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# If my organization has more than 50 tax authorities, how do I set up Sales Tax Automation?

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If your organization has more than 50 tax authorities, complete the bulk tax authority mapping before you set up Sales Tax Automation.

*   Go to **Settings**.
*   Select **Taxes** under _Taxes & Compliance_.
*   Click **Set Up Sales Tax Automation**.
*   In the _Map Tax Authorities to setup_ pop-up, click **Export File** to export all the tax authorities in your organization as an XLSX file.
*   Map each existing tax authority to a system-recognized tax authority in the exported file.
*   Click **Choose File** to upload the mapped tax authorities XLSX file, or drag and drop it.
*   Click **Import**.

Once the tax authorities are mapped, continue with [Sales Tax Automation setup](/en-us/commerce/help/tax-automation/#Set-Up-Sales-Tax-Automation).