Audit Program Links

For links to each state’s main Department of Revenue page, please see our Member States page. 

U.S. Department of Health & Human Services – OAS RAT-STATS SoftwareDefense Contract Audit Agency (DCAA): EZ-Quant Statistical Analysis SoftwareWill Yancey, PhD, CPASampling Methodologies from the Comptroller of the Currency

AlabamaSales and Use Information Administrative Law Judge RulingsCode of Alabama 1975ArkansasLocal Sales and Use InformationArkansas CodeColoradoSales/Use Tax Rates​South CarolinaLocal Sales and Use Tax RatesTennesseeLocal City Rates

UtahQuarterly Sales Tax Rate ChangesSales and Use Tax RatesSales Tax Rate CardsSales Tax LookupWest VirginiaSales and Use Tax InformationTax Regulations WisconsinAdministrative CodeStatutes and AnnotationsPublicationsSales Tax Rates