Question juridique clé
Whether the public law appeal was admissible despite subsidiarity and the civil nature of the dispute
Solution extraite
The appeal was admissible only insofar as it invoked constitutional arbitrariness; other complaints were excluded by subsidiarity.
Motifs extraits
The Court held that ordinary and nullity appeals were not open against the application of foreign law in this pecuniary civil dispute, but a constitutional complaint for arbitrariness remained available.