In 2005, Leland Yee, a California State Senator (in District 8 which includes the western half of San Francisco and most of San Mateo County), Speaker pro Tempore of the Assembly (D-San Francisco/Daly City), introduced California Assembly Bills 1792 & 1793 which barred "ultra-violent" video games from minors under the age of eighteen in California and mandated the application of ESRB ratings for video games. "California Assembly Bills 1792 & 1793" were commonly called the "ultraviolent video games bills" or simply "video game ban" bills. Bill 1792 banned the sales of such video games while Bill 1793 required signs explaining the regulations on said games to be placed where such were sold. Both bills were passed by the Assembly and signed by Governor Arnold Schwarzenegger into law (AB 1179) on October 7, 2005.
California Assembly Bills 1792 & 1793 are laws against ultraviolent video games.