victims of the Sutherland Springs shooting against the gun shop that sold the gun has been allowed to proceed because the shooter used a Colorado driver's license as identification to purchase the gun, which has a 30-round magazine as standard. In sales of firearms to the resident of another state, the sale must comply with the laws of both the seller's and the purchaser's states. Colorado law prohibits the sale of magazines capable of holding more than 15 rounds. Other industries with liability exemptions Vaccine manufacturers are exempted from civil liability related to adverse vaccine-caused events by the National Childhood Vaccine Injury Act. Internet service providers are exempted from defamation and copyright infringement suits by Section 230. Airline companies were exempted from liability suits connected to the September 11, 2001 terrorist attacks. Renewed interest After the 2012 Aurora, Colorado, and Sandy Hook, Connecticut, shooting incidents, a renewed effort has been mounted to repeal the Protection of Lawful Commerce in Arms Act to make it possible for victims of gun violence to sue firearms manufacturers and dealers on a broader array of grounds. 2016 election During the 2016 United States presidential election, the act became a campaign issue, particularly within the Democratic Party primaries. Hillary Clinton stated that she would repeal the law if elected, saying: "They are the only business in America that is wholly protected from any kind of liability. They can sell a gun to someone they know they shouldn't, and they won't be sued. There will be no consequences." Shortly after Clinton made this claim, fact checker Politifact rated the statement false, noting that other businesses and entities in America have similar or greater levels of protection against liability, and that firearms dealers and manufacturers are still susceptible to lawsuits and liability. Bernie Sanders, who as a congressman voted for the law in 2005, defended the law in October 2015, saying: "If somebody has a gun and it falls into the hands of a murderer and the murderer kills somebody with a gun, do you hold the gun manufacturer responsible? Not any more than you would hold a hammer company responsible if somebody beats somebody over the head with a hammer." He changed his position somewhat in January 2016, saying that he would favor a partial repeal of the law. 2020 election In 2020, Bernie Sanders was again criticized for voting in favor of the law, especially