Constitutional Court Procedure Act Article 82
(Petitions Concerning Constitutionality of Central Government Laws) In cases where the legislative or executive authorities of a local self-government body, in the exercise of their powers, consider that the national law to be applied may infringe upon the powers of local self-government laid down in the Constitution and contravene the Constitution, the said authorities may lodge a petition with the Constitutional Court for a judgment declaring the impugned law unconstitutional.Articles 50 to 54 shall apply mutatis mutandis to petitions under the preceding Paragraph.