Get a GST/HST access code – File your GST/HST return

The GST/HST access code is a 4-digit code required for some GST/HST filing methods. It is a personal security key that authenticates you when you are not signed into a CRA account. You should not give your access code to anyone unauthorized.

Your GST/HST access code stays the same for every filing period unless you change it.

Filing without an access code

You do not need an access code if you are filing:

• In your CRA account (My Business Account or Represent a Client)
• Through a participating Canadian financial institution
• By mail

When you need an access code

You do need an access code only if you are filing:

• Online using the GST/HST NETFILE form (outside of a CRA account)
• Using third-party accounting software (GST/HST Internet File Transfer)
• Over the phone using GST/HST TELEFILE

A representative that is legally authorized to sign the paper copy of your GST/HST return may use your access code to file your return if they are using a method that requires an access code.

How to get or change an access code

If you are a non-resident, we send you an access code by mail when you register for the GST/HST. You will also get an access code if you receive your GST/HST filing package by mail. This access code is located near the top of the letter in a box.

You can get a new access code online or by phone.

If you lost or forgot your GST/HST access code or if you never received it, there are 3 ways to get or change it: