S.D. Codified Laws § 44-15-6
Current with legislation signed by the governor on or before 3/6/2024
Before enforcing any lien, notice in writing shall be given to the customer, whether delivered personally or sent by registered mail to the last-known address of the customer. The notice shall state that a lien is claimed for the damages set forth in writing for manufacturing or fabrication work contracted or performed for the customer. This notice shall also include a demand for payment.
SDCL 44-15-6