* The Philippine Constitution of 1973 (Sec. 5, Article VIII) created a special court, known as Sandiganbayan, with jurisdiction over criminal and civil cases involving graft and corrupt practices and such other offenses committed by public officers and employees, including those in government owned or controlled corporations, in relation to their office as may be determined by law.
• Presidential Decree No. 1486 (June 11, 1978) supported the creation of the Sandiganbayan as provided for under the 1973 Constitution.
• Presidential Decree No. 1606 (January 10, 1979), revised PD 1486, elevating the Sandiganbayan to the same level as the Court of Appeals.
• Presidential Decree No. 1861 (March 23, 1983) amended pertinent provisions of PD 1606 and Batas Pambansa Blg. 129 relative to the exclusive original jurisdiction of the andiganbayan over cases involving violations of RA 3019 (Anti-Graft and Corrupt Practices Act) and other offenses or felonies committed by public officers and employees in relation to their office.
• Executive Order No. 14 (May 7, 1986), as amended by EO 14-A (August 18, 1986), defined the jurisdiction of the Sandiganbayan over cases filed by the Philippine Commission on Good Government (PCGG) involving the ill-gotten wealth of the Marcos family and relatives.
• The Philippine Constitution of 1987 (Sec. 4, Article XI) provided for the anti-graft court known as the Sandiganbayan to continue to function and exercise its jurisdiction over graft and corruption practices provided by law.
• Republic Act 7975 (March 30, 1995) strengthened the functional and structural organization of the Sandiganbayan.
• Republic Act 8249 (February 5, 1997) further defined the jurisdiction of the Sandiganbayan, amending for the purpose PD 1606.
* The latest - REPUBLIC ACT NO. 10660 - AN ACT STRENGTHENING FURTHER THE FUNCTIONAL AND STRUCTURAL ORGANIZATION OF THE SANDIGANBAYAN, FURTHER AMENDING PRESIDENTIAL DECREE NO. 1606, AS AMENDED, AND APPROPRIATING FUNDS THEREFOR.