The tax imposed upon contractors performing realty improvement contracts for those persons subject to tax under chapter 10-28, 10-33, 10-35, 10-36 or 10-36A or any municipal telephone company subject to chapter 9-41 or any rural water system is not subject to this chapter and the contracts are subject to the contractors' excise tax imposed by chapter 10-46B.
SDCL 10-46A-1.2