Article 13
(1) The applicant shall state the priority right he wishes to make use of, together with the application by depositing the fee for the request. In case the applicant does not submit the priority right certificate within three months following the date of application, the request for the priority right shall be deemed not to have been made.
(2) The effect and the results of the priority right shall be conferred as of the dates set out in Article 12.
(3) In case more than one priority right is requested for the trademark application, the priority right commences from the date of first valid priority right.
(4) Procedure and rules regarding request for priority right shall be determined by regulation.