891 —Begæringer, erklæringer, klage eller appel, der i medfør af en medlemsstats lovgivning skal være indgivet til en myndighed, en institution eller en domstol i den pågældende stat Inden en bestemt frist, skal anses for rettidigt indgivet, såfremt de inden for samme frist er indgivet til en tilsvarende myndighed, institution eller domstol i en anden medlemsstat.
891—Any claim, declaration or appeal which should have been submitted, in order to comply with the legislation of one Member State, within a specified period to an authority, institution or tribunal of that State shall be admissable if it is submitted within the same period to a corresponding authority, institution, or tribunal of another Member State.