 Organizations such as the United States Conference of Mayors oppose gun manufacturer immunity legislation.Others have argued that the legislation took "away the right of victims to be able to have their day in court," that the bill gave unprecedented immunity to a single industry, and that the law was unconstitutional to the extent that it conflicted with the Separation of powers.The American Tort Reform Association (ATRA) claims that "The cost of the U.S. tort system for 2003 was $246 billion, or $845 per citizen or $3,380 for a family of four" and "The Growth of U.S. tort costs have exceeded the Gross Domestic Product (GDP) by 2-3 percentage points in the past 50 years".