South Dakota Laws > Title 5 > Chapter 18A > § 5-18A-2 South Dakota Codified Laws 5-18A-2. Application to purchasing agency contracts Current as of: 2023 | Check for updates | Other versions Unless otherwise authorized by law, the provisions of this chapter and chapters 5-18B, 5-18C, and 5-18D apply to all contracts issued by any purchasing agency. Source: SL 2010, ch 31, § 3. Previous sectionNext section Chapter 18A Contents