Below is a list of common IRS Notices. The notice number will appear on page 1 in the upper right-hand corner. Click on the notice number below that matches the one on your notice and you will be provided information on what to do when you receive this type of notice along with a sample copy of the notice.

Most Common


  • CP 2000
  • CP 12
  • CP 11
  • Letter 525
  • CP 12C

  • Other Notices


  • CP 09
  • CP 10
  • CP 11A
  • CP 13/CP 13A
  • CP 14
  • CP 16
  • CP 22A
  • CP 21B
  • CP 22E
  • CP 23
  • CP 32A
  • CP 45
  • CP 49
  • CP 54B/CP 54E/CP 54G/CP 54Q
  • CP 59
  • CP 75/CP 75A/CP 75B
  • CP 79
  • CP 79A
  • CP 90/CP 297
  • CP 91/CP 298
  • CP 161
  • CP 501
  • CP 504
  • CP 523

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