Contact the CRA and ask them to place a trace on your return if all of the following apply to you:

• You've confirmed that you have a valid NETFILE confirmation number. 
• Your CRA My Account doesn't reflect that your return was received or assessed.
• It has been more than 10 business days since you submitted your return.

For more detailed information, please review the link below from TurboTax Canada. 

How can I check on the status of my tax return?

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