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IRS Notice · CP523

Got an IRS CP523 Notice? Here Is What It Means.

A CP523 means the IRS intends to terminate your installment agreement, usually because a payment was missed, a new balance appeared, or a required return was not filed. If it terminates, the full balance becomes due and collection can start again.

Agreement in effectDefault (CP523)Reinstate or terminateCollection resumes

The short version. A CP523 is a notice that your payment plan is in default and the IRS plans to terminate it. It is not the termination itself yet. You usually have a short window to cure the default and keep the agreement, but if the plan terminates, the IRS can demand the full balance and resume collection.

What puts a plan in default, and what you can still do

A CP523 almost always traces back to one of a few specific triggers. Knowing which one applies tells you how to fix it.

Common reasons for a CP523

  • You missed a monthly payment.
  • A new tax balance posted on another year.
  • A required tax return was filed late or not filed.
  • Your updated financial information was not provided when asked.

What you can still do

  • Bring the missed payment current within the window shown.
  • Ask to reinstate the agreement.
  • Set up a new agreement that reflects your situation.
  • Appeal the termination before it becomes final.

A protection most people miss

While an installment agreement is pending or in effect, the IRS generally cannot levy you. Curing the default and keeping the agreement alive does more than restart your payments. It keeps that levy protection in place. That is why responding to a CP523 quickly is worth the effort.

What you can do about it

The goal is usually to fix the default before the plan terminates. Each step is something you request and the IRS reviews. None is guaranteed.

Act before the plan terminates.

A terminated agreement turns into a full balance due and opens the door to collection. Send your case in for a free review and we will tell you how to cure the default and what your options are.

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Related IRS notices

Installment AgreementHow payment plans work, and how to reinstate one.CP504The intent to levy notice that can follow a terminated plan.Currently Not CollectibleAn option if you can no longer pay anything.Offer in CompromiseSettling for less when full payment is not realistic.

Not your notice? Look yours up on the home page.

The legal basis

What this is grounded in

  • Installment agreements: Internal Revenue Code section 6159.
  • No levy while an agreement is pending or in effect: Internal Revenue Code section 6331(k).
  • Securing, reinstating, and terminating installment agreements: IRM 5.14.1.
  • Official IRS explanation of this notice: Understanding your CP523 notice.

These are the controlling Internal Revenue Code sections and Internal Revenue Manual parts. Links go to the live IRS.gov pages so you can confirm every point yourself.

Free review

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Send the short version of what is happening. We will tell you whether you can reinstate your plan yourself or whether it is worth handing to a professional.

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