Commentary First Group of Parts – Discipline Part 8 – Sentencing Powers and Mandatory Etc Sentences Section 220: Certain violent or sexual offences: offenders aged 18 or over
446.Where the corresponding offence is listed in Schedule 15 to the 2003 Act but carries less than 10 years’ imprisonment, and the offender is 18 or over, this section requires the court to pass an extended sentence of imprisonment. This sentence is defined by section 227 of the 2003 Act. It consists of an appropriate custodial term of at least 12 months, plus an extension period (of up to 5 years in the case of a violent offence, or 8 years in the case of a sexual offence) during which the offender is on licence.