GSTR-9 annual return filing involves reporting of information about your purchases, sales, input tax credits, refunds, etc, for a financial year. There are chances that you might come across errors while filing GSTR-9. One such error is RET00009 error in GSTR 9 for return already under process. In this article, we will explore the reasons behind the GST error code RET00009 and provide you with solutions for the RET00009 error in GSTR 9.
Key takeaways
- RET00009 error in GSTR-9 is most common system error that one may face while filing GSTR-9 due to unstable internet/temporary glitch on GST portal/re-submission too quickly.
- RET00009 in GST typically appears with a message like “Return already under process. If persists, quote error number RET00009 when you contact customer care.”
- The GSTN portal thinks your GSTR-9 for that year is already under processing.
- It may also occur where GSTR-9 has already been submitted, and you are trying to re-submit it again or too quickly.
- Wait 24 hours before re-submission of GSTR-9 return. Check status of GSTR-9 filing before re-submission attempts. If status is ‘Filed/Submitted’, there is no need to re-submit even if you have get RET00009 error.
There are several reasons why your team may bump into an GSTR-9 error such as the RET00009 error. Once the system detects this, error number RET00009 is displayed on our screen.
Once you get the GST error code RET00009, you can take a few steps to solve the RET00009 error in GSTR 9. You can start by waiting at least 24 hours for the system to complete your request. Keep checking the status of your return file by logging into the GST portal (“Services → Returns → View e‑Filed Returns”).
If the error continues, quote the error number RET00009. Alternatively, you can consider raising a ticket. Provide a screenshot and the event's timestamp as part of the ticket submission.

Navigating through GST return filing requires vigilance and prompt action, and with the right knowledge, you can overcome challenges like the RET00009 error in GSTR 9. By staying informed and following the recommended solutions, you can ensure a smoother and more efficient filing process, contributing to overall compliance with GST regulations.
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