84Notification requirements: changes
(1)A relevant offender must, within the period of 3 days beginning with—
(a)his using a name which has not been notified to the police under section 83(1), this subsection, or section 2 of the Sex Offenders Act 1997 (c. 51),
(b)any change of his home address,
(c)his having resided or stayed, for a qualifying period, at any premises in the United Kingdom the address of which has not been notified to the police under section 83(1), this subsection, or section 2 of the Sex Offenders Act 1997, or
(d)his release from custody pursuant to an order of a court or from imprisonment, service detention or detention in a hospital,
notify to the police that name, the new home address, the address of those premises or (as the case may be) the fact that he has been released, and (in addition) the information set out in section 83(5).
(2)A notification under subsection (1) may be given before the name is used, the change of home address occurs or the qualifying period ends, but in that case the relevant offender must also specify the date when the event is expected to occur.
(3)If a notification is given in accordance with subsection (2) and the event to which it relates occurs more than 2 days before the date specified, the notification does not affect the duty imposed by subsection (1).
(4)If a notification is given in accordance with subsection (2) and the event to which it relates has not occurred by the end of the period of 3 days beginning with the date specified—
(a)the notification does not affect the duty imposed by subsection (1), and
(b)the relevant offender must, within the period of 6 days beginning with the date specified, notify to the police the fact that the event did not occur within the period of 3 days beginning with the date specified.
(5)Section 83(6) applies to the determination of the period of 3 days mentioned in subsection (1) and the period of 6 days mentioned in subsection (4)(b), as it applies to the determination of the period mentioned in section 83(1).
(6)In this section, “qualifying period” means—
(a)a period of 7 days, or
(b)two or more periods, in any period of 12 months, which taken together amount to 7 days.