You are reconciling last quarter's sales and realize you forgot to remit the HST collected from three large invoices. The CRA penalty notice arrives two weeks later, eating into your profit margin. This scenario is common among New Brunswick businesses that manage HST manually. If you are looking for a new brunswick hst guide businesses 2026 resource, this article covers everything from rates to filing to automation.

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Understanding New Brunswick HST: The 15% Harmonized Sales Tax

New Brunswick uses the Harmonized Sales Tax (HST), which combines the federal Goods and Services Tax (GST) and provincial sales tax into one rate. As of 2025, the NB HST rate is 15%, consisting of 5% federal and 10% provincial. While rates may change for 2026 (always verify with the CRA), the structure remains the same. HST applies to most goods and services supplied in the province, with some exceptions for zero-rated or exempt items.

The HST is collected by businesses on taxable sales and remitted to the Canada Revenue Agency (CRA). Unlike provinces with separate GST and PST (like Saskatchewan or Manitoba), NB businesses file a single return. The table below shows the rate breakdown.

Component Rate
Federal (GST) 5%
Provincial (NB) 10%
Total HST 15%

Understanding this rate is critical for pricing, invoicing, and cash flow planning. If you charge $100 for a service, you collect $115. The extra $15 must be remitted to the CRA, minus any input tax credits you claim.

Who Needs to Register for HST in New Brunswick

The small supplier threshold determines whether you must register for HST. If your worldwide taxable revenues (from all business activities) are $30,000 or less in the last four consecutive calendar quarters, you are a small supplier and do not have to register. However, you may voluntarily register, which allows you to claim input tax credits on your purchases.

Once your revenue exceeds $30,000, you must register effective the date of the transaction that pushed you over, or within 29 days after. Registration is done through the CRA's Business Registration Online, using your Business Number. Non-residents who carry on business in New Brunswick may also need to register.

Scenario: A freelance web designer based in Fredericton starts earning $2,000 per month. In the fourth quarter, she lands a $35,000 project. She must register for HST on the day she invoices that project. She should open a separate bank account for the HST collected to avoid spending it.

Registration Checklist

  • Determine if you are a small supplier (revenue under $30,000).
  • Have your Business Number ready.
  • Register online or complete Form RC1.
  • Record your effective registration date.
  • Start charging HST on taxable supplies from that date.

HST Filing Requirements: Frequency, Deadlines, and Forms

Your filing frequency depends on your annual taxable revenues. The CRA assigns a default frequency based on your revenue, but you may elect to file more frequently (e.g., monthly instead of quarterly) to match cash flow.

Annual Taxable Revenues Default Filing Frequency
Under $1.5 million Annual (unless elected otherwise)
$1.5 million to $6 million Quarterly
Over $6 million Monthly

Filing due dates: For quarterly and monthly filers, the return is due one month after the end of the reporting period. For annual filers, the return is due three months after your fiscal year-end. If you have a balance due, it must be paid at the same time. Late filings result in a penalty of 1% of the balance due plus 25% of the amount by which the balance exceeds the penalty base, plus interest.

The main form for HST returns is the GST/HST Return (GST34). You can file electronically via CRA's My Business Account, NETFILE, or through participating accounting software. Many businesses use the CRA's online portal for convenience.

Trap: Annual filers often forget that they still need to make quarterly instalments if their net tax exceeds $3,000. Check the CRA's instalment requirements to avoid surprises.

Claiming Input Tax Credits (ITCs) on NB HST

Input tax credits allow you to recover the HST you paid on business expenses. This is a key benefit of being registered. To claim an ITC, you must:

  • Be a registrant at the time you paid the HST.
  • Have a valid invoice or receipt showing the HST charged.
  • Use the goods or services primarily for business activities.
  • Keep proper records.

If you use a purchase partly for personal use, you can only claim the business portion. For example, if you use your vehicle 60% for business, you can claim 60% of the HST on fuel and maintenance.

Documentation is critical. The CRA may ask to see invoices, so maintain organized files. If you sell both taxable and exempt supplies (e.g., financial services), you must calculate your ITCs using a formula based on the proportion of taxable supplies to total supplies. This is called the "ITC restriction."

Exempt, Zero-Rated, and Taxable Supplies in New Brunswick

Not all supplies are treated the same for HST purposes. Correct classification is essential to avoid errors.

