Article 47
General provisions on notifications 1. In proceedings before the Office, any notifications to be made by the Office shall take the form of the original document, of a copy thereof certified by, or bearing the seal of, the Office or of a computer print-out bearing such seal. Copies of documents emanating from the parties themselves shall not require such certification. 2. Notifications shall be made: (a) by post in accordance with Article 48; (b) by hand delivery in accordance with Article 49; (c) by deposit in a post box at the Office in accordance with Article 50; (d) by fax and other technical means in accordance with Article 51; (e) by public notification in accordance with Article 52.