W-3c Forms are completed only when paper Copy A of Form(s) W-2c are being filed. Do not file Form W-3c for Form(s) W-2c that were submitted electronically to the Social Security Administration.
Due Dates for W-3c Forms
| To Social Security Administration | To Recipient |
| As soon as possible after the error is discovered | Not Applicable |
* If date shown falls on a Saturday, Sunday or legal holiday, the due date is the next business day.


