SECTION 12 OF ACTS 1988, NO. 515, PROVIDES AS FOLLOWS:
Section 12.(1) The provisions of this Act shall govern and regulate all civil proceedings commenced and criminal prosecutions instituted on or after the effective date of this Act.
(2) Furthermore, it shall govern and regulate all hearings, trials or retrials, and other proceedings to which it is applicable which are commenced on or after the effective date of this Act, except to the extent that its application in a particular action pending when the Act takes effect would not be feasible or would work injustice, in which event former evidentiary rules apply.
(3) All of the provisions of this Act shall become effective on January 1, 1989.