If the mode of transmission referred to in paragraph 3 is not available and for as long as it is not available, central authorities of Member States shall transmit all information referred to in paragraph 3, with the exception of the index-filter referred to in Article 4a, by any secure means capable of producing a written record under conditions allowing the central authority of the receiving Member State to establish the authenticity thereof, shall inform the Commission of this and shall make all attempts to rectify the situation as soon as possible.
Če in dokler način posredovanja iz odstavka 3 ni na voljo, osrednji organi držav članic posredujejo vse informacije iz odstavka 3, z izjemo indeksnega filtra iz člena 4a, na kakršen koli varen način, ki omogoča pisno sled, in pod pogoji, ki osrednjemu organu države članice prejemnice omogočajo ugotovitev njihove pristnosti, o tem obvestijo Komisijo in naredijo vse, da čim prej odpravijo težavo.“