The authority shall notify the parties of its rulings in writing.
With the consent of the party, notification of a ruling may be given by electronic means. The ruling must carry an electronic signature in accordance with the Federal Act of 18 March 201671 on Electronic Signatures. The Federal Council shall regulate:
the form of signature to be used;
the format of the ruling and its accompanying documents;
the form and method of transmission;
the time at which notification is deemed to have been given.72
The authority may verbally notify the parties present of interim orders, but it must confirm the ruling to them in writing if any party requests this at the time; the period allowed for applying for legal remedies in this case begins from the time of written confirmation.73