Pengujian Peraturan Pemerintah Pengganti Undang-Undang
Article 24C Section (1) of the 1945 Constitution of the Republic of Indonesia authorizes the Constitutional Court to reviewthe law against the constitution. However, when referring to the hierarchy of legislation, the law has the equal hierarchy with government regulation in lieu of law. It makes a question whether the Constitutional Court truly has the authority to review government regulation in lieu of law against the constitution? Based on the research in this paper, it was found that by the Constitutional Court Decision Number 138/PUU-VII/2009, the Constitutional Court stated that the authority to review government regulation in lieu of law under the authority of the Constitutional Court because the substance of government regulation in lieu of law is similar with the substance of law. So, the Constitutional Court has the authority to review a government regulation in lieu of law materially. Such decision is correct; the Constitutional Court has the authority to review a government regulation in lieu of law in material because the substance is similar with the law. While formally reviewing should be the authority of the Supreme Court due to government regulation in lieu of law formally is in the form of government regulation