Question juridique clé
Whether the creditor could challenge for the first time before the Federal Court the fee for issuing the payment order.
Solution extraite
The new challenge was inadmissible because it expanded the scope of the dispute beyond what had been contested below.
Motifs extraits
Under Art. 99 BGG, new requests and issues that widen the subject matter of the dispute are not admissible; the fee for issuing the payment order had not been disputed before the cantonal authority.