GST/HST filing and payment deadlines are generally due one month after the end of your assigned reporting period (monthly, quarterly, or annually). For example, a quarter ending September 30 requires filing and payment by October 31. Annual filers with a December 31 year-end typically pay by April 30.
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.
GST payment is to be made when the GSTR 3 is filed i.e by 20th of the next 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.
Mandatory registration threshold: The $30,000 rule
Let's say you earned $30,000 by March 15, 2025, from the day you started on July 1, 2024. That means you are no longer a small supplier; from that day on, you are required to register and charge GST/HST on all taxable sales.
An offender not paying tax or making short payments must pay a penalty of 10% of the tax amount due subject to a minimum of Rs. 10,000. Consider — in case tax has not been paid or a short payment is made, a minimum penalty of Rs 10,000 has to be paid. The maximum penalty is 10% of the tax unpaid.
You have a choice to register or not if it's less than that. You must register for GST if you reach the $75,000 turnover threshold or if it looks likely that you will exceed it. Once you've passed the turnover threshold, you must register within 21 days.
Payments mandate a GST portal challan; online modes are preferred for amounts over ₹10,000, with 1% cash payment required if monthly turnover exceeds ₹50 lakh for some cases. Late fees apply at ₹200/day (₹100 CGST + ₹100 SGST), and interest at 18% p.a. on delays.
Using the wrong tax codes or accounting method
Many GST mistakes are the result of using incorrect tax codes or the wrong accounting method: Tax codes: If a GST-free sale is coded as taxable in your accounting system, you'll pay GST unnecessarily. If a taxable sale is coded GST-free, you'll underpay.
Businesses are required to register for GST and pay tax on their annual turnover if their annual revenue exceeds Rs. 40 lakhs in the case of goods supplied and Rs. 20 lakhs for the supply of services.
Subtracting GST from Price
To calculate how much GST was included in the price, divide the total price by 11 ($1000∕11=$90.91). To calculate the price without GST, divide the price by 1.1 ($1000∕1.1=$909.09).
If the taxpayer is unable to pay GST on time due to some reason, an interest is charged on the GST payment. An interest on late payment of GST is of 18% per annum and will be charged for the days after the due date.
GSTR-1: Filed quarterly, by the 13th of the month following the quarter. GSTR-3B: Filed quarterly, by the 22nd or 24th (depending on the state). Tax payment: Made monthly using Form PMT-06.
You can elect to report and pay GST annually. You can only use this method if you are voluntarily registered for GST. That is, you are registered for GST and your turnover is under $75,000 (or $150,000 for not-for-profit bodies).
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.
Monthly GST filers → Pay GST by the 20th of next month. QRMP (Quarterly) taxpayers → Pay tax by the 25th, using the fixed-sum or self-assessment method.
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.
Total late fee of ₹100 per day, which is equally distributed between CGST (₹50) and SGST (₹50). The GST late fee is limited to ₹5,000 per type of return, but can quickly accumulate in case of several returns being late.
Preparing Your GST Return
We recommend assembling supporting documents, such as sales invoices and expenses, and records of GST collected and paid. You should also calculate your output taxes and input taxes. Accounting software such as Xero can streamline this process and improve tracking and reporting.
As most people who are self-employed, freelance, or running a business in Canada, there is an income limit below which you don't have to be registered for the GST/HST. That limit, known as the Small Supplier Threshold, is $30,000 per year (specifically: in four consecutive calendar quarters).
Short answer. If you're registered for GST, you must charge and collect GST. Sole traders and businesses who estimate they'll make $75,000 or more in business income in any given 12-month period have to register for GST.
Businesses that collect GST are required to pay it (less any credits) to the ATO either monthly, quarterly or annually depending on their turnover. Where the payment has not been made, the ATO will contact you. Interest, currently 8.96% p.a. calculated on a daily rate, will be added to the overdue amount.
Penalties for a late GST return
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. The penalty is due for payment before the 28th of the month after the return was due.
Filing is mandatory for all GST taxpayers. Returns must be filed on the GST portal monthly, quarterly, or annually, depending on the taxpayer's classification. GST Return is mandatory for all GST-registered businesses. Regular taxpayers file GSTR-1, GSTR-3B monthly or quarterly, plus annual returns (GSTR-9/9C).