Mo. Rev. Stat. § 281.063
The director may subpoena witnesses and compel the production of books, documents, and records anywhere in the state in any hearing affecting the authority or privilege granted by a license or certificate issued under the provisions of sections 281.010 to 281.115.
(L. 1977 H.B. 665, A.L. 2021 H.B. 476 merged with S.B. 26)
Effective 1-01-25, see § 281.102