Questione giuridica chiave
Whether the taxpayers had a right to an oral hearing in the tax appeal proceedings
Decisione estratta
No general right to an oral hearing exists under the Federal Constitution or the ECHR in this appeal procedure; the court may decide on the file and found no need for a hearing.
Motivazione estratta
The taxpayers had sufficient opportunity to present their case, did not explain why a hearing would clarify disputed facts, and requested no evidence-taking.