S.D. Codified Laws § 36-18A-48
Any business entity that desires to practice engineering, architecture, land surveying, landscape architecture, or petroleum release assessment or remediation in this state shall register with the board by making application for a certificate of authorization. A business entity is responsible for the conduct or acts of its agents, employees, officers, partners, members, or managers in respect to any engineering, architecture, land surveying, landscape architecture, petroleum release assessment, or petroleum release remediation services performed or to be executed in this state. No person is relieved of the responsibility for that person's conduct or acts performed by reason of that person's employment by or relationship with a business entity. A licensee who renders occasional, part-time, or consulting services to or for a business entity may not be designated as the person in responsible charge for the professional activities of the business entity.
SDCL 36-18A-48