Regulation 17—Declaration of Priority, Furnishing Translation of Earlier Application.(1)  The declaration of priority for purposes of section 15 of the Law shall be made at the time of filing the application for a patent and shall indicate—(a)  the date of the earlier application;(b) the number of the earlier application subject to sub-regulation (2) of this regulation.(c)  the symbol of the International Patent Classification which has been allocated to the  priority application, subject to sub-regulation (3);(d) the state in which the earlier application was filed or, where the earlier application is a regional or an international application, the state for which it was filed; and(e)  where the earlier application is a regional or an international application, the office with which it was filed.(2)  Where at the time of filing the declaration referred to in sub-regulation (1), the number of the earlier application is not known, that number shall be furnishd within three months from the date of the filing of the application for a patent.(3)  Where a symbol of the International Patent Classification has not been allocated to the priority application, or has not yet been allocated at the time of filing the declaration referred to in sub-regulation (1), the applicant shall state this fact in the declaration and shall communicate the symbol as soon as it has been allocated.(4)  The period for furnishing the certified copy of the earlier application, referred to in section 15 (2), of the Law shall be three months from the date of the request by the Registrar; and where a copy has already been furnished for another application, the applicant may respond by making a reference to that other application.(5) Where the earlier application referred to in section 15 (2) of the Law is in a language other than English, the applicant shall, within three months from the date of the request referred to in sub-regulation (4), furnish an English translation of the earlier application.(6) Unless the Registrar requests otherwise, the earlier application and any translation of it shall be filed in one copy.