Questione giuridica chiave
Whether the appellant's residence permit had expired under Art. 61 AuG due to departure abroad, foreign absence, or expiry of validity.
Decisione estratta
The permit had expired on multiple grounds: by deregistration abroad, by an uninterrupted foreign stay exceeding six months, and later by expiry of the permit's validity period.
Motivazione estratta
The court held that motives for the absence are irrelevant. The six-month period was exceeded, brief returns to Switzerland did not interrupt the period, and the signed deregistration abroad independently triggered expiry.