Mo. Rev. Stat. § 433.010
Current with changes from the 2023 Legislative Session
Any person bound as surety for another in any bond, bill or note, for the payment of money or delivery of property, may, at any time after an action has accrued thereon, require, in writing, the person having such right of action forthwith to commence suit against the principal debtor and other parties liable.
§ 433.010, RSMo
RSMo 1939 § 3318