There are not 506 individuals who have changed their name; there are 506 instances in which any form of registered name was changed or updated. When a name is changed, that change is made across multiple records, so such a change would involve a change to, for example, registered email address, registered gym membership card et cetera. Therefore, multiple instances of a reported change could be attributed to a smaller number of individuals who might have changed some detail of their name. Sex offender notification requirements apply to the individual irrespective of the name that they use, and, when a registered sex offender changes their name, they must let the police know within three days or they will breach their notification requirements.