For the purposes of this Part, the date of discharge is—
In determining the date of discharge under subsection (1), there is to be disregarded any time when the relevant sex offender was—
before the relevant sex offender first notified information to the police under section 2(1) of the Sex Offenders Act 1997 or section 83(1) of this Part.
Subsection (4) applies where—
In determining the date of discharge under subsection (1), there is also to be disregarded any time when the relevant sex offender was serving a sentence of imprisonment or a term of service detention in respect of that offence (or those offences).
Where a notification continuation order made under this Part has effect in respect of the relevant sex offender, for the purposes of this Part the further date of discharge is the date of expiry of the fixed period specified in that order.
In this section and section 88D "relevant date"—