[F1Persons believed to fall within section 4A(3): powers of arrest and detentionU.K.

(2)A “designated person” is a person designated by the Secretary of State or the Scottish Ministers [F2or the Department of Justice in Northern Ireland] .

(3)The appropriate judge is—

(a)in England and Wales, any District Judge (Magistrates' Courts) who is designated for those purposes by the Lord Chief Justice after consulting the Lord Chancellor;

(b)in Scotland, the sheriff of Lothian and Borders; and

(c)in Northern Ireland, any county court judge or resident magistrate who is designated for those purposes by the Lord Chief Justice of Northern Ireland after consulting the Lord Chancellor.

(4)A designation under subsection (2) or (3)(a) or (c) may be made—

(a)for the purposes of section 4D or 4E (or both); and

(b)for all cases or only for cases (or cases of a description) specified in the designation.

(5)A designated person shall have all the powers, authority, protection and privileges of a constable in any part of the United Kingdom in which a person who may be arrested under section 4D or 4E is for the time being.]