Editor’s Picks Tax Guide What is a W-3 Form and How to Fill It Out Online? The Form W-3, along with W-2, is sent to the Social Security Administration (SSA) on an annual basis. The purpose is to show the total earnings for all W-2 ... Tax Guide Form W-3 сhecklist: everything you need to know before filing This post was updated on January 2019 The tax season is approaching at lightning speed, but there’s no need to panic. Online tax software allows more than 150 ...