S.D. Codified Laws § 31-29-60
Current with legislation signed by the governor on or before 3/6/2024
No sign, display, or device may be required to be removed unless at the time of removal there are sufficient funds appropriated and available to pay the affected parties just compensation after due allowance for any contribution that may be available from the federal government, and if the latter contribution is available for immediate payment.
SDCL 31-29-60