Are you referring to the NETFILE Access Code? You don't need the it to file your return - it is optional. This FAQ has more info: https://turbotax.community.intuit.ca/community/tax-topics/help/what-is-the-netfile-access-code-nac-a...

it will not file without the code

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In the online edition of TurboTax, how do I use a prepayment code?

Understanding your TurboTax product licence code

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