1) The document outlines the stages and processes for filing GST returns and rectifying errors in previous returns. It discusses four stages of return filing and the options for adjusting liability and ITC in the current or subsequent month's returns. 2) Errors like under-reporting, over-reporting, or wrong reporting of liability and ITC can be rectified by making adjustments in the current return using the "Edit" facility or in subsequent month's returns. Negative entries are not allowed so remaining balances may be claimed as a refund. 3) Amendments can also be made by filing Table 9 of the subsequent month/quarter's GSTR-1 if the error also affected the original GSTR-1. The

1. Stage-1 Stage-2 Stage-3 Stage-4
Confirmed Submission
Electronic Cash Ledger
Updated
Offset Liability Return Filed
Liability & ITC Confirmed &
Submitted
Liability deposited Liability Offset by Debiting
Cash & Credit Ledger
Return Filed
Use "Edit" facility to add under
reported liability
Use "Edit" facility to add
additional liability & deposit
cash in Challan GST PMT-06 if
not sufficient balance in cash
ledger
Change in GSTR-1
If such liability was not reported in FORM GSTR-1 of the month/quarter, then such liability may be declared in the
subsequent month’s/quarter’s FORM GSTR-1 in which payment was made.
Liability Under-Reported
Earlier Modification was not allowed Earlier Modification was not allowed
Add Previous month additional liability &
deposit with Interest
Amendment / Corrections / Rectification of errors in GST Returns
In GSTR-3B no provisions for reporting of differential figures for past month(s), the said figures may be reported on net basis alongwith the values for
current month itself in appropriate tables i.e. Table No. 3.1, 3.2, 4 and 5, as the case may be. While making adjustment in the output tax liability or input tax
credit, there can be no negative entries in the FORM GSTR-3B. The amount remaining for adjustment, if any, may be adjusted in the return(s) in FORM
GSTR3B of subsequent month(s) and, in cases where such adjustment is not feasible, refund may be claimed. Where adjustments have been made in FORM
GSTR-3B of multiple months, corresponding adjustments in FORM GSTR-1 should also preferably be made in the corresponding months.
ERRORS AND STEPS NEEDED TO RECTIFY
Nature of Error & its
Adjustment
Stages of Return Filing GSTR 3B
Adjustments in CURRENT Return Adjustments in SUBSEQUENT MONTH Return

2. Stage-1 Stage-2 Stage-3 Stage-4
Confirmed Submission
Electronic Cash Ledger
Updated
Offset Liability Return Filed
Liability & ITC Confirmed &
Submitted
Liability deposited Liability Offset by Debiting
Cash & Credit Ledger
Return Filed
Use "Edit" facility to reduce over
reported liability
Use "Edit" facility to reduce
over-reported liability, offset
correct liability with cash
ledger and apply for extra
amount as refund or carry
forward for future liability.
Change in GSTR-1
Where the liability was over reported in the month’s / quarter’s FORM GSTR-1 also, then such liability may be
amended through amendments under Table 9 of FORM GSTR-1
Nature of Error & its
Adjustment
Stages of Return Filing GSTR 3B
Adjustments in CURRENT Return Adjustments in SUBSEQUENT MONTH Return
Liability Over-Reported
Earlier Modification was not allowed Earlier Modification was not allowed
Liability may be adjusted in return of
subsequent month(s) or refund may be claimed
where adjustment is not feasible

3. Stage-1 Stage-2 Stage-3 Stage-4
Confirmed Submission
Electronic Cash Ledger
Updated
Offset Liability Return Filed
Liability & ITC Confirmed &
Submitted
Liability deposited Liability Offset by Debiting
Cash & Credit Ledger
Return Filed
Use "Edit" facility to rectify
wrong liability reported
Use “Edit” facility to rectify
wrongly reported liability and
cash ledger may be debited to
offset new liability, where
sufficient balances are not
available in the credit ledger.
Remaining balance, if any may
be either claimed as refund or
used to offset future liabilities
Change in GSTR-1
(Source: Circular No. 26/26/2017-GST Dated 29 December 2017 issued by GST Policy Wing of CBEC: F.No.349/164/2017/-GST)
File for amendments by filling Table 9 of the subsequent month’s / quarter’s FORM GSTR-1.
Same process for Under-Reported ITC, Over-Reported ITC and Wrong Reported ITC be adopted
Liability wrongly
Reported
Earlier Modification was not allowed Earlier Modification was not allowed
Unreported liability may be added in the next
month‟s return with interest, if applicable. Also,
adjustment may be made in return of
subsequent month(s) or refund may be claimed
where adjustment is not feasible
Nature of Error & its
Adjustment
Stages of Return Filing GSTR 3B
Adjustments in CURRENT Return Adjustments in SUBSEQUENT MONTH Return