I filed a single T4 before realizing i had a second T4 file to submit 4 days later. How can i refile this? Is it possible to?

 

Getting started

You can file an adjustment - or wait till you receive your NOA since CRA may have that T4 on file and will advise you of it on your NOA.

https://turbotax.community.intuit.ca/replies/2647992