Failure of an appellant to take any step other than timely service and filing of a notice of appeal does not affect the validity of the appeal, but is grounds for such action as the circuit court deems appropriate, which may include dismissal of the appeal.
S.D. Codified Laws § 15-38-29
(Rule 3(c)) Failure to prosecute appeal--Dismissal
Source: Supreme Court Rule 78-4, Rule 3 (c).
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.