S.D. Codified Laws § 27A-10-23
Any law enforcement officer or authority, any qualified mental health professional in a clinic, hospital, or appropriate regional facility, or any clinic or hospital who in good faith transferred direct supervision of a person or direct engagement with a person to a mobile crisis team or a crisis intervention team certified law enforcement officer, is immune from any civil liability for the referral. Any member of a mobile crisis team or a crisis intervention team certified law enforcement officer, whose actions, in the engagement with a person or in the de-escalation, assessment, supervision, examination, or placement of a person in compliance with this section and §§ 27A-10-20 to 27A-10-22, inclusive, are taken in good faith, are immune from any civil liability for the engagement with the person or for the de-escalation, assessment, referral, supervision, examination, transfer, or placement of the person. The immunity from civil liability under this section and §§ 27A-10-20 to 27A-10-22, inclusive, does not apply if injury results from gross negligence or willful or wanton misconduct. Any law enforcement officer or authority who acts in compliance with subsection 27A-10-21(2)(b) and § 34-20A-57 is not criminally or civilly liable for the officer's or authority's actions.
SDCL 27A-10-23