Kernrechtsfrage
Whether the appellant was entitled to challenge the transmission decision only for its own interests and not for third parties.
Extrahierter Entscheid
The appellant was admissible only insofar as it relied on its own position as account holder; arguments advanced solely in the interest of third parties were inadmissible.
Extrahierte Begründung
Standing under the MLA rules covered the holder of the account affected by the measure, but not third-party interests such as clients or other persons.