Mo. Rev. Stat. § 521.150
521.150 Original writs, how issued and returned.
521.150. Original writs, how issued and returned. — Original writs of attachment shall be issued and returned in like time and manner as ordinary writs of summons.
(RSMo 1939 § 1459) Prior revisions: 1929 § 1295; 1919 § 1746; 1909 § 2315