Questione giuridica chiave
Whether the federal complaint was admissible in an intercantonal tax domicile dispute.
Decisione estratta
The complaint was admissible against the final cantonal decision; the taxpayer was entitled to challenge it.
Motivazione estratta
A preliminary final decision on tax liability may be reviewed by the Federal Supreme Court; in intercantonal disputes the time limit runs when appealable decisions exist in both cantons.