S.D. Codified Laws § 27A-15-10
After application for admission, the administrator or facility director may immediately admit the minor upon a determination that the criteria in § 27A-15-5 are met. Upon admission, each minor shall have a psychiatric evaluation within forty-eight hours excluding Saturday, Sunday, and holidays and the administrator or facility director shall promptly request all relevant information and records of treatment, education, and other services provided to the minor and arrange for a clinical evaluation of the minor to be conducted within twenty-four hours. If information is not immediately available to complete a clinical evaluation, admission and treatment may be authorized in accordance with the provisions of this chapter by a physician pending the completion of a clinical evaluation within seven days. The parent, guardian, or other legal custodian, all public agencies and all providers of relevant services to the minor shall cooperate with the administrator or facility director and shall promptly deliver information and records upon request and without charge.
Upon completion of the psychiatric and clinical evaluation required in this section, the administrator or facility director may authorize continued admission of the minor to the inpatient psychiatric facility for a period not to exceed forty-five days only upon written findings by the evaluating psychiatrist which reaffirm that the criteria in § 27A-15-5 are met.
A copy of the written psychiatric and clinical evaluation shall be immediately delivered to the parent, guardian, or other legal custodian upon request. If the minor is admitted all information and records subsequently received shall be considered by the evaluator in determining whether continued inpatient treatment is authorized under the criteria in § 27A-15-5. The written psychiatric and clinical evaluation and all records and relevant information shall become part of the minor's medical records.
SDCL 27A-15-10