CSV Import: Cash Sale/Invoice/Sales Order > To update the Tax checkbox on Line Items > Tax field is unavailable on the field-mapping page

1.    Navigate to Setup > Accounting > Set Up Taxes

2.    Verify if the Per-Line Taxes on Transactions is enabled.

3.    If yes, unmark the checkbox.

4.    Hit Save.

 

Note: If you do not check this box, then NetSuite applies the same tax code or tax group to the entire transaction, and you can only specify whether an individual line item is taxable or not.