Questão jurídica principal
Whether the appellant was entitled to challenge the final and interim mutual assistance orders
Decisão extraída
Yes, as account holder directly affected by the measures, he had standing and could challenge the final decision together with the earlier interim freeze order.
Fundamentação extraída
The account holder is personally and directly affected; under the applicable mutual assistance rules, the final decision may be attacked together with prior interim decisions so as not to undermine judicial protection.