Twelve of the fourteen fields
Shown in full below. The PDF adds the two conditional fields and a worked example.
Set once in Finance › Company details; appears on every document.
Series and prefix are configured per branch, with no gaps allowed.
Locked at the moment of issue, not the date the draft was created.
Pulled from the client record, snapshotted onto the invoice.
Determines whether CGST/SGST or IGST applies.
Held on the product or service record and carried onto the line.
Calculated before tax, shown separately from the total.
CGST, SGST, IGST and cess itemised rather than combined.
A flag on the client record when reverse charge applies.
Generated automatically in the invoice template.
Uploaded once; applied to every issued invoice.
Required where the invoice is not raised in INR.
This is not tax advice
Requirements differ by turnover, place of supply and whether reverse charge applies. This checklist reflects the common case for a services business invoicing within India. Your accountant remains the authority, not us.