S.D. Codified Laws § 3-13C-19 (2026)
Any death benefit after a participant's retirement will be determined by the form of retirement benefit in effect on that date. If the participant has a dependent child on the date of death after retirement date, payments shall be made as follows:
(1) For each dependent child of the participant with a surviving spouse, the amount of payments is equal to the least of:
(2) For each dependent child of a participant who does not have a spouse on the date of death, the amount of payments is equal to the least of:
Source: SL 2020, ch 13 , § 26.