153 Length of discretionary custodial sentences: general provision
153 Length of discretionary custodial sentences: general provision

(1)     This section applies where a court passes a custodial sentence other than one fixed by law or . . . imposed under section [224A,] 225 or 226.

(2)     Subject to [the provisions listed in subsection (3)], the custodial sentence must be for the shortest term (not exceeding the permitted maximum) that in the opinion of the court is commensurate with the seriousness of the offence, or the combination of the offence and one or more offences associated with it.

[(3)     The provisions referred to in subsection (2) are—

(a)     sections 1(2B) and 1A(5) of the Prevention of Crime Act 1953;

(b)     section 51A(2) of the Firearms Act 1968;

(c)     sections 139(6B), 139A(5B) and 139AA(7) of the Criminal Justice Act 1988;