Section 5. Transitory Provision. –

This Act shall apply to all cases pending in the Sandiganbayan over which trial has not begun: Provided, That: (a) Section 2, amending Section 4 of Presidential Decree No. 1606, as amended, on “Jurisdiction”; and (b) Section 3, amending Section 5 of Presidential Decree No. 1606, as amended, on “Proceedings, How Conducted; Decision by Majority Vote” shall apply to cases arising from offenses committed after the effectivity of this Act.