Questione giuridica chiave
Whether the federal appeal was filed within the statutory time limit.
Decisione estratta
The appeal was filed after expiry of the 30-day deadline and is therefore inadmissible.
Motivazione estratta
The cantonal decision was served on 2013-05-08, while the appeal was handed to the post on 2013-06-12; the deadline expired on 2013-06-07.