Question juridique clé
Whether the appeal against the remand decision was admissible under Art. 93 LTF.
Solution extraite
The decision was incident and the appellants failed to show that immediate review would avoid a long and costly evidentiary procedure.
Motifs extraits
A new interrogation of the parties and some additional witnesses, plus renewed investigation on rent, was not a long and costly evidence-taking procedure; the appellants' criticisms of the appellate assessment were irrelevant.