523D.12  Investigations.
  The commissioner may, for the purpose of discovering or investigating violations of this chapter or rules adopted pursuant to this chapter do any or all of the following:
  1.  Investigate the business and examine the books, accounts, records, and files used by a provider. With the exception of an examination involving new construction, an examination involving a complaint by a resident or a prospective resident or where good cause exists for the lack of prior notice, as determined by the commissioner, the division of insurance shall provide at least seven days’ prior notice to the facility before conducting an on-site examination.
  2.  Administer oaths and affirmations, subpoena witnesses, receive evidence, and require the production of documents and records in connection with an investigation or proceeding being conducted pursuant to this chapter.
  3.  Apply to the district court for issuance of an order requiring a person’s appearance before the commissioner. The person may also be required to produce documentary evidence germane to the subject of the investigation. Failure to obey a court order under this section constitutes contempt of court.
91 Acts, ch 205, §16; 2004 Acts, ch 1104, §47 – 49