S.D. Codified Laws § 31-29-63.2
Current with legislation signed by the governor on or before 3/6/2024
Any abandoned sign as defined by § 31-29-62 is unlawful and is subject to the provisions of chapter 31-29. The twelve-month period for determining if a sign is abandoned commences upon the department's notification of violation to the sign owner.
SDCL 31-29-63.2