Making Corrections Prior to Filing with the IRS
You can make changes to Form 1095-C to correct inaccurate form information when you have not yet reported year-end data to the IRS. For example, an employee's address change does not appear on the Form 1095-C that you just printed because the new address is not yet entered into the Payroll system. If you have not yet submitted the returns information to the IRS, you can enter the address change and reprint Form 1095-C. If you have previously distributed a Form 1095-C to the employee, write the word Corrected on the form.
If you find an entire group of employees with incorrect information, and you need to rerun the 1095-C Offer and Coverage and/or 1095-C Covered Individuals build process to correct them, you may run a reset to remove the build for an AIR ID so you can rerun the build.
See, Reset Form 1095-C
You can reprint AIR year-end forms for an entire version or for a selected group of employees, based on the version data selections.
Enter an X in the corrected check-box only when correcting a Form 1095-C previously filed with the IRS. If you are correcting a Form 1095-C that was previously furnished to a recipient, but not filed with the IRS, write Corrected on the new Form 1095-C furnished to the recipient.