Questione giuridica chiave
Whether the federal appeal was filed within the statutory time limit.
Decisione estratta
The appeal was lodged after expiry of the 30-day deadline and is therefore inadmissible.
Motivazione estratta
The cantonal decision was served on 8 May 2013, while the appeal was mailed only on 12 June 2013; the deadline expired on 7 June 2013.