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This article is Regarding off-setting Gst Liability and payment of gst liability in specific heads like IGST , CGST and SGST.

When I First saw the From 3b in rules , I taught the offsetting of liability will be Automatic as the rules Tax set-off were already in built in provisions of GST and from the same page challan would be generated and payment would be made Thus setting-off the liability.

But The Procedure is different First we had to submit the Form 3B then Payment of tax would open then we had to create challan and the tax head appropriately if not the same would not be available for set-off ,after payment computing set-off tax liability .

Here is how set off works in case of GST –

IGST payments can be set off against – IGST, CGST, SGST on inputs

CGST payments can be set off against – IGST and CGST on inputs

SGST payments can be set off against – IGST and SGST on inputs

This computation would take lot of time

Reverse Charge Mechanism (RCM)

RCM has to compulsory for payment to be made for claiming input and cannot be set-off against existing input tax credit and uncertainty of input credit of Rcm can be claimed in Which month .But Input Of Rcm Claimed in Month which was expense was Incurred This view is supported by the answer by the Board Council in Frequently Asked Questions.The same is used in my excel sheet

Thus I have made a excel sheet to auto-calculate off-set and Payment calculation in specific heads  IGST, CGST, SGST With compulsory Payment of RCM.

Download GST 3B Payment and Offset Liability Calculator

Any Inquiries regarding the Sheet please Email me on

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Author Bio

I am Rajat Solanki and Currently Studying CA and I am working at MGIRT & Co. Bangalore View Full Profile

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  1. Devinder Singh Rana says:

    *CGST payments can be set off against – First with CGST on inputs & Balance with IGST on Inputs

    SGST payments can be set off against – SGST on inputs & Balance with IGST on Inputs.

    Kindly rectify it

  2. Madhukeshwar Hegde says:

    Calculator is good. One thing I observed that all RCM payable will not be claimed as Input tax credit. Eligible credit should be added to ITC. If such small change is updated, it is completed in all respect.

  3. Arun Mittal says:

    Dear Rajat,

    I am trying to test the calculator and liability set-off excel utility. But after filling in hypothetical values in the liability, it is not allowing any more values to be filled in IGST, CGST and SGST etc….please tell how to test it…

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May 2024