South Dakota Codified Laws — Title 10 (Taxation)
SDCL § 10-47B-28 — Remittance of tax on liquid petroleum gas in vehicle used on public roads
The tax imposed by § 10-47B-12 shall be remitted by the liquid petroleum gas user and is due on a semiannual calendar basis. The tax is due and payable by electronic transfer on or before the twenty-fifth day of the month following each period.
Source: official text