Art. 11 APA from 2022

Art. 11
1 At any stage in the procedure, a party may, if he is not required to act personally, be represented, or, provided the urgency of an official investigation does not preclude it, be assisted by legal counsel. (1)
2 The authority may require the representative to provide a written power of attorney.
3 As long as the party does not revoke the power of attorney, the authority shall address any communications to the representative.
(1) Amended by Annex No 10 of the Federal Administrative Court Act of 17 June 2005, in force since 1 Jan. 2007 (AS 2006 2197 1069; BBl 2001 4202).Es besteht kein Anspruch auf Aktualität und Vollständigkeit/Richtigkeit.