Error 92124 arises only if you are filing your return more than four years after the end of the tax year.
To remove the CCP overpayment amount on line 44800 of your return:
- Make note of the amount on line 30800 of your Schedule 1 (in the Documents section).
- Enter the amount from line 30800 in box 16 of your T4 slip (regardless of what was there originally). If you have multiple T4 slips, ensure that the total of box 16 does not exceed the amount on line 30800.