The Act Commentary on Sections Part 4 - Sentencing Section 138:  Dangerous offenders: terrorism offences (England and Wales)
611.Schedule 15 to the 2003 Act lists specified violent or sexual offences which may attract a sentence of imprisonment for public protection under section 225 of the 2003 Act or an extended sentence under section 227 of the 2003 Act. Section 138 amends Part 1 to Schedule 15 of the 2003 Act (specified violent offences) by inserting certain terrorist offences. All the offences inserted carry a maximum penalty of ten years or more. The changes take effect as provided in section 182 (commencement two months after Act is passed) and paragraph 29 to 36 of Schedule 22 (transitional, transitory and saving provisions).