HST (Harmonized Sales Tax) filing in Canada involves calculating net tax total HST collected from customers minus Input Tax Credits (ITCs) for HST paid on business purchases and remitting the balance to CRA. The HST return (GST34) is filed online via CRA My Business Account. Filing frequency is quarterly for most small businesses (annual sales under $1.5M). The HST deadline is the last day of the month following the reporting period end. Late filing attracts a 5% penalty plus 1% per month.
In This Guide:
- 1. What is HST and When Must You Register?
- 2. HST Filing Frequency — Quarterly, Monthly, or Annual?
- 3. Input Tax Credits (ITCs) — What You Can Claim Back
- 4. How to File Your HST Return — Step by Step
- 5. HST Deadlines & Penalties for Late Filing
- 6. Types of Supplies — Taxable, Zero-Rated & Exempt
- 7. The Quick Method of Accounting for HST
- 8. HST Filing in Ontario vs BC vs Alberta
- 9. How DKP Global Manages HST Filing
- 10. Frequently Asked Questions (10 Q&As)
What is HST and When Must You Register?
HST (Harmonized Sales Tax) is a consumption tax combining the federal GST (5%) and provincial sales tax into a single tax, currently used in Ontario (13%), New Brunswick (15%), Nova Scotia (15%), PEI (15%), and Newfoundland (15%). In provinces without HST BC, Alberta, Quebec, Manitoba, Saskatchewan businesses charge GST (5%) separately and may also be required to collect a provincial sales tax (PST in BC, QST in Quebec, RST in Manitoba).
HST registration is mandatory when your business’s total worldwide taxable revenues exceed $30,000 in any single calendar quarter or in four consecutive calendar quarters. Once you cross this threshold, you have 29 days to register for an HST account (RT account) with CRA. Below the $30,000 threshold, you can voluntarily register and this is often advantageous, as it allows you to claim Input Tax Credits on business purchases immediately.
For Indian immigrant business owners setting up a new corporation in Canada, we recommend voluntary HST registration from Day 1 even before you hit the $30,000 threshold. Every business purchase you make (laptop, phone, software, office supplies) includes HST, and voluntary registration allows you to claim all of that HST back as an ITC from the very first day of business. DKP Global registers your HST account as part of every incorporation package.
2. HST Filing Frequency — Quarterly, Monthly, or Annual?
CRA assigns your HST filing frequency based on your annual taxable revenues. Here is the frequency table:
| Annual Taxable Revenue | Assigned Filing Frequency | Reporting Periods | Can Change? |
| $0 – $1,500,000 | Quarterly (default for small business) | 4 periods per year — Jan–Mar, Apr–Jun, Jul–Sep, Oct–Dec | Can elect monthly or annual |
| $1,500,001 – $6,000,000 | Semi-annual | 2 periods per year | Can elect monthly |
| Over $6,000,000 | Monthly | 12 periods per year | Cannot elect quarterly or annual |
| Under $1,500,000 (elected) | Annual | 1 period full calendar year | Must elect annual not automatic |
| New registrant (first year) | Quarterly (default) | 4 periods from registration date | Can elect monthly |
Most small businesses in Canada file HST quarterly 4 returns per year. Annual filing is available for very small businesses (under $1.5M revenue) and simplifies compliance but you must still pay instalment payments quarterly if your net tax for the prior year exceeded $3,000. DKP Global recommends quarterly filing for all new businesses it keeps the amounts manageable and prevents year-end HST surprises.
Input Tax Credits (ITCs) — What You Can Claim Back
The Input Tax Credit (ITC) is the mechanism that prevents HST from cascading through the supply chain. As a registered HST business, you can claim back the HST you paid on business purchases reducing the amount you owe CRA. The ITC system is one of the most valuable features of HST registration, and maximizing ITC claims is a key part of DKP Global’s bookkeeping service.
