After chapter 5 —
insert—
539A Application of chapter(1) This chapter applies to an entity to which chapter 4 does not apply.(2) An entity to which this chapter applies is an
"external entity" .
539B Commissioner may investigate external entity(1) The commissioner may, under chapter 6 or 6A, investigate the conduct of an external entity if the commissioner suspects the entity has contravened the following provisions—(a) a claim farming provision;(b) the Personal Injuries Proceedings Act 2002 , chapter 3, part 1.(2) An investigation into the conduct of an external entity under this chapter is a
"chapter 5A investigation" .