Mo. Rev. Stat. § 483.135: Clerk to bunch, label, and index papers.

Whenever, in the opinion of any court of record, or the judge or judges thereof in vacation, it shall be necessary for the papers in cases remaining on file in the office of the clerk of such court to be bunched and encased in suitable envelopes or wrappers, labeled and reindexed, such court, or the judge or judges thereof in vacation, may order the clerk of said court to perform such service.