| Expense Category | HST Paid | ITC Claimable? | Notes |
| Business equipment (computers, printers, phones) | Yes — 13% in Ontario, 5% in Alberta | 100% ITC claimable | Must be used primarily for business |
| Office supplies and stationery | Yes | 100% ITC claimable | Receipts required — $30+ needs supplier name |
| Professional fees (accounting, legal) | Yes | 100% ITC claimable | Invoice must show HST registration number of supplier |
| Business meals and entertainment | Yes | 50% ITC claimable | HST ITC limited to 50% (matching income tax deductibility) |
| Vehicle expenses (business use) | Yes | ITC based on business-use percentage | Mileage log required to support business-use percentage |
| Home office expenses | Yes (on portion) | ITC on business-use percentage of home expenses | Only if home is primary place of business |
| Employee salaries and wages | No HST on salaries | No ITC claimable | Salaries are not subject to HST |
| Insurance premiums | No — insurance is HST-exempt | No ITC claimable | Financial services and insurance are exempt |
| Rent / commercial lease payments | Yes — commercial rent has HST | 100% ITC claimable | Residential rent is exempt; commercial rent has HST |
| Software subscriptions (SaaS) | Yes — if Canadian supplier | ITC claimable | US/foreign SaaS may not charge HST — no ITC available |
The most commonly missed ITCs are on professional service fees, SaaS subscriptions billed from Canadian providers, and vehicle expenses. DKP Global reviews every expense transaction monthly and tags all ITC-eligible amounts ensuring every dollar of claimable HST is recovered.
How to File Your HST Return — Step by Step
| Step | Action | Details |
| 1 | Gather HST records for the period | Pull all sales invoices (HST collected) and purchase receipts (HST paid) for the reporting period from Xero or QuickBooks. |
| 2 | Calculate total HST collected (Line 103) | Sum all HST charged on sales invoices during the period. In Xero/QuickBooks, this is the GST/HST Collected report. |
| 3 | Calculate total ITCs (Line 106) | Sum all HST paid on eligible business purchases. Review every expense — not all expenses qualify. 50% limit applies to meals and entertainment. |
| 4 | Calculate net tax (Line 109) | Net Tax = HST Collected (Line 103) minus ITCs (Line 106). If positive — you owe CRA. If negative — CRA owes you a refund. |
| 5 | Log in to CRA My Business Account | Navigate to GST/HST → File a Return. Select your RT account and the reporting period. |
| 6 | Enter the figures and submit | Enter Line 103 (HST collected), Line 106 (ITCs), and Line 109 (net tax). Review and submit. CRA confirms receipt immediately. |
| 7 | Pay the balance owing (if any) | Pay via My Business Account, online banking (Receiver General for Canada, RT account number), or at a financial institution. Due last day of month following period end. |
| 8 | Record in accounting software | In Xero or QuickBooks, record the HST payment against your HST payable account — clearing the liability from your balance sheet. |
DKP Global files all HST returns for payroll and accounting clients you never need to log in to CRA My Business Account for HST. We file the return, calculate the net tax, and notify you of the balance owing or refund, with a reconciliation against your Xero or QuickBooks HST reports.
HST Deadlines & Penalties for Late Filing
| Filing Frequency | Reporting Period | HST Return & Payment Deadline | Late Penalty |
| Monthly | Each calendar month | Last day of the following month (e.g. Jan return due Feb 28) | 5% of balance + 1%/month up to 12 months |
| Quarterly | Jan–Mar, Apr–Jun, Jul–Sep, Oct–Dec | April 30, July 31, October 31, January 31 | 5% of balance + 1%/month up to 12 months |
| Annual (calendar year) | January 1 – December 31 | June 15 filing deadline, April 30 payment deadline | 5% of balance + 1%/month up to 12 months |
| Annual (non-calendar fiscal year) | Fiscal year end | 3 months after fiscal year end for both filing and payment | 5% of balance + 1%/month up to 12 months |
Note on the annual calendar year filer: the filing deadline is June 15 but the payment deadline is April 30. If you owe HST for the year, the balance must be paid by April 30 even though you have until June 15 to file the return interest starts accruing from April 30 on any unpaid balance. Many annual filers miss this distinction.
