An applicant for registration shall answer questions and sign the oath as required on the form prescribed by the State Board of Elections. An applicant for registration at a driver's license station shall also sign a signature card prescribed by the Department of Public Safety. This signature shall be digitized and used to prepare the registration card as provided in § 12-4-5. If an applicant is unable to write his or her name, the applicant shall make a mark, the applicant's name being written near such mark, and written by a person who writes his or her own name as a witness.
SDCL 12-4-6