S.D. Codified Laws § 33-10-185
Waiver of right to make submission
The accused may waive the right to make a submission to the convening authority as authorized by § 33-10-182 . Such a waiver shall be made in writing and may not be revoked. For the purposes of § 33-10-187 , the time within which the accused may make a submission under § 33-10-182 shall be deemed to have expired upon the submission of such a waiver to the convening authority.
Source: SL 2012, ch 175, § 166.