You don't have to add the form at all...Form
1095-C is not reported on your tax return. The form is a receipt from
private insurers or employers confirming you had health coverage. Keep it for
your records.
When going through the Health Insurance section, all
you had to do is indicate that you have health insurance coverage all year (if
applicable) and that you were not enrolled in other plans (such us Obamacare of
Healthcare.gov plan).