To find out if your return has be NETFILED, check if you
have received a confirmation code: https://turbotax.community.intuit.ca/replies/3227955
If there is no confirmation code,
then the return has not been filed. Try to NETFILE the return again: https://turbotax.community.intuit.ca/replies/2647647
You may also want to review the eligibility
requirements of NETFILE: https://turbotax.community.intuit.ca/replies/2647669