Form 886-H-EIC Toolkit

 

Use this toolkit if you are currently under audit for EITC issues and received at least one of the following letters: 

  • CP75
  • CP75A
  • CP75D
  • Letter 566-D
  • Letter 566-E
  • Letter 566-S
  • Letter 525
  • Letter 692
  • Letter 3219
  • Letter 555 

If you did not receive one of these letters and have questions on how to proceed, call the number on your letter for help.

  • Year
  • General information
  • Child
  • Age test
  • Relationship test
  • Residency test
  • Documents to send for audit

Answer a few quick questions about yourself to see if you qualify.

All fields marked with an asterisk * are required.

Page Last Reviewed or Updated: 31-Mar-2026