Governor Gavin Newsom proposed a 28th Amendment to the United States Constitution to enshrine fundamental, broadly supported gun safety measures into law. Gun owners would need to have liability insurance on their guns and pay an annual fee under a proposal in the city council.California became the first state in the nation to call for a Constitutional Convention for gun safety. The law bans Californians from carrying firearms in various public places such as parks, stadiums and places of worship. A U.S. district judge issued a ruling Dec. In California, no license or permit shall be required to possess keep, or carry a handgun openly or concealed in one's home or place of business. California Governor Gavin Newsom signed into law several firearmsrelated bills this year, including the country's first statewide gun and ammunition tax. Who is (and isn't) allowed to have guns in California? Can the ATF Regulate Ghost Guns? Gun laws in California regulate the sale, possession, and use of firearms and ammunition in the state of California in the United States.