Life sentences (Adults aged 21 and over) You must login to your account to view this content. Updated on Tagged: section 284 Sentencing Act 2020section 283 Sentencing Act 2020section 285 Sentencing Act 2020 Related Articles Effect of Life Sentences Extended sentences (Adults aged 21 and over) Required special custodial sentence for certain offenders of particular concern (Adults aged 21 and over)