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Excess Social Security & RRTA Tax Withheld at a Glance

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A credit for taxpayers who:

  • worked for two or more employers and had too much Social Security tax withheld from their pay; OR
  • railroad employees who had excessive tier 1 railroad retirement (RRTA) tax and tier 2 RRTA tax withheld.

This is a refundable tax credit, which means taxpayers may get money back even if they have no tax withheld.

More Information

Tax Topic 608 - Excess Social Security and RRTA Tax Withheld


Related Form

Form 843, Claim for Refund and Request for Abatement (PDF)


Related Publications

Publication 17, Your Federal Income Tax - Chapter 38, Other Credits - Under Refundable Credits, see Credit for Excess Social Security Tax or Railroad Retirement Tax Withheld

Publication 505, Tax Withholding and Estimated Tax - Chapter 3, Credit for Withholding and Estimated Tax - See Excess Social Security or Railroad Retirement Tax Withholding

Page Last Reviewed or Updated: 25-Jan-2016