page 5 The application for protection shall be accompanied by a detailed description of the new plant variety, its proposed denomination, a sample for conservation and by all the data liable to assist the competent authority in taking the measures of protection. Article 17 Where there is agreement as to the application, the applicant shall receive a new plant variety certificate. Article 18 The competent authority shall keep a national catalogue of new plant varieties, comprising two parts: − A first part in which shall be entered the applications for new plant variety certificates. − A second part in which shall be entered the new plant variety certificates. The lists of plants eligible for protection, the data and the method of entry of applications and certificates in the aforementioned catalogue shall be laid down by an order of the Minister responsible for agriculture. Article 19 The new plant varieties, the relevant applications and the new plant variety certificates issued in respect of them shall be published in the Official Journal of the Tunisian Republic. CHAPTER II RIGHTS ARISING FROM APPLICATIONS AND PLANT VARIETY CERTIFICATES Article 20 An application for a new plant variety certificate filed with the competent authority in accordance with the provisions of this Law shall afford the following rights: − priority for obtaining a new plant variety certificate in the event of more than one application for that variety; − transfer of the application to third parties; − provisional protection of the variety against infringement; − exploitation of the variety that is the subject matter of the application. Article 21 A new plant variety certificate shall afford to its holder the right to produce the variety that has been bred and to dispose of it. Article 22