Types of Supplies — Taxable, Zero-Rated & Exempt
| Supply Type | HST/GST Charged? | ITC Claimable? | Examples |
| Taxable supplies | Yes — at applicable rate (5%, 13%, 15%) | Yes full ITC on business inputs | Most goods and services: consulting, retail, software, professional services |
| Zero-rated supplies | Yes — but at 0% rate | Yes full ITC on inputs | Exports, basic groceries, prescription drugs, certain medical devices |
| Exempt supplies | No — HST not charged | No no ITC on inputs for exempt activities | Residential rent, health care services, educational services, financial services |
| Input-taxed supplies | No — HST not charged | No no ITC on inputs | Similar to exempt — used in financial institutions |
The distinction between zero-rated and exempt is critical and often confused. Zero-rated means HST is charged at 0% but the business can still claim ITCs on its inputs. Exempt means HST is not charged AND no ITCs can be claimed on inputs used to make exempt supplies. If your business makes both taxable and exempt supplies, you must apportion your ITC claims between the two activities. DKP Global calculates this apportionment correctly for businesses with mixed supply portfolios.
The Quick Method of Accounting for HST
Small businesses with annual taxable revenues under $400,000 can elect to use the Quick Method of accounting for HST a simplified approach that replaces the standard ITC calculation with a flat remittance rate.
Under the Quick Method, instead of calculating actual HST collected minus actual ITCs, you multiply your total sales (including HST) by a prescribed Quick Method remittance rate and remit that fixed percentage to CRA. The rates are set below the actual HST rate, so the difference is kept by the business as an automatic ITC benefit.
| Province | HST Rate | Quick Method Rate (Service Businesses) | Quick Method Rate (Goods/Retail) | Approximate Saving |
| Ontario | 13% | 8.8% | 4.4% | ~$4.20 per $100 of HST-included sales (service) |
| British Columbia | 5% GST | 3.6% | 1.8% | ~$1.40 per $100 of GST-included sales (service) |
| Alberta | 5% GST | 3.6% | 1.8% | ~$1.40 per $100 of GST-included sales (service) |
| Nova Scotia | 15% | 10.0% | 5.0% | ~$5.00 per $100 of HST-included sales (service) |
The Quick Method is not always beneficial it works best for service businesses with low input costs (where actual ITCs would be minimal anyway). For businesses with significant input costs (manufacturing, construction, retail), the standard method usually results in lower net tax. DKP Global evaluates the Quick Method election for every eligible client annually and recommends whichever method results in lower HST remittances.
HST Filing in Ontario vs BC vs Alberta
Ontario — HST at 13%
Ontario uses a fully harmonized system 13% HST on all taxable supplies, filed with CRA via a single return. Ontario businesses do not deal with a separate provincial sales tax. The 13% rate applies to both the federal (5%) and provincial (8%) components. ITCs are claimable on the full 13% paid on business inputs.
British Columbia — GST (5%) + PST (7%) Separate
BC operates a split tax system. GST (5%) is charged on most goods and services and filed with CRA (RT account). PST (7%) is a provincial tax administered separately by the BC Ministry of Finance requiring a separate PST registration and separate PST returns (quarterly or semi-annually). Many services that attract GST in BC are PST-exempt the PST and GST taxability of the same supply can differ. DKP Global handles both GST and BC PST compliance for BC clients.
Alberta — GST Only (5%)
Alberta is the only major Canadian province with no provincial sales tax. Alberta businesses charge only 5% GST on taxable supplies — making HST/PST compliance significantly simpler than Ontario or BC. ITCs are claimable on 5% GST paid on business inputs. DKP Global files quarterly GST returns for Alberta clients.
How DKP Global Manages HST Filing
HST compliance is built into DKP Global’s monthly bookkeeping workflow not treated as a separate year-end task. The single biggest HST mistake small businesses make is treating HST as an afterthought letting transactions pile up, trying to reconstruct the quarter in the last week before the deadline, and missing ITCs on expenses that were never properly coded. DKP Global eliminates this problem by integrating HST tracking into the daily bookkeeping rhythm. Every transaction is coded correctly in real time, HST balances are reconciled monthly, and quarterly returns are prepared from clean data not a rushed reconstruction.
Here is our exact HST management process:
- Monthly: Every transaction in Xero or QuickBooks is coded with the correct HST tax code HST collected on sales, ITC-eligible HST on expenses, non-taxable amounts. The HST liability account is reconciled monthly.
- Quarterly (or per your filing frequency): We prepare the HST return from your accounting software reports, review ITC eligibility, calculate net tax, file with CRA via My Business Account, and notify you of the balance owing or refund.
