Answers to a questionnaire regarding the application of community environmental law in national administrative courts. The document, alongside with the results of interviews conducted with other Member States, was presented at the seminar organised by the Association of the Councils of State and Supreme Administrative Jurisdictions of the European Union, which took place in Brussels on 28 January 2008. 
The Courts in the Republic of Bulgaria

The 1991 Constitution of the Republic of Bulgaria inserts as a principle a three-instance-legal procedure. However, there are some exception of that rule. 
The Constitutional Court is not part of the three-instance-procedure. Its main competencies are to determine if laws and international agreements (before their ratification) are in compliance with the Constitution. A procedure before the Constitutional Court may be initiated by at least one-fifth of the members of the National Assembly, the President, the Council of Ministers, the Supreme Court of Cassation, the Supreme Administrative Court, the Prosecutor General and the Ombudsman.

The Constitutional Court of the Republic of Bulgaria

The Supreme Administrative Court
The Supreme Judicial Council of the Republic of Bulgaria