<P> On June 27 , 2003 , the U.S. Federal Trade Commission ( FTC ) opened the National Do Not Call Registry in order to comply with the Do - Not - Call Implementation Act of 2003 ( Pub. L. 108 -- 10 , was H.R. 395 , and codified at 15 U.S.C. § 6101 et . seq . ) , sponsored by Representatives Billy Tauzin and John Dingell and signed into law by President George W. Bush on March 11 , 2003 . The law established the FTC 's National Do Not Call Registry in order to facilitate compliance with the Telephone Consumer Protection Act of 1991 . </P>
what is the purpose of the national do not call registry
to comply with the Do - Not - Call Implementation Act of 2003