S.D. Codified Laws § 26-7A-32.1
Definition of terms regarding competency of juvenile
Terms used in this chapter mean:
(1) "Mental illness," any diagnosable mental impairment supported by the most current edition of the Diagnostic and Statistical Manual of Mental Disorders, published by the American Psychiatric Association;
(2) "Developmental disability," a disability as defined by § 27B-1-18 ; and
(3) "Approved facility," a facility as defined by § 23A-10A-13 .
Source: SL 2013, ch 121, § 1.