The study of the system of sources of labour law today is a share among other studies in the field of labour relations, because there is a change in the entire legislative and regulatory framework of the country, new laws are adopted, and, consequently, sources are changing. At present, the influence of international law is growing with all obviousness not only on the law of the international community, but also on the domestic law of the states that are part of this community. The role of international law in the protection of human rights is especially important, including labour rights.