Questão jurídica principal
Whether the appeal against the Federal Office's mutual assistance decision was admissible and whether X. Ltd had standing.
Decisão extraída
The appeal was admissible and X. Ltd had standing as holder of the blocked account and addressee of the requested bank documentation.
Fundamentação extraída
The decision granting mutual assistance and rejecting the opposition could be challenged by administrative-law appeal; the account holder was directly affected by the seizure and transmission order.