S.D. Codified Laws § 12-18-25 (2026)
Any voter who by reason of physical disability or illiteracy is unable to read or mark a ballot may receive the assistance of any person whom such voter may select.
Source: SL 1897, ch 60 , §§ 28, 30; RPolC 1903, §§ 1917, 1919; RC 1919, §§ 7267, 7268; SDC 1939, § 16.1204; SL 1939, ch 81 ; SL 1959, ch 99 , § 10; SDC Supp 1960, § 16.2210; SDCL, § 12-18-37; SL 1974, ch 118 , § 128; SL 1976, ch 105 , § 59; SL 1983, ch 111 ; SL 1995, ch 84 .