Dirección General de Radio, Televisión y Cinematografía, also known as General Directorate of Radio, Television and Film or RTC, is a state-owned entity headquartered in Mexico. Founded in 1977, this agency of the Mexican Secretariat of the Interior (SEGOB) is responsible for rating films and television programs broadcast in the country. It also manages the time allotted to the government on broadcast television and radio stations, including the production and distribution of La Hora Nacional, a weekly program heard on all radio stations in Mexico.