what is the hart scott rodino antitrust improvements act of 1976 
the hart scott rodino antitrust improvements act of 1976 requires large companies to file notifications with the federal trade commission and the anti trust division of department of justice prior to certain mergers and acquisitions or tender offers 1 the law requires companies intending to merge to file an hsr form also called a notification and report form for certain mergers and acquisitions and generally known as a premerger notification report 2 this gives regulators an opportunity to review the proposed merger based on antitrust laws president gerald ford signed the act into law as a set of amendments to existing antitrust laws including the clayton antitrust act 3 the hart scott rodino antitrust improvements act of 1976 is also known as the hsr act or public law 94 435 4 