CP 501 IRS Notice: Reminder of Balance Due

This reminder is sent to remind a taxpayer that there is a balance due on their tax account. This is a one page, secondary notice that is sent after previous notices have been ignored. If the outstanding tax is not paid within 10 days, the IRS can take adverse collection actions against you. This notice is sent on an account that has had penalties and interest assessed, there is a two-digit code to identify the explanation.

IRS Notices

The last page of this notice contains alpha codes such as "aa", "bb", "cc", "dd", "ee", "ff", "gg", or "hh". The "aa" is identified as the first code, the "bb" is the second and so on and so on. Only codes for the first eight explanations are printed on this stub.

There are also enclosures and forms sent with this notice:

  • Notice 1219B: Notice of Potential Third Party Contact-this means that the IRS can speak to others in regards to your tax debt
  • Notice 1219B (SP): Avis De Possible Communication con Teresa(s) Persona(s)-Insert for Spanish speaking taxpayers
  • Notice 609: Privacy Act Notice
  • Notice 746: Information about Your Notice, Penalties and Interest
  • Publication 594: What You Should Know About The IRS Collection Process

If you get this notice in the mail, it is to to tell you that the IRS has determined you owe money. If you have previously paid the notice, then you need to call the IRS to confirm payment was received. However, if you are unable to pay the notice in full or have questions, please refer to your tax attorney for further assistance.