(1) For section 37(1) of the Essential Services Commission Act 2001 substitute —
"(1) If the Commission considers that it is necessary to do so for the purposes of performing its functions or exercising its powers, the Commission may require a person that the Commission has reason to believe has any relevant information or document to provide that information or document to the Commission.
(1A) For the purposes of subsection (1), the Commission may require the person to appear before the Commission to provide the information or document.".
(2) After section 37(2)(c) of the Essential Services Commission Act 2001 insert —
"(ca) whether or not the person is required to appear before the Commission; and".