A retailer is relieved of any liability for failing to collect a tax pursuant to this chapter at a new effective rate if the state fails to provide a period of at least thirty days between enactment of the statute providing for a rate change and the effective date of the rate change if:
This section does not apply if the retailer fraudulently failed to collect the tax at the new rate or solicited purchasers based on the immediately preceding effective rate.
SDCL 10-45-111