What are the last dates for filing GST1 and GST3B, and how do you file them on the portal?

Question

Accepted Answer

GST1 and GST3B filing deadlines vary; filing is done through the GST portal with specific steps.

GST1 is a monthly return for outward supplies, while GST3B is a summary return for both inward and outward supplies.
The due date for GST1 is usually the 10th of the following month, and for GST3B, it is the 20th.
For example, for the month of September, GST1 is due by October 10, and GST3B by October 20.
To file, log in to the GST portal, navigate to the Returns section, select the appropriate return type, and fill in the required details.
After filling, submit the return and make any necessary tax payments to complete the filing process.

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