The commission may from time to time require such additional reports as will facilitate the performance of its functions. All public depositaries are required to submit to such inspections and/or audits of their public deposits and/or eligible collateral as the commission may from time to time require. Any public depositary failing to respond timely to a request from the commission shall be subject to appropriate sanction as provided in chapter 39.58 RCW and WAC 389-12-100.