S.D. Codified Laws § 15-9-20
Current with legislation signed by the governor on or before 3/6/2024
In any of the cases where service of summons, writ, order, or decree by publication is authorized in lieu thereof the same may and without any order of the court at the option of the party making service, be personally served upon any defendant in person without the state, or any such defendant may admit such service, and as to a defendant so served, no publication or other proceedings relating thereto shall be necessary.
SDCL 15-9-20