How do I get a Web Access Code to file my corporation's return using Corporation Internet Filing?

by TurboTax •   5
Updated September 9, 2026 3:04 PM

This FAQ applies to TurboTax Business.

You need a Web Access Code (WAC) to submit your corporation’s return through the CRA’s Corporation Internet Filing system. You can get one online or by phone, then enter it on the CRA’s website when you file.

How do I get my WAC online?

Go to the CRA’s Web access code page and fill out the form. You’ll need:

  • Your business number

  • Your tax year-end date

  • Your incorporation date

  • The postal code of your mailing address

  • Your first and last name, and your position with the corporation

  • The issued date on your most recent Notice of Assessment (NOA) or Notice of Reassessment (NOR)

  • The Part I tax amount or total federal tax amount from that same NOA or NOR

Your code only works for the tax year end you enter.

How do I get my WAC by phone?

If this is your corporation’s first filing, you won’t have an NOA or NOR yet, so the online tool won’t work for you. Instead, call the CRA at 1-800-959-2803. They’ll ask for your business number and your corporation’s fiscal year, then give you an 8-digit code over the phone.

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