6(1)IBB must not include a person in the children’s barred list—
(a)only on a particular ground if a relevant Scottish authority has already considered whether the person should be included in a corresponding list on the same ground (whether or not it decided to include him in the list), or
(b)if, in accordance with such criteria as the Secretary of State specifies by order, it is more appropriate for the person’s case to be considered by the relevant Scottish authority.
(2)A relevant Scottish authority is such authority as the Secretary of State specifies by order as exercising for the purposes of the law of Scotland functions which correspond to those of IBB.
(3)A corresponding list is a list maintained for the purposes of the law of Scotland which the Secretary of State specifies by order as corresponding to the children’s barred list.