S.D. Codified Laws § 58-17H-44
The health carrier shall provide the covered person or, if applicable, the covered person's authorized representative, a reasonable period of time to submit the necessary information, taking into account the circumstances, but in no event less than forty-eight hours after the date of notifying the covered person or the covered person's authorized representative of the failure to submit sufficient information, as provided in §§ 58-17H-41 and 58-17H-42.
SDCL 58-17H-44
SL 2012, ch 239, §1 provides: "The provisions of chapter 219 of the 2011 Session Laws shall be deemed repealed if the Patient Protection and Affordable Care Act, Pub. L. No. 111-148, 124 Stat. 119 (2010), as amended by the Health Care and Education Reconciliation Act of 2010, Pub. L. No. 111-152, 124 Stat. 1029 (2010) is found to be unconstitutional in its entirety by a final decision of a federal court of competent jurisdiction and all appeals exhausted or time for appeals elapsed."