South Dakota Codified Laws — Title 10 (Taxation)
SDCL § 10-11-6 — Notice mailed to taxpayer of addition of omitted property
The county auditor so entering such omitted property for taxation shall, at the time of entering the same on the tax rolls, deposit in the United States mails, properly addressed to the taxpayer against whom the assessment is made, a notice of said assessment.
Source: official text