If a vacancy occurs in the office of representative in the United States Congress due to extraordinary circumstances as defined in 2 USC Chapter 1 § 8 as of January 1, 2008, the Governor shall immediately issue a proclamation calling and setting the date for a special election to fill the vacancy. The proclamation shall contain the deadline for nomination.
S.D. Codified Laws § 12-11-1.1
Special election to fill congressional vacancy due to extraordinary circumstances
Source: SL 2008, ch 65, § 1.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.