These rules are based on the rating system developed by the FSK, Germany’s voluntary self-regulatory association for the film industry. This body reviews all films released in theaters or on video for material that is potentially inappropriate for children and teenagers. Films and series not released in theaters or on video are submitted for review to the FSF, the voluntary self-regulatory association for television. The FSF was established by private television broadcasters and certified as an independent supervisory body by the Commission for Protection of Young People in the Media. At the FSF, independent experts evaluate submitted broadcasts and decide whether a program can be shown on TV at all, and if so, after what hour. The FSF may also define cuts to be made in programs with the FSK 16 and FSK 18/KJ ratings, in case the broadcaster wants to show the program in an earlier time slot.