Issue taxonomy
Sort the mismatch list so the reader sees the common problems first and can map the right fix to each one.
Reference page
Common GSTR-2B Mismatches and How to Fix Them
This is the page buyers and practitioners will use when they are trying to make sense of a noisy exception queue. The writing should be operational and exact, because the searcher already has a problem and wants the quickest possible explanation.
The page should function like a mismatch reference guide. Each issue type should have a cause, a detection method, a correction path, and a filing consequence so the user can act quickly.
Operational fixes
Explain what the reviewer should do next, not just what the error is.
Filing consequence
Show which cases affect the claim immediately and which cases can be reviewed before the period closes.
The mismatch types that matter most
In practice, a GST team will see a small set of repeated failure modes. Missing invoices show up when the vendor has not reported the invoice in the expected period. Duplicate claims happen when the same invoice is entered twice in books. GSTIN mismatches often come from master-data or vendor formatting issues. Tax differences are usually small but still need confirmation. The page should treat these as repeatable operational patterns, not one-off surprises.
- Missing invoices from late vendor filing.
- Duplicate rows in the books-side register.
- GSTIN mismatches and identity drift.
- Tax amount differences and rounding noise.
How to present the fix
Each mismatch block should answer four things: why it happened, how to detect it, what the reviewer does next, and whether the ITC can be claimed now or later. That structure is what makes the page useful for AI citations and for humans under time pressure.
- Cause.
- Detection.
- Correction.
- Claim impact.
How the page should convert
A mismatch reference page converts when it points to a live workflow. The user should see the sample mismatch page, the sample report, and the demo reconciliation flow. The page should feel like the practical answer to the query they just typed.
- Add a CTA to the demo page.
- Link to the sample mismatch gallery.
- Link to the checklist and ITC mismatch guide.
Common mismatch type versus action
| Mismatch | Cause | Action | Immediate filing impact |
|---|---|---|---|
| Missing invoice | Vendor has not reported it | High | Follow up and recheck the period |
| Duplicate claim | Same invoice appears twice in books | High | Remove duplicate before sign-off |
| GSTIN mismatch | Incorrect master-data value | High | Normalize vendor data |
| Tax delta | Small value difference | Medium | Check rounding or credit note |
| Portal-only entry | Invoice visible in 2B but not books | Medium | Investigate booking delay |
Frequently asked questions
Which mismatch should be reviewed first?
Start with the cases that could affect the claim immediately, such as missing invoices, duplicates, and GSTIN errors.
Can the same mismatch have more than one cause?
Yes. A tax difference can come from rounding, a credit note, or an entry error, so the reviewer needs the reason code and the invoice context.
Why include sample pages on this page?
Because the page is meant to educate and convert. The sample pages prove the workflow visually.
Next step
Open the app, run a sample reconciliation, and see the report structure.