Documents in appeal proceedings should preferably be filed using Form EP(1038).
Yes, Form EP(1038) can be used by any of the parties to appeal proceedings. The role of the party concerned will be clear from the nature of the document being filed.
If there are multiple signatories to a particular filing, they should use either a facsimile signature or a text-string signature. The last person to sign should verify the authenticity of the document by applying an enhanced electronic signature. This procedure is legally valid as long as this last person is authorised to act in the proceedings.