South Dakota Codified Laws — Title 10 (Taxation)
SDCL § 10-39-48 — Failure to file statements as misdemeanor--Determination of tax
Every person severing precious metals in this state who fails to file the required statements with the Department of Revenue is guilty of a Class 1 misdemeanor. If any person fails to file required statements, the secretary of revenue may determine the value of the precious metals severed and the amount of tax due.
Source: official text