Kernrechtsfrage
Whether the appeal should be taken off the docket after the appellant's express renunciation of the appeal.
Extrahierter Entscheid
The court took formal notice of the withdrawal of the appeal and removed the case from the docket.
Extrahierte Begründung
In his letter of 29 April 2010, the appellant clearly declared that he renounced the appeal; this was treated as a valid withdrawal.