[F11. In proceedings before the Office, any service of documents to be made by the Office on a party to proceedings shall take the form of a digital document, an uncertified copy, a print-out or the original document. Documents emanating from other parties to proceedings may be served in the form of uncertified copies.]
2.If a procedural representative has been appointed by one or more parties to proceedings, service shall be made on him in accordance with the provisions of paragraph 1.
[F13. Service shall be made by one or more of the following means:
(a) by electronic means or any other technical means in accordance with Article 64a;
(b) by post in accordance with Article 65;
(c) by delivery by hand in accordance with Article 66;
(d) by public notice in accordance with Article 67.
4. Documents or copies thereof containing actions for which service is provided for in Article 79 of the basic Regulation shall be served by electronic means to be determined by the President of the Office or by postal means by recorded delivery with advice of delivery served.]