You pay GST when you buy taxable goods/services (added to price) and businesses pay/remit it to the government periodically (monthly, quarterly, annually) based on their turnover and country's rules, typically a month after the reporting period ends, after deducting input tax credits.
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.
Generally, registered persons must file monthly returns in GSTR-3 and pay taxes by the 20th of the following month.
Both GST returns and payment are due one month after the end of the accounting period covered by the return. If you are on GIRO plan for GST payment, GIRO deductions are on the 15th day of the month after the payment due date.
Mark these CRA GST payment dates on your calendar: January 5, 2026. April 2, 2026. July 3, 2026 (new benefit year + increase)
If you're filing your GST every two months, your due dates will be:
When to register for GST. If you've started a new business, you should register if you expect your GST turnover to reach $75,000 in the first year. You have to register for GST within 21 days of becoming aware that your GST turnover will go over the threshold.
Federal individual income tax payments are generally due April 15th, but if you're self-employed or have other income without withholding, you must make quarterly estimated payments (around April 15, June 15, Sept 15, and Jan 15) to avoid penalties, with the main 2025 return deadline for individuals being April 15, 2026. Remember, an extension to file (until Oct 15) is not an extension to pay; you must pay any owed tax by the April deadline.
From April 1, 2025, Input Service Distributor (ISD) registration will be compulsory for businesses having multiple Goods & Services Tax Identification Numbers (GSTINs). The time limit for the validity of an E-Way bill will be 180 days, and it can be extended to 360 days.
Penalty on Missing the GST Due Date:
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.
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. ...
Penalties for a late GST return
GST returns are due every two months or six months, depending on the option you chose when you registered. You'll be charged a penalty for late filing – $50 if you're on the payments basis; $250 if you're on the hybrid or invoice basis.
GST payment is to be made when the GSTR 3 is filed i.e by 20th of the next month.
You might have to pay IRS penalties and interest if you file your federal income tax return after the April deadline, your due date isn't extended, and you end up with a tax bill. First, the IRS charges a 5% penalty per month on any tax due if your return is filed late. The penalty is capped at 25% of the tax owed.
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.
Payment of taxes by the normal tax payer is to be done on monthly basis by the 20th of the succeeding month. Cash payments will be first deposited in the Cash Ledger and the tax payer shall debit the ledger while making payment in the monthly returns and shall reflect the relevant debit entry number in his return.
GST is leviable only if aggregate turnover is more than 20 lacs. (Rs. 10 lacs in 11 special category States). For computing aggregate supplies turnover of all supplies made by you would be added.
Goods and services tax / harmonized sales tax ( GST / HST ) credit
Section 80 and Rule 158 allow businesses to pay GST dues in installments, which in turn helps them overcome cash flow challenges. Taxpayers are required to apply through the GST portal, submit Form GST DRC-20, and justify their request with the help of financial proof.
It must be filed at the beginning of every financial year by the 31st of March. The due date to file CMP-02 for FY 2025-26 was 31st March 2025. The due date to file CMP-02 for FY 2026-27 is 31st March 2026.