20:06:29:03Cancellation refunds.
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
An insurer shall issue and mail any refund due the insured within 20 days after the insurer receives a request for cancellation or, if the insurer cancels the policy, within 20 days after the effective date of the cancellation.
Source: 22 SDR 52, effective October 25, 1995.