Mo. Rev. Stat. § 521.020
521.020 Attachments on demands not due — exceptions.
521.020. Attachments on demands not due — exceptions. — An attachment may issue on a demand not yet due in any of the cases mentioned in section 521.010 , except subdivisions (1), (2), (3) and (4), but no judgment shall be rendered against the defendant until the maturity of the demand.
(RSMo 1939 § 1439) Prior revisions: 1929 § 1275; 1919 § 1726; 1909 § 2295