Question juridique clé
Whether the appeal had to be declared inadmissible for failure to attach the challenged decision despite a cure warning.
Solution extraite
Yes. The appellant did not comply with the formal requirement under Art. 42 para. 3 and 5 LTF, so the appeal was not entered into under Art. 108 para. 1 let. a LTF.
Motifs extraits
A party lodging an appeal must attach a copy of the contested decision. If this is omitted, the court sets a deadline and warns of inadmissibility. The appellant did not react to the warning letter of 3 March 2011.