Use this form to figure: the amount of additional Medicare tax you owe and the amount of additional Medicare tax withheld by your employer, if any. Current Revision Form 8959 PDF Instructions for Form 8959 (Print version PDF) Recent developments None at this time. Other items you may find useful All Form 8959 revisions About Publication 15, (Circular E), Employer's Tax Guide About Publication 505, Tax Withholding and Estimated Tax About Publication 531, Reporting Tip Income About Publication 555, Community Property Other current products Related items About Form 1040, U.S. Individual Income Tax Return About Form 1040-NR, U.S. Nonresident Alien Income Tax Return About Form 1040-SS, U.S. Self-Employment Tax Return (Including the Additional Child Tax Credit for Bona Fide Residents of Puerto Rico)
