15. An offence under regulation 13 or 14 shall be treated as—
(a)a relevant offence for the purpose of sections 28B and 28D of the 1971 Act (search, entry and arrest);
(b)an offence under Part III of that Act (criminal proceedings) for the purpose of sections 28E, 28G and 28H of that Act (search after arrest); and
(c)an offence under section 24(1)(b) of that Act for the purpose of sections 28A, 28CA and 28FA(1) of that Act (arrest without warrant, entry of business premises to arrest and search for personal records).
Section 28A was inserted by section 128 of the Immigration and Asylum Act 1999 (c.33) and amended by sections 144 and 150 of the Nationality, Immigration and Asylum Act 2002 (c.41); sections 28CA and 28FA were inserted by sections153 and 154 of the Nationality, Immigration and Asylum Act 2002 respectively.