Fremsættes modkravet i en retssag, hvori indehaveren af EF-designet ikke allerede er part, underrettes vedkommende herom og kan herefter indtræde i sagen på de betingelser, der er fastsat i lovgivningen i den medlemsstat, hvor domstolen er beliggende.
If the counterclaim is brought in a legal action to which the right holder of the Community design is not already a party, he shall be informed thereof and may be joined as a party to the action in accordance with the conditions set out in the law of the Member State where the court is situated.