24Persons liable to removal from the United Kingdom
(1)In relation to an offender who is liable to removal from the United Kingdom—
(a)section 12 above shall have effect as if, in subsection (2), for the words “shall, if recommended to do so by the Parole Board,” there were substituted the word “may”; and
(b)section 16 above shall have effect as if, in subsection (2), for the words “On his release, the offender shall” there were substituted the words “If the Secretary of State thinks fit, the offender shall, on his release,”.
(2)An offender is liable to removal from the United Kingdom for the purposes of this section if—
(a)he is liable to deportation under section 3(5) of the [1971 c. 77.] Immigration Act 1971 and has been notified of a decision to make a deportation order against him;
(b)he is liable to deportation under section 3(6) of that Act;
(c)he has been notified of a decision to refuse him leave to enter the United Kingdom; or
(d)he is an illegal entrant within the meaning of section 33(1) of that Act.