Part 3: Final provisions Section 25: Other transitional provisions
Subsections (1) and (2) provides that the changes to certain terrorism offences (sections 1, 2, 3, 5 and 6) and the sentencing provisions in sections 7 and 8 do not have retrospective effect.
	Subsection (3) provides that the changes to extended determinate sentences and sentences for offenders of particular concern in England and Wales made by section 9, and those made by section 10 to extended sentences in Scotland, apply to an offender sentenced on or after the date that the section comes into force, including in cases where the relevant offence was committed prior to commencement.
	Subsection (4) provides that the changes made by section 9, and the consequential amendments in Part 1 of Schedule 4, apply only to an offender sentenced for an offence committed on or after the date that the section comes into force for the purposes of sections 225 and 226 of the 2003 Act and sections 219 and 221 of the Armed Forces Act 2006 which makes provision for life sentences for certain dangerous offenders.
	Subsection (5) provides that the changes to extended custodial sentences in Northern Ireland made by section 11, apply to an offender sentenced for an offence committed on or after the date that the section comes into force.
	The effect of subsection (6) is that a court may make an SCPO in respect of a person convicted of a relevant terrorism offence or conduct carried out prior to the commencement of section 14.
	Subsections (7) and (8) provide that the amendments made by Schedule 2 extending the duration, from two to five years, of a national security determination in respect of the retention of biometric material only applies to determinations made or renewed after commencement.
	Subsection (9) provides that the powers in Schedule 3 to stop, question, search and detain a person at a port or the border area in Northern Ireland for the purpose of determining whether that person is or has been engaged in hostile activity are exercisable in respect of hostile acts commissioned, prepared or instigated prior to commencement of Schedule 3.