Iowa Code § 105.23: Jurisdiction of revocation and suspension proceedings.

The board shall have exclusive jurisdiction of all proceedings to revoke or suspend a license issued pursuant to this chapter. The board may initiate proceedings under this chapter or chapter 272C, following procedures set out in section 272C.6, either on its own motion or on the complaint of any person. The board, in connection with a proceeding under this chapter, may issue subpoenas to compel attendance and testimony of witnesses and the disclosure of evidence, and may request the attorney general to bring an action to enforce the subpoena.