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Avalara Help Center

What tax codes can be used with Streamlined Sales Tax?


You are using Avalara as your streamlined sales tax certified service provider (CSP) and you want to know which tax codes you can use with SST.


Avalara AvaTax



  • SST approved tax codes are found in the toolkit on this page: Select Avalara Tax Codes
    • The AvalaraAvaTaxSystemTaxCodesinExcellFormat SST Only.xls found in the toolkit includes only tax codes available for your use.
    • Any non-SST approved tax codes will be taxable at the full local rate in all registered SST states.