Questão jurídica principal
Whether the appeal proceedings should be discontinued due to withdrawal of the appeal.
Decisão extraída
The appeal proceedings were struck off the docket as completed after the withdrawal.
Fundamentação extraída
Upon receipt of the withdrawal letter, the appeal had to be discontinued under Art. 71 BGG in conjunction with Art. 73 para. 1 BZP in the procedure under Art. 32 para. 2 BGG.