2007 Changes to the EFW2 & EFW2C Social Security has changed the name of publications Magnetic Media Reporting and Electronic Filing of W-2 Information (MMREF-1), and Magnetic Media Reporting and Electronic Filing of W-2c Information…

E-filing: Corporate returns: Form 1120: Form 1120S. The September 17 deadline is approaching for corporations that have requested extensions to file. Last year, only large corporations were required to file electronically. This is the first…