Mo. Rev. Stat. § 33.060: Commissioner of administration custodian of all account books of the state.

The commissioner of administration shall keep the general accounting books of the state, and be the keeper of all public account books, accounts, vouchers, documents, and all papers relating to the accounts and contracts of the state, and its revenue, debt and fiscal affairs, including an account of all moneys received by the state from any source and of every separate fund in the treasury authorized by law.