(1) The commission shall cause to have made an examination of all statements which are required to be filed with it under this subchapter and may examine any of the documents used to develop such statements. The commission shall make official note in the file of a principal of any error or other discrepancy which the commission discovers. The commission shall inform the person submitting the report of the error.(2) In the discharge of its duties under this subchapter and upon notice to the party or parties being investigated, the commission may subpoena and bring before it any person in the state and require the production of any papers, books or other records relevant to an investigation. A circuit court may by order permit the inspection and copying of the accounts and the depositor's and loan records at any financial institution as defined in s. 705.01(3) doing business in the state to obtain evidence of any violation of this subchapter upon showing of probable cause to believe there is a violation and that such accounts and records may have a substantial relation to such violation. In the discharge of its duties, the commission may cause the deposition of witnesses to be taken in the manner prescribed for taking depositions in civil actions in circuit court.1977 c. 278; 1989 a. 338.