Kernrechtsfrage
Whether the federal appeal should be struck off after withdrawal.
Extrahierter Entscheid
The appeal is discontinued and struck off as withdrawn.
Extrahierte Begründung
The appellants withdrew their filing by letter of 12 June 2009; under Art. 32(2) BGG the single-judge member may dispose of the case, and Art. 71 BGG in conjunction with Art. 73 BZP provides for striking it off.