South Dakota Administrative Rules — Title 64 (Revenue)
ARSD § 64:47:02:04 — Extension of time for filing
To request an
extension of filing time, an applicant must send a letter explaining the reason
for the delay to the department. Any request for an extension must be
postmarked no later than July 1. Unless otherwise stated by the secretary, all
extensions of filing time are for a period of 14 days from the date the
claimant receives notice of the extension.
Source: official text