- ITC maximization: We proactively identify missed ITCs HST on expenses that was not initially coded correctly and include them in the next available return.
- BC PST: For BC clients, we handle PST registration, monthly PST coding in Xero/QuickBooks, and quarterly PST returns to BC Ministry of Finance.
- Quick Method evaluation: Annually, we assess whether the Quick Method election would reduce your HST remittances and recommend accordingly.
- CRA HST queries: We respond to any CRA correspondence about HST assessments, refund requests, or audits on your behalf.
For Indian immigrant business owners new to the Canadian tax system, the HST framework is one of the most unfamiliar aspects of operating a Canadian business. Unlike India’s GST system (which has similar ITC mechanics), Canadian HST has province-specific variations, different supply type rules, and a Quick Method election that has no Indian equivalent. DKP Global guides every new Canadian business owner through the HST setup and ongoing compliance — with explanations that bridge the gap between Indian and Canadian tax concepts.
| Need Help with HST Filing in Canada?DKP Global handles monthly HST tracking, ITC maximization, quarterly filing, and CRA correspondence for businesses across Canada. ACCA-UK & CS certified. Zero late HST filings on record.📅 Book Free 30-Min Consultation | 📞 +1-672-833-4342 | 📧 info@dkpglobal.org | 💬 WhatsApp→ DKP Accounting & Payroll Services in Canada |
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Frequently Asked Questions — HST Filing Canada
Q1: When is the HST return due in Canada?
For quarterly filers (most small businesses), HST returns and payments are due on the last day of the month following the reporting period: April 30 (Jan–Mar period), July 31 (Apr–Jun), October 31 (Jul–Sep), and January 31 (Oct–Dec). Monthly filers have the last day of each following month. Annual calendar-year filers have a filing deadline of June 15 and a payment deadline of April 30.
Q2: How often do I need to file HST in Canada?
CRA assigns your filing frequency based on annual taxable revenues. Under $1.5M: quarterly (default) or annual (by election). $1.5M–$6M: semi-annual (can elect monthly). Over $6M: monthly (mandatory). Most small businesses file quarterly — 4 returns per year. You can change your filing frequency by contacting CRA or updating via My Business Account.
Q3: What is an Input Tax Credit (ITC) in Canada?
An ITC is a credit equal to the HST you paid on eligible business purchases. It offsets the HST you collected from customers reducing what you remit to CRA. For example: if you collected $1,300 HST and paid $200 HST on business expenses, you remit $1,100. Most business expenses with HST qualify for a full ITC; meals and entertainment are limited to 50%.
Q4: How do I file my HST return with CRA online?
Log in to CRA My Business Account → GST/HST → File a Return. Select your RT account and reporting period, enter Line 103 (HST collected), Line 106 (ITCs), and Line 109 (net tax), then submit. Payment can be made immediately via linked bank account. Alternatively, use online banking with “Receiver General for Canada” as payee and your RT account number.
Q5: What is the penalty for late HST filing in Canada?
CRA imposes a penalty of 5% of the net tax owing, plus 1% for each complete month the return is late (up to 12 months). If you have a prior-year late filing, the penalty doubles to 10% + 2% per month. Interest is charged at the prescribed rate plus 4% on any unpaid balance from the due date. DKP Global has never filed a late HST return for any client.
No — HST registration is mandatory only when your taxable revenues exceed $30,000 in four consecutive calendar quarters or any single quarter. Below this threshold, you are a “small supplier” and do not need to register or charge HST. However, voluntary registration is available and often beneficial — it allows you to claim ITCs on business purchases from Day 1.
Q7: What is the Quick Method of HST accounting?
The Quick Method is a simplified HST accounting approach for small businesses (annual taxable revenues under $400,000). Instead of calculating actual ITCs, you remit a flat percentage of your HST-included sales — the Quick Method rate is set below the actual HST rate, so the difference stays with your business. It works best for service businesses with low input costs. DKP Global evaluates the Quick Method for every eligible client.
Q8: Is rent subject to HST in Canada?
It depends on the type of rent. Commercial rent (office, retail, warehouse space) is subject to HST and the tenant can claim an ITC. Residential rent is HST-exempt — landlords of residential properties do not charge HST and cannot claim ITCs on expenses related to residential rental activities. Mixed-use properties require ITC apportionment.