Mo. Rev. Stat. § 476.1000: Mandatory electronic filing jurisdictions, notice of entry of appearance to be accepted, when — expiration date.

All courts that require mandatory electronic filing shall accept, file, and docket a notice of entry of appearance filed by an attorney in a criminal case if such filing does not exceed one page in length and was sent by fax or regular mail. The provisions of this section shall expire on December 31, 2016.