(1) The period for which the notification requirements apply is -

(a) 30 years in the case of a person who -

(i) is aged 18 or over at the time of conviction for the offence, and

(ii) receives in respect of the offence a sentence within subsection (2);

(b) 15 years in the case of a person who -

(i) is aged 18 or over at the time of conviction for the offence, and

(ii) receives in respect of the offence a sentence within subsection (3);

(c) 10 years in any other case.

(2) The sentences in respect of which a 30 year period applies are -

(a) in England and Wales -

(i) imprisonment or custody for life,

(ii) imprisonment or detention in a young offender institution for a term of 10 years or more,

(iii) imprisonment or detention in a young offender institution for public protection under section 225 of the Criminal Justice Act 2003 (c. 44),

(iv) detention during Her Majesty's pleasure;

(b) in Scotland -