Mo. Rev. Stat. § 509.270
509.270 Demurrers and pleas in abatement and to the jurisdiction shall not be used.
509.270. Demurrers and pleas in abatement and to the jurisdiction shall not be used. — Demurrers and pleas in abatement and to the jurisdiction shall not be used.
(L. 1943 p. 353 § 59)