Missouri Revised Statutes Title XXXIII. Evidence and Legal Advertisements § 491.090. Summons of witnesses--procedure--consequences of failure to appear

1. In all cases where witnesses are required to attend the trial in any cause in any court of record, a summons shall be issued by the clerk of the court wherein the matter is pending, or by some notary public of the county wherein such trial shall be had, stating the day and place when and where the witnesses are to appear.

2. The witness shall be required to attend a trial from time to time, and from term to term, until the case be disposed of or the witness is finally discharged by the court. The witness shall be liable to attachment for any default or failure to appear as a witness at the trial and adjudged to pay the costs. Costs shall not be allowed for any subsequent recognizance or subpoena for the witness.