S.D. Codified Laws § 32-12-5.1
The Department of Public Safety may deny the issuance of a motor vehicle operator's license, motorcycle operator's license, restricted minor's permit, motorcycle restricted minor's permit, instruction permit, or motorcycle instruction permit to any individual who has experienced convulsions, seizures, or blackouts, until the individual has experienced a period of twelve months without any such episode. However, upon receipt of a statement signed by the applicant that the applicant's condition is adequately controlled by medication, the applicant is continuing to take medication, and the applicant is under the care of a physician, the Department of Public Safety may issue a temporary permit to the applicant. This temporary permit is subject to the provisions of § 32-12-36 and is reviewable by the department every six months, or until the applicant has gone a period of twelve months without any episode.
SDCL 32-12-5.1