Category Examples HST Treatment
Taxable Most goods and services, restaurant meals, professional fees 15% HST
Zero-rated Basic groceries, prescription drugs, medical devices, exports 0% (but can claim ITCs)
Exempt Residential rent, childcare, financial services, health/dental services No HST (cannot claim ITCs)

Zero-rated supplies are taxable at 0%, meaning you still report them on your return and can claim ITCs. Exempt supplies are outside the HST system - you do not collect HST and cannot claim ITCs on related inputs. This distinction is especially important for landlords and financial institutions.

Practical tip: When selling to customers in other provinces, remember that HST applies based on the destination province. If a New Brunswick business sells to an Ontario customer, you should charge the Ontario HST (13%) if you are in the same province? Actually, it depends on the place of supply rules. For services, it is generally where the recipient is located. Consult the CRA's place of supply guidelines.

NB HST Remittance and Payment Methods

When you file your HST return, you must pay any amount owing. Payment options include:

  • Online banking through your financial institution
  • CRA's My Payment service
  • Pre-authorized debit (set up in advance)
  • Wire transfer for large amounts

If you are due a refund (because your ITCs exceed HST collected), the CRA will send a refund or apply it to future remittances. Timing of payment is crucial - if you pay after the due date, interest accrues daily. The CRA charges interest at a prescribed rate (currently around 9% for overdue amounts).

How to Simplify HST Compliance for Your NB Business

Manual HST management is time-consuming and error-prone. You need to track every sale and purchase, calculate ITCs correctly, and meet filing deadlines. Many small business owners end up reconciling bank statements manually, missing deductible HST entries, or filing late.

Consider automating the process with cloud-based software. Awditify offers a suite of features designed for Canadian businesses: automatic bank feed categorization, AI-driven transaction coding, and built-in HST tracking. You can link your bank accounts, and Awditify will suggest HST-related transactions, calculate the tax, and prepare your HST return summaries. The platform also generates over 70 financial reports, including HST reports that reconcile to your returns.

Before vs. After:

  • Manual: You collect paper receipts, enter each transaction into a spreadsheet, manually calculate HST on each invoice, and sort receipts by HST category. Come filing time, you spend a full day compiling the return and double-checking math.
  • Automated with Awditify: Your bank feed imports transactions daily. Awditify's AI categorizes them and highlights those with HST. You review and approve. The system tracks HST collected and paid, and generates a pre-filled GST/HST return report. Filing takes under an hour.

If you are an accounting firm managing multiple clients, Awditify's practice management tools centralize HST tasks, ensuring no client misses a deadline. For municipalities in New Brunswick, Awditify's municipal finance module can handle PSAB reporting and HST on property transactions.

Explore Awditify's features: /features. To see how sales tax tracking works, refer to the Help Center article on How to Use Sales Tax.

FAQ

1. What is the HST rate in New Brunswick for 2026? The current HST rate in New Brunswick is 15% (5% federal + 10% provincial). While rates are subject to change, as of late 2025 there is no announced change for 2026. Always confirm with the Canada Revenue Agency (CRA) before setting your pricing or filing returns.

2. Do I need to register for HST in New Brunswick if my revenue is under $30,000? If your worldwide taxable revenues are $30,000 or less in the last four quarters, you are a small supplier and do not have to register. However, you may voluntarily register to claim input tax credits on your expenses. This is often beneficial if you have significant business purchases.

3. How do I file HST returns in New Brunswick? You file your HST return using the GST/HST Return (GST34). Most businesses file electronically through CRA's My Business Account. The return is due monthly, quarterly, or annually depending on your revenue. Awditify can generate a return-ready summary to simplify this process.

4. Can I claim ITCs on HST paid in New Brunswick? Yes, if you are a GST/HST registrant, you can claim input tax credits for the HST you paid on most business expenses. You need valid invoices and the expenses must be for business use. Keep good records. Awditify helps track ITCs by categorizing expenses with HST and calculating recoverable amounts.

5. What is the best software for managing HST in New Brunswick? Awditify is an excellent choice for New Brunswick businesses. It offers automatic HST tracking, bank feed integration that flags HST transactions, and HST-specific reports. Its Canadian payroll and sales tax features are built for compliance. Start with Awditify for small business or book a demo: /demo.

What to Do Next

The key takeaway: HST compliance in New Brunswick is manageable with the right knowledge and tools. Register on time, understand your ITCs, and leverage technology to reduce manual work. Waiting until a penalty lands is never a good strategy. If you want to streamline your HST process and avoid errors, Awditify's cloud platform provides integrated HST tracking, reporting, and filing support. Visit the small business page to see how it works, or book a demo to talk with a Canadian accounting specialist.