Questione giuridica chiave
Whether the federal appeal was admissible despite the low amount in dispute and whether it could be treated as a subsidiary constitutional complaint.
Decisione estratta
The ordinary civil appeal was inadmissible because the amount in dispute did not reach the statutory threshold, but the filing was admissible as a subsidiary constitutional complaint.
Motivazione estratta
The dispute concerned maintenance, with a litigated amount below CHF 30,000; however, the decision was final and the appellant could rely on constitutional review, especially arbitrariness.