Federal Secretary of Law filed the reference within the Supreme Court on Saturday, that seeks to reopen the case of former prime minister and PPP founder Zulfikar Ali Bhutto .
The Registrar of Supreme Court received the reference, that signed by the President on Friday.
Federal Secretary of Law Masood Chishty filed the reference.
Earlier, addressing a press conference in Islamabad Federal Minister of Law Babar Awan said that the reference being filed to strengthen the judicial system and to get rid of the black spot on judicial history of the country.
Bhutto was hanged on April 04, 1979 in Rawalpindi.