Constitutional Court review of Austrian tax or administrative obligation

The Austrian Constitutional Court (VfGH) rendered a decision in case B409/75 on June 22, 1977; however, the specific operative outcome, the identity of the prevailing party, and the precise legal basis are not available in the provided metadata, as the full text is restricted to a PDF document in the RIS database. The case file is classified under the official publication series "Sammlung der Erkenntnisse des Verfassungsgerichtshofes" (NF 33–44, covering 1968–1979), indicating it was part of the Court's constitutional jurisprudence during that period, but the specific subject matter, disputed facts, and legal doctrines cannot be identified or summarized without access to the primary source text.