S.D. Codified Laws § 22-24A-6
Any person, not a citizen or resident of this state, whose actions or conduct constitute a violation of §§ 22-19A-1, 22-24A-1 to 22-24A-20, inclusive, 22-24B-1, 22-49-1 to 22-49-3, inclusive, 23A-27-14.1, 43-43B-1 to 43-43B-3, inclusive, and 22-23-2, 22-23-8, and 22-23-9 and whose actions or conduct involve a child residing in this state, or someone the person reasonably believes is a child residing in this state, or with an adult in this state in violation of § 22-23-2, 22-23-8, or 22-23-9 is for the purpose of §§ 22-19A-1, 22-24A-1 to 22-24A-20, inclusive, 22-24B-1, 22-49-1 to 22-49-3, inclusive, 23A-27-14.1, 43-43B-1 to 43-43B-3, inclusive, and 22-23-2, 22-23-8, and 22-23-9 deemed to be transacting business in this state and by that act:
The service of legal process upon any person who is subject to the jurisdiction of the courts of this state, as provided in this section, may also be made by personally serving the summons upon the person outside this state with the same force and effect as though summons had been personally served within this state. The service shall be made in like manner as service within this state. No order of court is required. An affidavit of the server shall be filed stating the time, manner and place of service. The court may consider the affidavit, or any other competent proofs, in determining whether service has been properly made.
SDCL 22-24A-6