Question juridique clé
Whether the appeal was admissible under Art. 84 BGG as a especially significant mutual assistance case.
Solution extraite
The case was not especially significant within the meaning of Art. 84 BGG, so the Supreme Court would not enter into the appeal.
Motifs extraits
Although secret-information transmission was involved, the lower court had addressed the essential objections and its reasoning was consistent with federal case law; no reason existed to take up the matter.