GST submission deadlines depend on the jurisdiction and filing frequency (monthly or quarterly). In Singapore, quarterly returns are due on the last day of the month following the quarter (e.g., April 30, July 31) IRAS. For Indian GSTR-3B, it is usually the 20th of the next month SAG Infotech Official Tax Blog, while annual returns (GSTR-9) are generally due by December 31st of the following year ClearTax.
The GST return due date to file these annual returns is 31 December following the end of the financial year. For example, for the financial year 2024-25, the GST filing last date will be 31st Dec 2025.
For GST, the CRA filing and payment deadline is 3 months after your fiscal year end. For GST filed and paid annually, the CRA payment deadline is April 30 and the filing deadline is June 15. For GST filed and paid monthly and quarterly, the CRA filing and payment deadline is one month after the reporting period.
GST Notification 17/2025-Central Tax dt. 18-October-2025
Registered taxpayers can now file their GSTR-3B for the month of September 2025 or the quarter of July–September 2025 by October 25, 2025, instead of the earlier due date.
The return for September 2025 may now be filed till October 25, 2025, and similarly, for taxpayers filing quarterly returns (July–September 2025 quarter), the due date is also extended to October 25, 2025.
The CRA will make these payments on the 5th day of July and October 2025, and of January and April 2026. However, if your GST/HST credit calculated in July 2025 is less than $50 per quarter, the CRA will pay you for the entire payment period in July 2025.
Tax bodies are demanding an extension because “For FY 2024–25, the format, instructions and disclosure requirements of Forms GSTR-9 and GSTR-9C were revised through multiple notifications issued during the year, including those released in June 2024, December 2024 and mid-2025.
06/2025 dated 17 October 2025, the Ministry extended the filing deadline for financial statements and annual returns pertaining to FY 2024-25 to 31 December 2025, without any additional fees. The original statutory deadlines were: Financial statements (Form AOC-4 series): 30 October 2025 (within 30 days of AGM)
Therefore, upon non –filing of GST returns or missing out the GST due dates, the GST law prescribes a general penalty. The maximum penalty that may be imposed is Rs. 5,000. The taxpayer will be required to pay interest on late payment of GST at a rate of 18% annually in addition to the late payment penalty.
For the 2025 tax year (filed in 2026), the federal tax extension deadline to file your Form 1040 is October 15, 2026, after getting an automatic six-month extension by filing Form 4868 by the original April 15, 2026 due date, though payments were still due April 15, 2026, to avoid penalties.
Effective October 1st, 2025, a new set of rules for GST return filing will come into effect. This marks the first filing cycle under the GST 2.0 reforms, aimed at improving transparency, control, and accuracy in Input Tax Credit (ITC) management through the Invoice Management System (IMS).
Here are some of the primary and most common errors made by enterprises, and this is how you can fix them as well.
You must file a GST return for every taxable period using the accounting basis you've chosen, even if it's a nil return. You cannot get an extension of time to file a GST return, so you must file it on time. A GST return is due by the 28th of the month after the end of your taxable period.
The last date to file a belated return for FY 2024–25 is December 31, 2025, unless extended by the government.
The due date for filing Form GSTR-9 for a particular financial year is 31st December of subsequent financial year or as extended by Government through notification from time to time.
Income tax return last date for FY 2024-2025 (AY 2025-26) The last date for filing income tax returns for FY 2024-25 (AY 2025-26) is extended to 16 September 2025 from 15 September 2025 for regular taxpayers (such as salaried individuals and those not requiring an audit).
The GST network issued another advisory on 7th June 2025, implementing the rule of time-barring of GST return filing beyond three years from the due date. By this update, taxpayers will not be able to file GST returns after three years from the due date of such return.
Grace periods typically range from 15 to 30 days. While technically a customer could wait until the exemption date to pay, insurers may still treat the premium as GST-inclusive based on the due date, not the payment date. ...
Interest, currently 8.96% p.a. calculated on a daily rate, will be added to the overdue amount. Where you cannot pay the overdue amount, the ATO will discuss a payment plan and whether the debts can be waived if there is financial hardship.
If a company's fiscal year-end is December 31 and they did have income for tax purposes that year, their payment deadline is April 30 and their filing deadline would be June 15. If a company's fiscal year-end is August 31, their payment and filing deadline would be November 30, whether or not they had taxable income.
The taxpayer shall file the refund application in Form GST RFD-01 on GST portal. Taxpayer shall choose ground of refund as “Refund of excess balance in Electronic Cash Ledger” for claiming refund.