Certificate of service and copy of the document served
Article 10
1. When the formalities concerning the service of the document have been completed, a certificate of completion of those formalities shall be drawn up in the standard form set out in Annex I and addressed to the transmitting agency, together with, where Article 4(5) applies, a copy of the document served. 2. The certificate shall be completed in the official language or one of the official languages of the Member State of origin or in another language which the Member State of origin has indicated that it can accept. Each Member State shall indicate the official language or languages of the institutions of the European Union other than its own which is or are acceptable to it for completion of the form.