Questione giuridica chiave
Whether the appeal was admissible despite the missing handwritten signature.
Decisione estratta
No. The defect was not cured within the court-prescribed deadline, so the appeal could not be examined.
Motivazione estratta
The appellant was warned under Art. 42(5) BGG to remedy the lack of signature by the deadline. He received the warning but did not respond or cure the defect.