S.D. Codified Laws § 1-26A-3
Current with legislation signed by the governor on or before 3/6/2024
Within one year of the effective date of a rule, an action or proceeding may be brought to contest the legality of any rule for the failure of the agency to comply with the procedural requirements of chapter 1-26. However, this section does not restrict a person's right to initiate an action or proceeding to challenge the legality of the substance of any rule.
SDCL 1-26A-3