S.D. Codified Laws § 10-43-25.6 (2026)
Notwithstanding the provisions of § 10-43-25.5, receipts from securities used to maintain reserves against deposits to meet federal and state reserve requirements shall be included in the numerator specified in § 10-43-25.1 based on the ratio that the deposits in South Dakota bear to total deposits everywhere during the tax period.
Source: SL 1977, ch 96 , § 15 (1); SL 2014, ch 61 , § 10, eff. Jan. 1, 2015.