2023 Form 4137 - Social Security Medicare Tax On Unreported Tip Income

Use Form 4137 exclusively to calculate the social security and Medicare taxes payable on tips that you did not report to your employer, including any allocated tips displayed on your Form(s) W-2 that must be reported as income. You must report income on line 1c of Form 1040, 1040-SR, or 1040-NR. Filling out this form will credit your social security and Medicare tips to your social security record (which is used to calculate your benefits).

For the current tax year version of Form 4137, please go here.