As mandated by the Internal Revenue Service, every withholding agent who has control, custody, or receipt of amounts subject to withholding files Form 1042-S, Foreign Person's U.S. Source Income Subject to Withholding on an annual basis.
As mandated by the Internal Revenue Service, employers that must correct a previously filed Form W-2 must file Form W-2c, Corrected Wage and Tax Statement, with the Social Security Administration.