No filing on the portal
Fint prepares figures; the person responsible files on the GST portal.
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Fint prepares figures. Filing on the GST portal is done by the person responsible for the return.
GSTR-1 tables and a GSTR-3B summary from your invoices, with 3B derived from 1.
Pick a period and get GSTR-1 tables from its invoices; GSTR-3B table 3.1(a) is calculated from them, so the two cannot drift apart.
Pick a date range, usually a month or a quarter, and Fint returns the GSTR-1 tables built from the invoices dated inside it. A common filing headache is a GSTR-3B outward supply figure that does not match what went out on GSTR-1. In Fint, table 3.1(a) of GSTR-3B is calculated from the GSTR-1 tables, so they cannot drift apart.
GST is set per book. If one login holds several businesses, each return is built from that book alone and figures are never combined across books.
| Table | What it holds |
|---|---|
| 4A | B2B supplies to registered buyers, by GSTIN |
| 5 | B2C large: inter-state invoices to unregistered buyers above the threshold |
| 6A | Exports |
| 7 | B2C small, as a summary |
| 8 | Nil rated and exempt supplies |
| 12 | HSN summary, split into B2B and B2C |
| 13 | Documents issued: invoice number series |
The total Fint reports is 4A plus 5 plus 7, which is the figure GSTR-3B 3.1(a) must equal. Zero-rated and nil supplies are counted separately, not inside it.
Stated plainly, because a summary that hides a gap is worse than none.

Fint prepares figures; the person responsible files on the GST portal.
Fint prepares figures. Filing on the GST portal is done by the person responsible for the return.
Reverse charge and the ITC split are not computed, and a warning says so.
Fint does not record purchases under reverse charge, so GSTR-3B 3.1(d) and the input tax credit split are not computed. The summary carries a warning saying so instead of showing zero.
Read the warnings returned with every summary before quoting a figure.
Every summary returns warnings with it. Read them before quoting any figure as final.
Run review checks for the period first, then lock it after filing so nothing dated inside can change until reopened.
Run the review checks for the same period first. They flag missing HSN codes, GSTIN problems, gaps in invoice numbering and suspected duplicate invoices, each with a plain explanation you can send to the client. Once the period is filed you can lock it, and nothing dated inside it can then be added or changed unless a person reopens it. If you look after several clients, see multi-book access for CA firms. If you need GST data pulled from another system, our GST and accounting automation service builds that.
No. It gives you checked tables to file from. Filing stays with you or your CA.
Fint does not record reverse charge purchases, so it cannot compute 3.1(d) or the ITC split. The warning on the summary says this; do not treat the blank as zero.
Yes. Table 12 is reported in two parts, B2B and B2C.
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