This section applies if—
Time during which the person was outside the United Kingdom as a result of the undertaking given under section 153A(2) does not count as time served by the person as part of the sentence.
If the person is not entitled to be released from detention pursuant to the sentence—
If the person is entitled to be released from detention on licence pursuant to the sentence—
The offender is liable to be detained, on return to the United Kingdom, in any place in which the offender could have been detained pursuant to the sentence before the time of return to the territory.
A constable or immigration officer may—
The offender must be released on licence within the period of 5 days beginning when the offender is taken (or retaken) into custody under this section.
In calculating a period of 5 days for the purposes of subsection (7) no account is to be taken of any day mentioned in any of paragraphs (a) to (d) of section 59(10).
The powers conferred on a constable by subsection (6) are exercisable in any part of the United Kingdom.
For the purposes of this section—