Questione giuridica chiave
Whether the complaint against the federal counterproposal was admissible before the Federal Supreme Court.
Decisione estratta
The complaint was inadmissible because the counterproposal is an act of the Federal Assembly and cannot be challenged before the Federal Supreme Court.
Motivazione estratta
Claims that the counterproposal violated the unity of matter or political rights were barred from review under Art. 189 para. 4 BV; the court therefore did not need to examine other admissibility requirements, including exhaustion of legal remedies.