Mo. Rev. Stat. § 540.070
Current with changes from the 2023 Legislative Session
No challenge to the array of grand jurors, or to any person summoned as a grand juror, shall be allowed except as provided in section 540.045 and in section 540.050.
§ 540.070, RSMo
RSMo 1939 § 3904, A.L. 1989 S.B. 127, et al.