1. Spanish Law of Criminal Procedure
2. General Order No. 58, dated April 23 1900
3. Amendatory acts passed by the Philippine Commission
4. The various quasi acts, the Philippine Bill of 1902, the Jones Law of 1916, the Tydings-McDuffie Law, and the Constitution of the Philippines
5. The Rule of Court of 1940, and the 1964, 1985, and 1988 Rules on Criminal Procedure
6. Various Republic Acts (RA 240, Judiciary Act, RA 8249 creating the Sandiganbayan, Speedy Trial Act)
7. Presidential Decrees
8. 1987 Constitution, particularly Art. III Bill of Rights
9. Civil Code (Art. 32, 33, 34)
10. Certain judicial decisions
11. RA 8393 The Speedy Trial Act
12. Circulars
13. The Revised Rules on Criminal Procedure (Dec 1, 2000)
