Mo. Rev. Stat. § 447.572
The treasurer may at reasonable times and upon reasonable notice examine the records of any person if the treasurer has reason to believe that such person has failed to report property that should have been reported pursuant to sections 447.500 to 447.595; provided, however, that examination of the records of any person or entity subject to the supervision of the divisions of finance, credit unions, the department of commerce and insurance, or the public service commission shall be made by the chief officer of the respective agency at the request of the treasurer. Such examination by the chief officer of the respective agency may be delegated to the chief officer's full-time employees, who otherwise examine the specific listed institution regulated by such agency. Such chief officer of the respective agency shall certify in writing to the treasurer and the institution under examination when the chief officer has reason to believe that such institution has failed to report property that should have been reported pursuant to sections 447.500 to 447.595. In such case the treasurer may examine such institution. The communications between such chief officers and the treasurer concerning this section shall be considered exceptions to any applicable confidentiality statutes. The treasurer may delegate any duty imposed upon the treasurer pursuant to the provisions of sections 447.500 to 447.595 to such other agency employees as the treasurer deems appropriate.
§ 447.572, RSMo