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Avalara Help Center

How can I resolve the error Header and line tax override cannot be combined?

Overview

You are trying to create/adjust a transaction in the Admin Console and the system will not let you save it.

Environment

Avalara AvaTax

Resolution

  • You can use an override on the Lines tab or the Document tab, but not in both places:
    • Decide which override you would like to use > remove the override on the other tab