Territorial Extent Schedule 6: Exchange of information: persons and bodies Part Four: Protection of Children and Young Persons Section 63: Reasonable belief about a person’s age
200.Where a person is charged with an offence under this Part of doing anything in relation to a child or young person it is to be a defence for the person to prove that he took all reasonable steps to determine the relevant person’s age and he reasonably believed that the person was not a child or a young person.