IRS Form 8959

2025 Printable Template

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Form last updated: 03/2024. Please verify this is the current version before use.

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What is a 8959 used for?

Form 8959 is used by individuals to calculate and report the Additional Medicare Tax on wages, self-employment income, and railroad retirement (RRTA) compensation that exceed certain thresholds. This form helps ensure that the correct amount of Medicare tax is paid.

Who needs to fill out a 8959 form

Individuals whose Medicare wages, RRTA compensation, or self-employment income exceed the applicable thresholds.

How to fill out a 8959 online?

Follow these steps to complete your 8959 form online.

Step 1
Step 1
Determine if you need to file based on your income levels exceeding the thresholds.
Step 2
Step 2
Collect your Form W-2 and any relevant self-employment income.
Step 3
Step 3
Complete Part I with Medicare wages from Form W-2.
Step 4
Step 4
Fill in Part II with self-employment income from Schedule SE.
Step 5
Step 5
Enter RRTA compensation in Part III from Form W-2.
Step 6
Step 6
Record any Additional Medicare Tax withheld as indicated on Form W-2.
Step 7
Step 7
Include Form 8959 with your tax return.
IRS Form 8959

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Frequently Asked Questions

Find quick answers to common questions about our PDF editor.

Form 8959 is used to calculate and report Additional Medicare Tax for individuals with income exceeding certain thresholds.

Individuals whose Medicare wages, RRTA compensation, or self-employment income exceed specified thresholds.

It is due with your federal tax return, typically by the applicable return due date.

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