South Dakota Codified Laws — Title 10 (Taxation)
SDCL § 10-43-90 — Determining minimum tax imposed upon financial institutions engaged in the trust business
If a financial institution as described in § 10-43-88 has been authorized to engage in the trust business in South Dakota for fewer than twelve months, the annual minimum tax is five hundred dollars; for more than twelve months, but fewer than twenty - four months the annual minimum tax is two thousand dollars; for more than twenty - four months, but fewer than thirty - six months the annual minimum tax is five thousand dollars; for thirty - six months, but fewer than forty - eight months the annual minimum tax is ten thousand dollars; and for forty - eight months or more, the annual minimum tax is twenty - five thousand dollars.
Source: official text