Article 90 Agents
(1)
Unless the comptroller otherwise directs in any particular case—
(a)
all attendances upon him may be made by or through an agent; and
(b)
every notice, application or other document filed under the Act may be signed by an agent.
(2)
Where after a person has become a party to proceedings before the comptroller he appoints—
(a)
an agent for the first time, the newly appointed agent shall file Patents Form 51/77 on or before the first occasion when he acts as agent; or
(b)
one agent in substitution for another, the newly appointed agent shall file in duplicate Patents Form 51/77 on or before the first occasion when he acts as agent and the comptroller shall send one copy of the form to the previously appointed agent.