(1) The central industrial property office of a Contracting State shall be obliged to forward to the European Patent Office, in the shortest time compatible with the application of national law concerning the secrecy of inventions in the interests of the State, any European patent applications which have been filed with that office or with other competent authorities in that State.
(2) The Contracting States shall take all appropriate steps to ensure that European patent applications, the subject of which is obviously not liable to secrecy by virtue of the law referred to in paragraph 1, shall be forwarded to the European Patent Office within six weeks after filing.
(3) European patent applications which require further examination as to their liability to secrecy shall be forwarded in such manner as to reach the European Patent Office within four months after filing, or, where priority has been claimed, fourteen months after the date of priority.
(4) A European patent application, the subject of which has been made secret, shall not be forwarded to the European Patent Office.
(5) European patent applications which do not reach the European Patent Office before the end of the fourteenth month after filing or, if priority has been claimed, after the date of priority, shall be deemed to be withdrawn. The filing, search and designation fees shall be refunded.