Questione giuridica chiave
Whether the appeal proceedings should be discontinued after the withdrawal of the appeal.
Decisione estratta
The proceedings are discontinued because the appeal was withdrawn.
Motivazione estratta
Upon receipt of the withdrawal letter, the court struck the case off the docket under Art. 71 BGG in conjunction with Art. 73 Abs. 1 BZP and Art. 32 Abs. 2 BGG.