Questão jurídica principal
Whether the constitutional complaint was admissible alongside the administrative appeal
Decisão extraída
The constitutional complaint was inadmissible because the matter fell under the Federal Tax Harmonization Act and was open to administrative appeal.
Fundamentação extraída
Art. 69 StHG concerned a matter governed by Title 2 via the reference in Art. 16 StHG; for Zurich, the federal rules were already binding from 1999, so review lay under Art. 73 StHG.