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Form CT-1 X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund

Use Form CT-1 X to correct errors on a Form CT-1 that you previously filed. Use Form CT-1 X to correct:

  • Tier I Employee tax, Tier I Employee Medicare tax, and Tier II Employee tax;
  • Tier I Employer tax, Tier I Employer Medicare tax, and Tier II Employer tax;
  • Exemption for qualified employer's share of Tier I tax on compensation paid to qualified employees; and
  • Credit for qualified employer's share of Tier I tax on compensation paid to qualified employees.

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Comment on Form CT-1 X

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Page Last Reviewed or Updated: 30-Jan-2014