Art. 33a APA from 2022

Art. 33a Hbis. Language of the proceedings (1)
1 The proceedings shall be conducted in one of the four official languages, and normally in the language in which the parties have filed or would file their applications.
2 In appeal proceedings, the language of the contested decision is decisive. If the parties use a different official language, the proceedings may be conducted in this language.
3 If a party files official documents that are not in an official language, the authority may with the consent of the other parties waive the requirement of a translation.
4 If necessary, the authority shall order a translation to be obtained.
(1) Inserted 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.