Whether the cantonal order setting the entry into force of the amended health law had to grant a transitional period.
No. The appellants had no constitutional right to a transitional period; the law could be put into force on the date fixed by the government.
Art. 9 BV protects legitimate expectations against specific assurances, not against ordinary legislative change. The contested amendment did not restrict the appellants' legal position but merely allowed additional competition. They could not rely on continued unchanged legislation, and the political controversy made a change foreseeable.