Sources of Legal Regulation of Integration Relations in the Eurasian Economic Union

The article continues the theme of research devoted to the law of the Eurasian Economic Union and its sources. The subject of consideration of this article is the decisions of the EAEU bodies (the Supreme Eurasian Economic Council, the Eurasian Intergovernmental Council, the Eurasian Economic Commission), as well as international customs as sources of legal regulation of integration relations in the EAEU. Separately noted is the status of the decisions of the Customs Union Commission in the current legal order of the EAEU; the importance of the recommendations of the Eurasian Economic Commission, which have a guiding effect on the behavior of subjects of integration legal relations. It is indicated that universal international customs (in the form of principles), as well as regional, local customs, which can be formed directly in the integration association, are applied to the regulation of integration relations. 
The article shows the role of court decisions in regulating integration relations. The courts of integration associations have a special goal associated with ensuring uniform interpretation and application of integration law. In exercising the function of monitoring compliance by the member states with the Treaty on the Union, the conformity of international treaties within the Union and decisions of the Union bodies with the Treaty on the EAEU, as well as ensuring uniform application of the Union law, the EAEU Court acts to ensure the rights and interests of an indefinite group of persons, member states and the Union as a whole. In conclusion, the article notes the importance of the acts of the EAEU Court in the formation of a single legal space within the Union, filling gaps in legal regulation, forming legal customs, implementing the principles of integration, developing legal positions that influence rule-making and law enforcement in the EAEU bodies and the Union member states.