Structured tax details describe the transaction; printed headings only control how it looks.
1. Check the business registration
Open Business Profiles → Edit → Taxes. Review country, GST registration type, GSTIN, and the applicable business details.
2. Check the customer and supply
In the invoice’s Accounting panel, review the customer GST details, place of supply, and transaction treatment. Do not infer export treatment from a foreign address alone.
3. Enter line classifications
Use the actual item’s HSN/SAC and unit where required. To show the code on the document, add the HSN/SAC column in the template’s Table Columns.
4. Preview the result
Save and check the registration, line codes, tax breakdown, and total. Confirm uncertain tax treatment with your accountant.