Register for a GST/HST account. A GST/HST account number is part of a business number (BN). If you don't have a BN yet, you will receive one when you register for your GST/HST account.
Keeping this in consideration, what is a BN number in Canada?
You Need a Business Number When Dealing with the Government
The Business Number (BN) is a unique number the Canada Revenue Agency (CRA) assigns your business as a tax ID. It is a nine-digit number that is unique to your business and that is used when dealing with federal, provincial, or local governments.Also to know, what is a GST Business Number?
A goods and services tax (GST) number is a unique tax identification number assigned to a business by the Canada Revenue Agency (CRA). You will also use your GST number in the course of doing business. Once you have been assigned a number, you are required to show it on your invoices.
How do I find my Canadian GST number?
If you can't find the GST/HST account number, contact your supplier. When your supplier does not provide their GST/HST account number, call the Canada Revenue Agency's Business enquiries line at 1-800-959-5525 to confirm it is registered.
How do I check if my GST number is correct?
You can partly verify GSTIN or GST number on the first look of it by checking if the vendor's PAN number matches with the digits between 3 and 10 in the GSTIN. Use the ClearTax GSTIN verification tool to verify GSTIN or verify GST number in jippy! Know more about GST, Goods and Services Tax Laws.