Constitutional challenge to administrative tax assessment based on procedural and substantive rights violations

The Austrian Constitutional Court dismissed the constitutional complaint, upholding the challenged administrative decision. The dispute concerned a tax assessment, where the complainant argued that the lower authorities had violated fundamental rights in their procedural handling or substantive application of tax law. The Court found no constitutional violation, confirming that the administrative decision stood. The decisive legal basis involved the interpretation of the Austrian Federal Constitutional Law and relevant tax statutes, with the Court determining that the complainant's claims regarding legal error or procedural injustice were unfounded under constitutional standards.