@ManyTaxQuestions We already explained and answered you in another thread.
Box 16/17 on T4 is Employee's CPP contributions.
Box 16A/17A is Employees’ second CPP contributions.
This is not a software issue, because if you have a 2nd contribution (box 16A/17A), you should logically have a 1st contribution (box 16/17). Technically, both amount should be on the same T4.
If the last version of your T4 on your CRA My Account is not with box 16/17 and box 16A/17A 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
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