Kernrechtsfrage
Whether the federal appeal against the interim order was admissible and the appellants had standing
Extrahierter Entscheid
The appeal was admissible because premature disclosure abroad could have irreversible effects; the appellants had a sufficient legal interest insofar as their own assets or protected information could be disclosed.
Extrahierte Begründung
The contested order was incidental, but a premature transfer of information could have effects equivalent to a final decision. Because the appellants invoked federal mutual assistance rules, they could challenge the issue to the extent they were entitled to object to disclosure under those rules.