1 Submissions may be made in writing or orally on record. Written submissions must be dated and signed.
2 In the case of electronic submission, the submission and its enclosures must bear a qualified electronic signature in accordance with the Federal Act of 18 March 201640 on Electronic Signatures. The Federal Council shall regulate:
a.
the format for submissions and their attachments;
b.
the method of transmission;
c.
the requirements for requesting the submission of documents in paper form in the event of technical problems.41
3 Procedural acts are not otherwise subject to any formal requirements unless this Code provides otherwise.
4 The director of proceedings may reject illegible, incomprehensible, improper or incoherent submissions; they shall fix a deadline for the revision of the submission and give notice that the submission if not revised, will not be considered.