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I have two T4's from the same employer (switched jobs with different payment options). One one T4, there is a value in box 16 which I enter. For the second T4, box 16 is empty but I have a value in box 16a. TurboTax does not allow this, and won't allow me to save the second T4 and continue.
Can you check your T4's on CRA and verify? If correct why not claim the 16a on the 1st T4 and leave it out of the second? You are reporting everything on your T4s. Correct itemization is just a plus.
I have the same problem but with box 17 and box 17A. I've been getting the runaround for close to three weeks when the issue is obviously a software issue.
I also have a discussion thread.
I've also been told that the issue is fixed and to contact product support if it still isn't.
I called product support and they told me it is not fixed.
This is really frustrating. However, the agent at product support finally escalated the case. I am not sure if Turbotax will actually fix their error based on what I have experienced so far.....
Also, it might be more useful to contact product support directly.
@shmish Box 16 on T4 is Employee's CPP contributions. Box 16A is Employees’ second CPP contributions.
This is not a software issue, because if you have a 2nd contribution (box 16A), you should logically have a 1st contribution (box 16). Technically, both amount should be on the same T4.
As suggest by @Leonard02 , if the last version of your T4 on your CRA My Account is not with box 16 and box 16A on the same slip, we suggest you to contact CRA to see if you can combine both T4s together to have only 1 but with all the amount reflecting your 2024 year.
Here is the link to contact CRA
Thank you for choosing TurboTax.
I have the same issue. In my case; same employer but they legally changed name part way through the year so have issued two T4's.
"This is not a software issue..."
It is most definitely a software issue because if the CRA allows it, so should the software. It should be as simple as Turbo-Tax checking box 16/17 of all T4's before applying the logic to deny a 16a/17a value. Apparently it is not an issue in Wealth Simple though - should we all just abandoned Turbo Tax in favor of another package?
"if you have a 2nd contribution (box 16A), you should logically have a 1st contribution (box 16)"
This makes sense in theory, however, with two T4's if you've already reached the maximum contribution of $4,034.10 (for 2025) on the first one then anything remaining is "additional" including any contributions made during the time period covered by the second T4.
"we suggest you to contact CRA to see if you can combine both T4s together to have only 1 but with all the amount reflecting your 2024 year."
Who is "we"? Your post was made anonymously - do you work for TurboTax?? I suggest TurboTax fixes their product rather than advising workarounds that would require users of their software to wait on hold for hours with the CRA. I have considered "fudging" the T4's as you have suggested, however, if the data we submit doesn't match the T4's on file with the CRA it is likely to trigger an audit.
It may not matter if Netfile just sends the totals rather than the individual T4 data, but again, if this is the case then it should be a very easy fix for Turbo Tax. Bottom line - Turbo Tax should accept the T4 data exactly as entered on the actual T4's without requiring a "workaround."
Have you tried autofill? It may clear up some confusion with your T4s. Not sue, but it may be worth a try.
I don't know what you mean by autofill, but Turbo Tax pulled the T4 data directly from the CRA.
At the end of the whole process, when I go to file the return, Turbo Tax gives the error about box 16/16a and does not allow me to Netfile the return.
I tried deleting the second T4 so that Turbo Tax would recalculate everything and "see" that box 16 was filled in the first T4, then manually re-entered the second T4, and it immediately gives the same error regarding box 16/16a - only this time I can't continue past the T4 without "fixing" the error.
Yes. That is autofill from CRA. You are at the mercy of TurboTax. I feel your pain!
@Jester9661 If you are still not able to resolve this issue, please contact our phone support team for more assistance.

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