Question juridique clé
Whether the appeal in public law matters was admissible under Art. 84 BGG because the case was particularly significant.
Solution extraite
The case was not particularly significant; no admissibility exception applied.
Motifs extraits
The lower court had examined the extradition requirements, including dual criminality and the seriousness of the alleged VAT/tax offences, without any unresolved point of principle or exceptional importance.