On any hearing by the Crown Court—
the Crown Court shall consist of a judge of the High Court or a Circuit judge or a Recorder or a qualifying judge advocate who, subject to the following provisions of this section, shall sit with not less than two nor more than four justices of the peace.
Rules of court may, with respect to hearings falling within subsection (1)—
and the rules may make different provision for different descriptions of cases, different places of sitting or other different circumstances.
Rules of court may authorise or require a judge of the High Court, Circuit judge , Recorder or qualifying judge advocate, in such circumstances as are specified by the rules, to enter on, or at any stage to continue with, any proceedings with a court not comprising the justices required by subsections (1) and (2).
The Lord Chancellor may from time to time, having regard to the number of justices, or the number of justices with any prescribed qualifications, available for service in the Crown Court, give directions providing that, in such descriptions of proceedings as may be specified by the Lord Chancellor, the provisions of subsections (1) and (2) shall not apply.
Directions under subsection (4) may frame descriptions of proceedings by reference to the place of trial, or by reference to the time of trial, or in any other way.
Before exercising any functions under subsection (4), the Lord Chancellor must consult the Lord Chief Justice.
No decision of the Crown Court shall be questioned on the ground that the court was not constituted as required by or under subsections (1) and (2) unless objection was taken by or on behalf of a party to the proceedings not later than the time when the proceedings were entered on, or when the alleged irregularity began.
Rules of court may make provision as to the circumstances in which—
The Lord Chief Justice may nominate a judicial office holder (as defined in section 109(4) of the Constitutional Reform Act 2005) to exercise his functions under this section.