(a) A filer must submit to the commission, upon request and where applicable, supporting documentation in the possession, custody, or control of the filer or filer's agents that contains information necessary for filing the report that is subject to the audit, such as:(1) bank statements;(2) cancelled checks;(3) receipts;(4) credit card statements;(5) invoices;(6) loan documents;(7) books or ledgers;(8) employee timesheets and payroll records;(9) certificates of formation or other business documents; and(10) real property records.(b) A filer must submit to the commission the supporting documentation in response to an audit not later than the 30th business day from the date the filer receives notice of the audit.