Section 11 of the [1967 c. 80.] Criminal Justice Act 1967 (notice of alibi) shall cease to have effect, but subject to the following provisions of this section.

Subsection (1) does not affect the application of section 11 of the Criminal Justice Act 1967 to proceedings before courts martial by virtue of section 12 of that Act.

The reference in section 12 of the Criminal Justice Act 1967 to section 11 as it applies to proceedings on indictment shall be construed as a reference to it as it would apply to proceedings on indictment apart from subsection (1) of this section.

In section 9(6) of the [1987 c. 38.] Criminal Justice Act 1987 (disclosure in cases involving fraud) in paragraph (a) for the words “section 11 of the [1967 c. 80.] Criminal Justice Act 1967” there shall be substituted “section 5(7) of the Criminal Procedure and Investigations Act 1996”.

This section applies in relation to alleged offences into which no criminal investigation, within the meaning given by section 1(4), has begun before the day appointed under section 1(5).