If any real property has been assessed and the entry is canceled by the United States government or the state, and the real property has been sold for taxes to a purchaser, the county shall refund to the purchaser, the purchaser's heirs, assigns, or personal representatives, the amount paid on the real property and any subsequent taxes paid to protect the tax certificate, with interest as provided in § 10-23-14.
SDCL 10-23-15