5—Meaning of high risk offender
For the purposes of this Act, a "high risk offender" is—
(a) a serious sexual offender who was sentenced to a period of imprisonment in respect of the serious sexual offence; or
(b) a person referred to in paragraph (a)
who is serving a sentence of imprisonment any part of which is in respect of any of the following offences:
(i) an offence under section 58 or 63A of the Criminal Law Consolidation Act 1935
;
(ii) an offence under section 44, 45, 65 or 66N(2) of the Child Sex Offenders Registration Act 2006
;
(iii) an offence under section 99I of the Summary Procedure Act 1921
;
(iv) an offence prescribed by the regulations for the purposes of this paragraph; or
(c) a serious violent offender who was sentenced to a period of imprisonment in respect of the serious offence of violence; or
(d) a person who is subject to an extended supervision order.