224.74(3)(3) Additional division authority. To carry out the purposes of this section, the division may do any of the following: 224.74(3)(a)(a) Retain attorneys, accountants, and other professionals and specialists as examiners, auditors, or investigators to conduct or assist in the conduct of investigations or examinations. 224.74(3)(b)(b) Enter into agreements or relationships with other government officials or regulatory associations to improve efficiencies and reduce regulatory burden by sharing resources, standardized or uniform methods or procedures, and documents, records, or information obtained under this section. 224.74(3)(c)(c) Use, hire, contract, or employ public or privately available analytical systems, methods, or software to examine or investigate any licensee or other person subject to investigation or examination. 224.74(3)(d)(d) Accept and rely on investigation or examination reports made by other government officials, in this state or elsewhere. 224.74(3)(e)(e) Accept audit reports made by an independent certified public accountant for the licensee or another person relevant to the investigation or examination and incorporate any such audit report into any report of the division. 224.75224.75 Record-keeping requirements for licensees. 224.75(1)(1) Required records; loan application or servicing documents. 224.75(1)(a)(a) Fee record system. A mortgage banker or mortgage broker shall establish and maintain a record system which shows all fees which a mortgage banker or mortgage broker charged a residential mortgage loan applicant or a mortgagor in connection with a residential mortgage loan. The record shall show the application or disposition of those fees. 224.75(1)(b)(b) Loan application record system. A mortgage banker or mortgage broker shall establish and maintain a record system containing all of the following information for each residential mortgage loan application: 224.75(1)(b)4.4. The disposition of the application and the reason for the particular disposition. 224.75(1)(c)(c) Loan application documents. A mortgage banker or mortgage broker shall maintain for each residential mortgage loan application all of the following documents, if used by the mortgage banker or mortgage broker in connection with the residential mortgage loan application file: 224.75(1)(c)9.9. Any other documents, records or forms shown to or signed by a loan applicant. 224.75(1)(d)(d) Loan servicing records and documents. A mortgage banker shall maintain for each residential mortgage loan serviced by the mortgage banker a copy of or a record of all of the following: