shall be deemed not to have been taken.