Mo. R. Civ. P. 96.14
As amended through October 1, 2024
The commissioners, before proceeding to the execution of their duties, shall make affidavit, before some officer qualified to administer oaths, to honestly and impartially execute the trust reposed in them, which shall be filed with their report. They shall give at least ten days' notice to the parties of the time when they will perform their duties.
Mo. R. Civ. P. 96.14