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| Form CT-1X Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund | ![]() | |
| Instructions for Form CT-1X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund |
| Form 941-X Adjusted Employer's Quarterly Federal Tax Return or Claim for Refund | ![]() | |
| Instructions for Form 941-X, Adjusted Employer's Quarterly Federal Tax Return or Claim for Refund |
| Form 944-X Adjusted Employer's Annual Federal Tax Return or Claim for Refund | ![]() | |
| Instructions for Form 944-X, Adjusted Employer's Annual Federal Tax Return or Claim for Refund |
| Form 945-X Adjusted Annual Return of Withheld Federal Income Tax or Claim for Refund | ![]() | |
| Instructions for Form 945-X, Adjusted Annual Return of Withheld Federal Income Tax or Claim for Refund |