A free collection of validation tools for state, local, sales, and use tax

Depending on what the states have made available online, these tools help you verify:
  • business licenses
  • sales tax permit numbers
  • resale certificates
  • exemption certificates
  • sales tax licenses
  • permit licenses
abr state title instructions updated
view AL Alabama Exemption Certificate Verification No need to log in. Under the 'Business' heading, click on 'Verify an Exemption Certificate' 4/24/2018
view AR Arkansas Sales Tax Permit Verification No need to log in. Click on 'Inquires' then 'Validate Sales Tax Permit.' 11/16/2017
view AZ Arizona Transaction Privilege Tax License Number Verification No need to log in. Click on 'License Verification.' 11/16/2017
view AZ Arizona Use Tax Direct Payment Permit Holders A simple list of use tax direct payment permit holders and their TPT license numbers. 11/15/2017
view CA California Verify a Permit, License, or Account No need to log in. Click on 'Verify a Permit, License, or Account' in the 'Registration' section. Select the type of activity for the number you wish to verify. Please note that seller's permit numbers must be 9 digits long. 5/9/2018
view CO Colorado License Or Certificate Verification No need to log in. Click on 'Verify a License or Certificate' in the 'Additional Services' section. 11/15/2017
view CT Connecticut Direct Payment Permit Holder List A simple list of taxpayers that have been issued a direct payment permit by the Department of Revenue Services. 11/17/2017
view DC District of Columbia Sales and Use Tax Certificate or Exemption Certificate Verification No need to log in. Click on 'Exemption/Certificate Search' in the 'Business' section. 11/15/2017
view FL Florida Certificate Verification Enter any characters in the 'Contact Name' field and the form will work. Information may have to be entered twice to get a result. 11/15/2017
view GA Georgia Sales Tax Number Verification No need to log in. Click on 'Sales Tax IDs' in the 'Searches' section. 11/15/2017
view HI Hawaii Tax License Verification No need to sign in. Click on 'Search Tax Licenses' in the 'Search' section. 11/15/2017
view ID Idaho Seller's Permit Validation No need to log in. Click on 'Validate Seller's Permit' in the 'For Businesses' section. 11/15/2017
view IL Illinois Registered Business or Sales Tax Exemption Number Verification No need to log in. Click on 'BUSINESSES.' Click on 'Verify a registered business' or 'Verify a Sales Tax Exemption number (E-number)' 11/15/2017
view KS Kansas Exemption Certificate Number Verification Enter your Sales or Use Tax Registration number and the Exemption Certificate number you wish to verify. 11/15/2017
view KS Kansas Tax Entity Exemption List A list of entities and organizations (listed by statute) that are authorized to receive a tax-exempt entity exemption certificate from the Kansas Department of Revenue. 11/15/2017
view LA Louisiana Resale Certificate Verification Enter any characters in the 'Seller's Business Name' and the 'Buyer's Business Name' fields and the form will work. Louisiana Account Number has to be entered twice in both the 'Seller's Louisiana Account Number' field and the 'Buyer's Louisiana Account Number' field to get a result. 11/16/2017
view MA Massachusetts Sales Tax Resale Certificate Verification No need to log in. Click on 'Verify sales tax resale certificate' in the 'Business' section. You may enter the Buyer's ID or FEIN twice in order to get a result. 11/16/2017
view MD Maryland Sales And Use Tax Number or Exemption Certificate Number Verification Enter the 'Maryland Sales And Use Tax Number' or 'Exemption Certificate Number' you wish to verify. 11/16/2017
view MD Maryland Direct Pay Permits Verification A simple list of numbered and unnumbered direct pay permit accounts. 11/16/2017
view ME Maine Resale Certificate or Exemption Certificate Validation Enter the resale certificate number or the exemption certificate number you wish to verify. 11/16/2017
view MS Mississippi Permit Number Verification No need to log in. Click on 'Verify a Permit Number ...' under the heading 'I WANT TO...' 11/16/2017
view NC North Carolina Direct Pay Permits and Exemption Certificate Numbers Verification Enter the direct pay permit number or the exemption certificate number or the taxpayer name you wish to verify. If the taxpayer's name is being used, it has to be entered exactly the same as it is in the system. 11/16/2017
view NC North Carolina Sales and Use/Mill Machinery Privilege Tax Numbers Verification Enter the account ID or the taxpayer name you wish to verify. If the taxpayer's name is being used, it has to be entered exactly the same as it is in the system. 11/16/2017
view ND North Dakota Sales & Use Permit Verification Enter the permit number or Streamlined Sales Tax ID you wish to verify. 11/16/2017
view NJ New Jersey Holders of Direct Payment Permits A simple list of direct payment permit holders. 11/16/2017
view NJ New Jersey Registration Verification Enter 'Name Control' and 'Taxpayer Identification Number' or 'Business Entity Identification Number.' 11/16/2017
view NM New Mexico CRS Verification No need to login. Enter the 'CRS ID,' the Buyer's 5 digit zip code, and the last 4 digits of their FEIN. 11/17/2017
view NV Nevada Reseller Permit Verification Enter the Business Name, Business Permit Number (TID), or the Business Address. If using the permit number, do not enter letters only numbers, 13-digit number. 11/16/2017
view NY New York Certificate of Authority Number Verification After passing the security check, enter the certificate of authority number you wish to verify. 11/17/2017
view OH Ohio Active Vendors List Under the 'Table of Contents' click on 'List of Active Vendors,' this will download a spreadsheet with multiple lists of active vendor numbers. Each tab contains a different list of active vendor numbers. 11/17/2017
view OK Oklahoma Permit Verification Enter the Exemption Account ID, Permit Number, or the Sales Tax Account ID you wish to verify. 11/17/2017
view PA Pennsylvania Direct Pay Permit Holders A simple list of direct payment permit holders. 5/31/2018
view TN Tennessee Sales & Use Tax Certificate Lookup No need to login. Under 'Look Up Information' select 'Verify a Sales & Use Tax Certificate,' then select the certificate type and enter the exemption number. 6/8/2018
view TX Texas Sales Taxpayer Verification Enter the Taxpayer ID or the FEIN you wish to verify. 11/17/2017
view TX Texas Direct Pay Verification Enter the Taxpayer Number or the Entity Name you wish to verify. 11/17/2017
view TX Texas Exempt Entity Verification Enter the Taxpayer Number or Organization Name you wish to verify. 11/17/2017
view TX Texas Ag/Timber Registration Enter the necessary information of the company you wish to verify. 5/9/2018
view WA Washington Reseller Permit Verification Select Business Lookup and search by Reseller Permit. 3/21/2018
view WI Wisconsin Account Number Verification No need to login. Select 'Quick Links' and under 'Business Taxes' select 'Search Account Number/Filing Frequency.' Select an option under 'Withholding or Sales & Use?' and 'ID Type.' Enter ID, business name, and the zip code of the account you wish to verify. 11/17/2017

This list is maintained by SALTcert, a powerful cloud solution for efficiently managing your company's sales tax exemption and resale certificates. All validation applications are provided by the individual states. We try to provide helpful tips, learned through our own use of these tools. If any information on this site is not correct, please let us know.