the "white square" was introduced. A white square, replaced by a white rectangle in 1964, was displayed in the corner of the screen. An off-screen voice warned at the beginning of the program that it was unsuitable for all audiences. This system continued until 1996 when the Conseil supérieur de l'audiovisuel replaced it with a system of five pictograms, indicating the suitability of the program. This system was replaced by the current system on 18 November 2002. Germany In Germany, every broadcaster has to show a disclaimer displaying the sentence Die nachfolgende Sendung ist für Zuschauer unter 16/18 Jahren nicht geeignet before transmission if the programme contains potentially offensive content. This roughly translates to The following programme is not suitable for viewers under 16/18. The Freiwillige Selbstkontrolle Fernsehen (FSF) checks many shows in private television. FSK 0 - For all ages. FSK 6 - For ages 6 and up. FSK 12 - For ages 12 and up. FSK 16 - For ages 16 and up, can only be broadcast between 22:00 and 06:00. FSK 18 - For adults only, can only be broadcast between 23:00 and 06:00, may contain explicit content. Greece A new content rating system in Greece was introduced on 30 September 2019. The system is now associated with the age of viewers and has new visual symbols (replacing rhombus, circle, triangle, square and cross symbols), however, there are no mature-accompanied ratings compared to the previous system. The ratings are compulsory and are displayed and verbally announced at the beginning of each broadcast. These provisions are enforced by the Greek National Council for Radio and Television (ESR). – suitable for all ages – suitable for ages 8 and up (allowed only 30 minutes after the kid-friendly zone) – suitable for ages 12 and up (allowed only between 9:30 p.m. and 6:00 a.m., or between 10:00 p.m. and 6:00 a.m. during Fridays, Saturdays and school holidays) – suitable for ages 16 and up (allowed only between 11:00 p.m. and 6:00 a.m.) – suitable for ages 18 and up (allowed only between 1:00 a.m. and 6:00 a.m.) Also, programmes suitable for ages 12 and up will be accompanied by a special word marker identifying their content, which is divided into the following four categories: ΒΙΑ (English: VIOLENCE): The programme contains scenes of violence. ΣΕΞ (English: SEX): The programme contains sex scenes. ΧΡΗΣΗ ΟΥΣΙΩΝ (English: USE OF SUBSTANCES): The programme contains