Constitution of Russia
As normative legal acts, such have a status of by-law in the hierarchy of legal acts (along with a Decree of the Government of the Russian Federation, instructions and directions of other officials). Presidential decrees may not alter the regulations of existing legal sources - , the Constitution of Russia, Federal Constitutional Laws, Federal Laws and laws of Russian regions - and may be superseded by any of these laws. For example, thanks to Article 15 of the Constitution of Russia, the European Convention on Human Rights, as an international document, has higher status than any Russian law or presidential executive order.