94 Power to impose custody for life in certain other cases where offender at least 18 but under 21.E+W
(1)Where a person aged at least 18 but under 21 is convicted of an offence—
(a)for which the sentence is not fixed by law, but
(b)for which a person aged 21 or over would be liable to imprisonment for life,
the court shall, if it considers that a sentence for life would be appropriate, sentence him to custody for life.
(2)Subsection (1) above is subject to (in particular) sections 79 and 80 above, but this subsection does not apply in relation to a sentence which falls to be imposed under section 109(2) below.