In addition to the information provided for in Article L. 622-25, the statement of claim contains:
1° The elements likely to prove the existence and the amount of the claim if it does not result from a document of title; failing this, an evaluation of the claim if its amount has not yet been fixed;
2° The methods of calculation of the interest for which the rate has not been fixed, this indication being valid as a declaration for the amount subsequently fixed ;
3° An indication of the court seised if the claim is the subject of a dispute;
4° The date of the security and the elements likely to prove its existence, its nature and its basis, if this security has not been publicised.
Supporting documents are attached to this declaration in the form of a slip; copies may be produced. At any time, the court-appointed agent may request the production of documents that have not been attached.