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Avalara Help Center

What is the layout for the rate files?


You want more information on the rate file format so you can read the Avatax ISPI Rate files.


Avalara Rate files


  • MS Access files have headers which describe what each column is for
  • The csv files require a header file, attached here
    • If you file has commas, use the tab called 'CSV File Layout'
  • You can import your rate file into the above Excel file to view the file with the description of each heading.