sales tax codes explained

Which code to use on each line, and where it ends up.

Updated November 3, 2026 · Plain 0.110.0

Every invoice, bill and credit note line has a sales tax code. The code decides how much sales tax is charged and where the line goes on your sales tax report.

CodeNameUse it for
EXTERNAL_TAXSales tax (added separately)Taxable sales where you add the tax yourself as a line
EXEMPTExemptSales to exempt buyers with a certificate
NON_TAXABLENon-taxableServices or goods not taxed in your state