S.D. Codified Laws § 34A-6-1.23
In a notice given under § 34A-6-1.22, the secretary may also require the alleged violator to appear for a public hearing to be conducted before the board, and to answer the charges made against the alleged violator. If the secretary does not require an alleged violator to appear for a public hearing pursuant to this section, the alleged violator, a member of the board, or an interested person may request the board to conduct such a hearing. Such request shall be in writing and shall be filed with the board no later than ten days after service of a notice under § 34A-6-1.22. If such a request is filed, a hearing shall be held as soon as practicable. In such event, notice of hearing shall be provided which meets the requirements of § 1-26-17, and notice shall also be given in a manner which will reasonably inform the public.
SDCL 34A-6-1.23