Notwithstanding the provisions of paragraph 5, a State Party may notify the Secretary-General that, for the purposes of paragraph 12, ships are not required to carry on board or to produce the certificate required by paragraph 2, when entering or leaving a port in its territory, or arriving at or leaving from an offshore facility in its territorial sea, provided that the State Party which issues the certificate required by paragraph 2 has notified the Secretary-General that it maintains records in an electronic format, accessible to all States Parties, attesting the existence of the certificate and enabling States Parties to discharge their obligations under paragraph 12.