A W-3 form is a tax form used by employers to report combined employee income to the Internal Revenue Service (IRS) and the Social Security Administration. It is also known as the Transmittal of Wage and Tax Statements form. Employers who send out more than one Form W-2 to employees must complete and send this form to summarize their total salary payment and withholding amounts. The W-3 form verifies employee information and business information reported on the W-2 forms of employees. The form usually doesn’t change much from year to year, but employers should double-check for potential discrepancies related to Covid-19 tax credits. Every employer required to file a Form W-2 must file Form W-3. The information that needs to be included in the W-3 form includes the employers business details, including employer identification number (EIN), legal address, and other contact information, and the total wages (salary, tips, commission, and other compensation) paid to employees over the year. The W-3 form is filed annually, and employers must file both W-2 and W-3 forms with the Social Security Administration by January 31 of every year.