SDCL § 43-8-9: Written notice to terminate estate at will required--Manner of delivery--Posting on premises.

The notice prescribed by § 43-8-8 must be in writing, and must be served by delivering the same to the tenant, or to some person of discretion residing on the premises; or if neither can, with reasonable diligence, be found, the notice may be served by affixing it on a conspicuous part of the premises, where it may be conveniently read.