S.D. Codified Laws § 61-5-32
Any nonprofit organization or group of such organizations or political subdivisions which, pursuant to § 61-1-13 or 61-1-15 and 61-1-36, is, or becomes, subject to this title shall pay contributions under the provisions of chapter 61-5, unless it elects, as provided in chapter 61-5A, to pay to the department for the unemployment fund an amount equal to the amount of regular benefits and, in the case of nonprofit organizations of one-half of the extended benefits paid, or, in the case of political subdivisions, the extended benefits paid, that is attributable to service in the employ of the nonprofit organization or political subdivision, to individuals for weeks of unemployment which begin during the effective period of the election.
SDCL 61-5-32