The group of presidential electors in each column shall be preceded by the surnames of the respective candidates for President and vice president for whom they are pledged; as for instance, " G Coolidge and Dawes electors," " G Davis and Bryan electors," etc., which shall be printed conspicuously and be preceded by a square as above indicated. Source: SL 1925, ch 160 ; SDC 1939, § 16.1105 (2); SL 1964, ch 60 , § 1; SL 1976, ch 105 , § 43.