191—106.1 (523A,82GA,SF559) Investigations. The commissioner is authorized by Iowa Code section 17A.13(1) and Iowa Code section 523A.803 as amended by 2007 Iowa Acts, Senate File 559, section 71, to conduct such investigations as the commissioner deems necessary to determine whether any person has violated or is about to violate Iowa Code chapter 523A as amended by 2007 Iowa Acts, Senate File 559. The commissioner is authorized to issue and enforce subpoenas to compel testimony and to compel the production of books and records, as more fully described in Iowa Code section 523A.803 as amended by 2007 Iowa Acts, Senate File 559, section 71. Upon the commissioner’s determination that probable cause exists to commence a disciplinary proceeding, the procedures contained in 191—Chapter 3 shall apply.