Question juridique clé
Whether the appeal against the denial of legal aid was admissible before the Federal Supreme Court
Solution extraite
The appeal was admissible because the challenged ruling was an interim decision that could cause irreparable legal harm.
Motifs extraits
Denial of legal aid creates a non-reparable legal disadvantage under Art. 93(1)(a) BGG; the cantonal court was the last cantonal instance for tax security matters.