31.This section makes supplementary provision in respect of the functions found in section 5. Subsection (2) defines relevant older people in Wales and subsection (4) defines a relevant service, which other than in the case of the Assembly is essentially limited to a service provided in Wales. In addition, the definition of relevant service in respect of certain private bodies providing services in the field of public healthcare is limited to services provided in that field. Subsection (5) provides that regulations may confer a power on the Commissioner to require any person to provide him with information for the purposes of his functions under section 5 or for the purposes of determining whether a recommendation he has made in a report in connection with his functions under section 5 has been complied with.