In the 1971 Act, after section 28I, insert—
(1)The entry or search of premises under a warrant is unlawful unless it complies with this section and section 28K.
(2)If an immigration officer applies for a warrant, he must—
(a)state the ground on which he makes the application and the provision of this Act under which the warrant would be issued;
(b)specify the premises which it is desired to enter and search; and
(c)identify, so far as is practicable, the persons or articles to be sought.
(3)In Northern Ireland, an application for a warrant is to be supported by a complaint in writing and substantiated on oath.
(4)Otherwise, an application for a warrant is to be made ex parte and supported by an information in writing or, in Scotland, evidence on oath.
(5)The officer must answer on oath any question that the justice of the peace or sheriff hearing the application asks him.
(6)A warrant shall authorise an entry on one occasion only.
(7)A warrant must specify—
(a)the name of the person applying for it;
(b)the date on which it is issued;
(c)the premises to be searched; and
(d)the provision of this Act under which it is issued.
(8)A warrant must identify, so far as is practicable, the persons or articles to be sought.
(9)Two copies of a warrant must be made.
(10)The copies must be clearly certified as copies.
(11)“Warrant” means a warrant to enter and search premises issued to an immigration officer under this Part or under paragraph 17(2) of Schedule 2.”