Questione giuridica chiave
Whether the appeal was admissible despite the missing attached lower-court decision and failure to cure the defect
Decisione estratta
The formal defect was not cured within the set grace period, so the appeal could not proceed.
Motivazione estratta
The court had indicated the defect under Art. 42(5) in connection with Art. 42(3) BGG, but the appellant did not remedy it by 6 May 2013.