Introduction. Analysis of the current Russian legislation shows that the system of bodies of external functions of the state and the bases of their legal status laid down primarily in the Constitution. Further the right to regulate the status in the current legislation (laws and regulations) stipulating the competence of the various actors in the interaction with foreign states and international organizations. In the Russian Federation adopted legislation that reflects the status of an organ in the implementation of foreign policy, which entails, for example, the problems of differentiation of powers between the Russian President and the Russian Government in the administrative-political sphere. The Constitution of the Russian Federation of powers on implementation of the foreign policy functions of the state vests legislative authority in the country, the President of the Russian Federation, the Government of the Russian Federation. The nature and content of such powers is largely determined by the purpose of these bodies in a mechanism of the Russian State. Purpose. The main purpose of this work is the theoretical understanding of the legal framework of participation of the legislative branch of the government in the process of realization of external functions of the state in support of the idea of the need to clarify the place and role of legislative bodies in the mechanism of implementation of the external functions of the state, their legal status. Results. It is stated that the Rules of the Federation Council and the State Duma Regulations do not fully settle the questions of participation of chambers of the Federal Assembly in the foreign policy of states and international cooperation. It is in these acts should establish procedural rules and to present a detailed mechanism of implementation of powers of these authorities the legislature in the field of foreign policy. Conclusion. The State Duma and the Federation Council have considerable power in the implementation of the external functions of the state, capable and have a significant impact on the mechanism of realization of external functions of the state. However, the legal framework of their activities on issues of foreign policy require detail and perfection.