The Police (Northern Ireland) Act 2000 (Designated Places of Detention: Lay Visitors) Order 2015
Under section 73 of the Police (Northern Ireland) Act 2000 lay visitors may only visit a place of detention designated by the Secretary of State under Paragraph 1 of Schedule 8 to the Terrorism Act 2000 (to hold terrorist suspects or persons detained under Schedule 7 to that Act), if it has been designated by Order as a place they may visit.