Use Form 8919 to figure and report your share of the uncollected social security and Medicare taxes due on your compensation if you were an employee but were treated as an independent contractor by your employer. Current revision Form 8919 PDF Recent developments None at this time. Other items you may find useful All Form 8919 revisions Know Who You're Hiring - Independent Contractor (Self-employed) vs. Employee Publication 1779, Independent Contractor or Employee PDF 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-NR-EZ, U.S. Income Tax Return for Certain Nonresident Aliens With No Dependents About Form 1040 (PR), Self-Employment Tax Return - Puerto Rico About Form 1040-SS, U.S. Self-Employment Tax Return (Including the Additional Child Tax Credit for Bona Fide Residents of Puerto Rico) About Form 4137, Social Security and Medicare Tax On Unreported Tip Income