S.D. Codified Laws § 58-18B-3.1
No small employer carrier may increase its small employer base rates unless the small employer carrier has filed the base rate increase with the director for review at least thirty days prior to the implementation of the rate increase. The base rates are deemed approved at the expiration of thirty days after the filing thereof unless disapproved by the director within thirty days after the date of filing. The filing of the base rate increase shall include documentation sufficient to actuarially justify the increase and a history of the earned premiums and incurred claims on the policy forms applicable to the rate increase. The base rates shall be reasonable in relation to the benefits.
SDCL 58-18B-3.1
SL 2011, ch 216, §19 provides: "The provisions of this Act are repealed if the Patient Protection and Affordable Care Act, Pub.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."