The services of a tour operator are aimed at the compilation and provision of travel service packages with the combination of minimum two of the following: passenger transportation, accommodation and other tourism services (in particular, meals, guided tours, entertainment and cultural programmes), within the framework of a gainful business activity. The services of a travel agency are aimed at the provision of travel services within the framework of a gainful business activity based on the engagement of a tour operator and the conclusion of contracts on its behalf.