Questione giuridica chiave
Whether the Federal Supreme Court could hear the tax-assistance appeal as a matter of principle or as a particularly important case.
Decisione estratta
Yes. The case raised a reviewable procedural question concerning the admissibility of service through an appointed delivery agent in tax assistance group requests.
Motivazione estratta
The challenge concerned an issue capable of guiding future practice and touching fundamental procedural guarantees, so the restrictive admissibility threshold for international tax assistance was met.