This section applies to a prisoner ("P") —
The Secretary of State may, at any time after P is returned to prison, release P again on licence under this Chapter.
The Secretary of State must not release P under subsection (2) unless the Secretary of State is satisfied that it is not necessary for the protection of the public that P should remain in prison.
The Secretary of State must refer P's case to the Board—
The Board must not give a direction for P's release on a reference under subsection (4) unless the Board is satisfied that it is not necessary for the protection of the public that P should remain in prison.
Where on a reference under subsection (4) the Board directs P's ... release on licence under this Chapter, the Secretary of State must give effect to the direction.
Subsection (7) applies if P is recalled before the date on which P would (but for the earlier release) have served the requisite custodial period for the purposes of section 243A or (as the case may be) section 244.
Where this subsection applies—
For the purposes of this section, P returns to custody when P, having been recalled, is detained (whether or not in prison) in pursuance of the sentence.