How do I change my filing frequency (monthly ↔ quarterly) on the GST portal?

1. Log in at gst.gov.in with your GST portal credentials.

2. Go to Services → Returns → Opt-in for Quarterly Return.

3. Select the financial year and quarter, choose Quarterly or Monthly, and save.

4. Mind the window: you can change frequency for a quarter from the 1st day of the second month of the previous quarter until the last day of the first month of that quarter. Example: to file quarterly for Oct-Dec, opt in between 1 August and 31 October.

5. Eligibility for quarterly: previous-FY aggregate turnover up to ₹5 Cr, and your last due return must be filed. Cross ₹5 Cr during the year and you must switch to monthly from the next quarter.

6. Finally, update the same choice in AprilTax - open your business and use Edit next to the business name to switch Monthly/Quarterly, so your filing journey matches the portal.

💡 The choice carries forward automatically every quarter - you don't need to re-opt each time unless you want to change it. Official reference: GST portal manual - Change Profile for Quarterly Return (QRMP).