21.330. The vote of the members of the house of representatives may be taken and recorded by mechanical means in all cases where a vote by roll call is required by the constitution or ordered by members of the house.
(L. 1947 V. I p. 368 § 1, A.L. 1957 p. 595)CROSS REFERENCE:
Legislative journals--demand for yeas and nays--manner and record of vote, Const. Art. III § 26
Missouri General Assembly