(1)Where any person is believed to be unlawfully detained in such circumstances that his life is in danger, any member of Her Majesty’s forces on duty or any constable may, subject to subsection (2) below, enter any premises or other place for the purpose of ascertaining whether that person is so detained there.
(2)A dwelling-house may be entered in pursuance of subsection (1) above—
(a)by a member of Her Majesty’s forces, only when authorised to do so by a commissioned officer of those forces; and
(b)by a constable, only when authorised to do so by an officer of the Royal Ulster Constabulary not below the rank of chief inspector.