554.This Section defines ‘specified offence’ and ‘serious offence’ for the purposes of this Chapter. Specified offences are those sexual or violent offences listed in Schedule 15 (all of which carry a maximum penalty of 2 years or more). A serious offence is defined as a specified sexual or violent offence which carries a maximum penalty of ten years or more (including life). This section also defines various other terms for the purposes of this Chapter.
Commentary on Sections Part 12 - Sentencing Chapter 5: Dangerous offenders Section 224: Meaning of “specified offence” etc