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How to Register for GST/HST in Canada (2026)

Updated

GST/HST Registration Basics

Factor Details
Small supplier threshold $30,000 in revenue over 4 consecutive quarters
Mandatory registration Once threshold exceeded
Voluntary registration Anytime (to claim ITCs)
Registration timeline Same day (online/phone) to 2 weeks (mail)
Cost Free

GST/HST Rates by Province

Province Rate Tax Type
Alberta 5% GST only
BC 5% + 7% PST GST + PST (separate)
Manitoba 5% + 7% RST GST + RST (separate)
Saskatchewan 5% + 6% PST GST + PST (separate)
Ontario 13% HST
Quebec 5% + 9.975% GST + QST (separate registration)
New Brunswick 15% HST
Nova Scotia 15% HST
PEI 15% HST
Newfoundland 15% HST
Territories 5% GST only

Should You Register Voluntarily?

Benefits of Voluntary Registration

Benefit Explanation
Claim Input Tax Credits (ITCs) Get back GST/HST paid on business expenses
Appear more established Some businesses prefer GST-registered vendors
Avoid future catch-up Already set up when you hit threshold

Drawbacks of Early Registration

Drawback Explanation
Administrative burden Filing returns, keeping records
Must charge tax May make you less competitive
Penalties for errors Responsibility to comply

When Voluntary Registration Makes Sense

Situation Register?
High business expenses (equipment, supplies) Yes — ITCs valuable
Selling to businesses Yes — they can claim ITCs
Selling to consumers Maybe not — price advantage
Approaching $30,000 threshold Yes — get set up
Low expenses, under threshold Probably not needed

How to Register

Online (Fastest)

Step Details
1 Go to CRA Business Registration Online
2 Sign in with CRA credentials or bank sign-in
3 Apply for GST/HST program account
4 Provide business information
5 Receive registration number immediately

By Phone

Step Details
1 Call CRA at 1-800-959-5525
2 Have SIN/BN ready
3 Answer questions about business
4 Receive number during call or shortly after

By Mail

Step Details
1 Complete Form RC1 (Request for a Business Number)
2 Mail to your regional tax services office
3 Wait 2-4 weeks

Information Needed to Register

For Sole Proprietorship For Corporation
Social Insurance Number Business Number
Legal name Legal corporate name
Business name (if different) Operating names
Business address Corporate address
Type of business Type of business
Estimated annual revenue Fiscal year end
Filing period preference Filing period preference

Choosing Your Filing Period

Revenue Level Filing Options
Under $1.5 million Annual (default) or more frequent
$1.5M - $6 million Quarterly or monthly
Over $6 million Monthly (required)
Period Pros Cons
Annual Less paperwork Large payment at year-end
Quarterly Balance of simplicity and cash flow More filing
Monthly Best cash flow for high ITC businesses Most paperwork

Collecting GST/HST

What to Charge

Sale Location What to Charge
Physical goods (store) Rate where store is located
Physical goods (shipped) Rate where customer is located
Services (in-person) Rate where service performed
Digital products Rate where customer is located

Exempt vs Zero-Rated

Category Examples GST/HST?
Taxable Most goods and services Charge and collect
Zero-rated Basic groceries, prescription drugs, exports Charge 0%, can still claim ITCs
Exempt Medical services, childcare, residential rent Don’t charge, can’t claim ITCs

Input Tax Credits (ITCs)

What You Can Claim

Expense ITC Available
Office supplies Yes
Business equipment Yes
Professional fees (accountant, lawyer) Yes
Business travel Yes
Vehicle expenses (business portion) Yes
Home office expenses Yes (business portion)
Meals and entertainment 50% only

Record-Keeping Requirements

Documentation Required Information
Invoice/receipt Supplier name
GST/HST registration number
Date
Amount of GST/HST paid
Description of goods/services
Time limit Claim within 4 years

Filing and Remitting

Filing Deadlines

Period Deadline
Annual (calendar year) June 15 (payment due April 30)
Annual (fiscal year) 3 months after year-end
Quarterly 1 month after quarter end
Monthly 1 month after month end

Payment Methods

Method How
Online banking Pay to CRA
CRA My Payment Credit card or Interac
Pre-authorized debit Set up with CRA
Cheque Mail with remittance voucher

Quick Method of Accounting

If you’re a small business with sales under $400,000, the Quick Method simplifies GST/HST accounting:

How It Works Details
Charge Full GST/HST to customers
Remit Reduced rate (varies by province/business)
Keep The difference — no ITC tracking
Example (Ontario service business) Amount
Sales $100,000
GST/HST collected $13,000
Quick Method rate 8.8%
Remittance $9,944
You keep $3,056