S.D. Codified Laws § 15-26A-70.1
In any appeal where a party is represented by counsel, the clerk of the Supreme Court shall not accept for filing any pro se briefs, pleadings, motions or other documents. In the event that such documents are presented for filing, the clerk shall acknowledge receipt and notify the party, and those the party has served such documents upon, that the documents are not being filed pursuant to this rule. The clerk shall notify counsel of record of the receipt of the documents and their return, including with the notification copies of such documents. This rule shall not apply to pro se pleadings or documents directed to the court concerning the performance of appellate counsel or briefs filed pursuant to State v. Korth, 2002 SD 101, 650 N.W.2d 528.
SDCL 15-26A-70.1