The department will accept claims for refunds no earlier than January 1, of the year following the claimant's tax year. All claims for refund must be filed no later than May 1, next following the claimant's tax year.
S.D. Admin. R. 64:47:01:03
General Authority: SDCL 10-45A-16.
Law Implemented: SDCL 10-45A-8.