GSTR-3B vs GSTR-2B ITC Mismatch in Zoho Books: How to File

Short answer

Claim only what shows in GSTR-2B. Example: your bills for the month carry 30,000 of GST, but GSTR-2B shows only 10,000. In GSTR-3B you claim 10,000. Zoho Books fills the 3B summary from your bills, so it will show 30,000. Bring it down to 10,000 with Adjust ITC before you push the return. The other 20,000 is not lost. When you mark the return as filed, Zoho Books moves it to the ITC Reversal/Reclaim account, as credit still to come. You claim it in the month it appears in GSTR-2B.

How to do it

Find what GSTR-2B allows

Go to GST Filing, choose the month under GST Summary For and click View Summary.
Go to the GSTR-2B section and click Fetch Summary. Enter the OTP if the GST portal asks.
Open the reconciliation. The Missing in GSTN tab lists bills that are in Zoho Books but not in GSTR-2B. In the example, these bills carry the 20,000.
Write down each of those bills: vendor, bill number, date and tax amount.

Bring GSTR-3B down to the GSTR-2B figure

Go back to GST Filing and click View Summary next to GSTR-3B Summary.
Scroll to the 4th table, Eligible ITC. In the row (A) ITC Available, find All other ITC. It shows 30,000, from your bills.
Click Adjust ITC next to it and bring the figure down to the GSTR-2B figure, 10,000, split correctly into IGST, CGST and SGST.
Check that (C) Net ITC now shows 10,000. Then push to the GST portal, pay and file as usual.
Mark the return as filed in Zoho Books. That is when Zoho Books passes its automatic entries: the set-off of input credit against output tax, and the move of the 20,000 you held back to the ITC Reversal/Reclaim account.

Claim the 20,000 when it comes

Each month, fetch GSTR-2B again and check the bills you wrote down.
In the month a bill appears in GSTR-2B, its credit is in that month’s 2B but not in that month’s bills in Zoho Books. Use Adjust ITC to add it, so 3B again equals GSTR-2B.
If the vendor has not filed, call him. The credit comes only after he reports the bill against your GSTIN.

Entries in your books

1. When you enter the bills

Zoho Books passes this itself when you save the bills. The example is a purchase within your state, so the tax is CGST and SGST in equal halves.

Account	Debit	Credit
Purchases	Bill value
Input CGST	15,000
Input SGST	15,000
Vendor		Bill value + 30,000

2. When you file GSTR-3B and mark it as filed

Zoho Books passes these itself, at the moment you click Mark as Filed. Not when you adjust, and not when you push. First, the set-off of what you claimed, 10,000:

Account	Debit	Credit
Output CGST	5,000
Output SGST	5,000
Input CGST		5,000
Input SGST		5,000

Second, because you adjusted the ITC, the 20,000 you did not claim moves out of Input CGST and Input SGST into the ITC Reversal/Reclaim account. That balance is the credit still to come. If you change the adjustment later, you have to mark the return as unfiled, change it, and mark it as filed again.

3. In the month the bills appear in GSTR-2B

Add the 20,000 in that month’s 3B with Adjust ITC. When you mark that return as filed, Zoho Books takes it out of the ITC Reversal/Reclaim account and sets it off with that month’s own credit. No manual entry.

4. If the bills never appear before the last date

Pass this journal yourself in Accountant → Manual Journals. The credit is now a cost.

Account	Debit	Credit
Purchases	20,000
ITC Reversal/Reclaim		20,000

For a purchase from another state, read Input IGST and Output IGST in place of the CGST and SGST accounts above.

Important points

Holding the tax invoice is not enough. The credit can be claimed only when the bill appears in your GSTR-2B. Claiming the full 30,000 now means paying it back later with interest.

Do not edit or delete the bills to make the figures match. The bills are correct. The difference is only timing, and the bills are what prove your claim later.

In your books the 20,000 is an amount the government still owes you, not an expense. It sits in the ITC Reversal/Reclaim account until it is claimed in 3B.

There is a last date under GST law for claiming the credit of a financial year. If a bill still has not appeared in GSTR-2B by then, the credit is gone. Move it from the ITC Reversal/Reclaim account to expense with a journal, and take it up with the vendor. See ITC in books but not in GSTR-2B for following up with vendors.

How to check in your books. After you mark the return as filed, open the ITC Reversal/Reclaim account in the Chart of Accounts. Its balance should equal the credit you held back and have not yet claimed. In the example, 20,000. It should also agree with your list of bills from the Missing in GSTN tab. If the balance is more, credit is being missed and nobody is following it up. If it is less, more was claimed in 3B than GSTR-2B allowed.

Common questions

Can I claim the full 30,000 because I have the tax invoices?

No. Only the credit that appears in your GSTR-2B can be claimed. The 20,000 can be claimed in the month the vendor reports those bills and they appear in GSTR-2B.

Is the 20,000 a loss in my books?

Not yet. It sits as a balance in the ITC Reversal/Reclaim account, as credit still to come. It becomes a cost only if the bills never appear in GSTR-2B before the last date for that financial year.

Why does Zoho Books show 30,000 in the GSTR-3B summary?

Because Zoho Books fills the summary from the bills you have entered for the month. GSTR-2B is what the GST portal allows. Use Adjust ITC to bring the summary in line with GSTR-2B before you push it.

When does Zoho Books pass the automatic GST entries?

Twice. When you save a bill, the input tax goes to Input CGST, SGST or IGST. When you click Mark as Filed on GSTR-3B, Zoho Books sets off the input credit against output tax and moves any adjusted ITC to the ITC Reversal/Reclaim account. Adjusting the ITC or pushing the return does not post anything by itself.

The vendor filed late. How do I claim the 20,000 now?

In the month the bills appear in your GSTR-2B, add that credit to that month’s GSTR-3B with Adjust ITC. Then check that the ITC Reversal/Reclaim balance has come down by the same amount.

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