South Dakota Laws > Title 31 > Chapter 29 > § 31-29-63.2 South Dakota Codified Laws 31-29-63.2. Abandoned sign–Determination Current as of: 2023 | Check for updates | Other versions 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. Source: SL 1991, ch 235, § 2. Previous sectionNext section Chapter 29 Contents