Questione giuridica chiave
Whether the cantonal appeal against the opposition decision was filed within the legal time limit.
Decisione estratta
The opposition decision was deemed notified on the last day of the seven-day postal hold period; the appeal period expired before the appeal was filed.
Motivazione estratta
A person who should expect an official communication must make arrangements to receive it while absent. An uncollected registered letter is deemed served on the last day of the pickup period. Here, the claimant knew that official communications could follow his opposition, but made no suitable arrangements during his stay abroad.