Artikel 13

Any claim, notice or appeal which should, for the purposes of the legislation of a Contracting Party, have been lodged within a prescribed period with any authority, institution or other body of that Party shall be admissible if it is lodged within the same period with a corresponding authority, institution or body of another Party. In such cases, the latter authority, institution or body shall transmit the claim, notice or appeal without delay to the authority, institution or body of the former Party, either direct or through the competent authorities of the Parties.