If the filing does not contain the above-mentioned elements, the application shall be declared inadmissible and returned to the applicant. Any fee that has been paid will be refunded to the applicant. Any material errors are to be remedied within two months following notification made to the applicant, failing which the application shall be rejected and returned to the applicant. Article 41 A provisional reference may be given at the time of filing of the application in place of a denomination in order to designate the variety which is the subject matter of the application. In such case, the denomination shall be proposed, on pain of inadmissibility of the application, within two months of the notification addressed to the holder of the application by the Competent Office. Article 42 A copy of the application for a plant variety certificate shall be returned to the applicant, on filing, bearing an attestation of the day and time of filing of the application and including a registration number. Article 43 The application shall be entered in the National Register of Applications for Plant Variety Certificates referred to in Article 58 below in the order of filing and under the number that has been allocated to the applicant. This number shall be shown on all notifications addressed to the applicant up to issue of a plant variety certificate, if appropriate. Article 44 Up to issue of a plant variety certificate, the applicant may request correction of any material errors ascertained in the filed elements. The request shall be submitted in writing and shall contain the wording of the modifications proposed by the applicant. It shall be entered in the National Register of Applications for Plant Variety Certificates and shall only be admissible if accompanied by evidence of payment of the required fee for services rendered. CHAPTER VII PROSECUTION OF APPLICATIONS FOR PLANT VARIETY CERTIFICATES Article 45