CP 521 – Installment Agreement Payment Notice

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CP 521 – This is the letter the IRS sends to notify a taxpayer that one or more payments as part of an installment plan is overdue.  Missing a payment could break the agreement and you may need professional representation.   Contact Form

The CP 521 is a notice that will be sent to a tax payer if a payment on the installment agreement is due. The notice will also state that there will be cumulative interest and penalties on the amount that is due. The taxpayer should arrange to make the payment on time and for the correct amount. Not a day late or a dollar short, or the agreement will be broken. If you have received the CP 521, then you must have missed one or more payments. The IRS may give you time to make it up, but once the agreement is broken, the IRS can take enforcement action or change the terms of the agreement when they want to. In all my years of experience, I have never seen the IRS change the agreement terms when all taxes are filed and paid on time. The rules are unique for timeliness in this case. If you want to have us help you negotiate an agreement that’s binding on the IRS, then please call my office at 713-774-4467

The CP 521 notice is about one page long and it will state that a certain amount of money is still unpaid by you. This is the amount that is due on your installment agreement. Interest and penalties always accrue on the outstanding amount until the balance is paid in full.

You will find a two-digit code on the CP 521 notice and the code is generally in the aa, cc, ee, etc, format. There are various kinds of code that may be included in the notice and each of the code represents a penalty.  When you find out more information about the codes, you will be able to get a fair idea about what the codes on your CP 521 notice stands for.

Sometimes, the IRS may also enclose Notice 746 along with the CP 521 notice. This is the notice that will mention the interest and penalty rates that will be applied to the amount of taxes that are underpaid.

The IRS has sent you the CP 521 notice because they want to remind you that you have a payment that is due.

You will also find a date before which you will have to make the payment.  If you do not make your payment before the due date, and you default your installment agreement, you will have to reestablish the installment agreement. If that is not done timely, collection action may take place. Your bank account, wages, etc. may be levied.

It is critical that all periods that have outstanding balances be included in your payment agreement. This is what stops collection action from happening. There are a lot of amateur representatives that may cause you to unknowingly do something, or not do something,  that causes a levy. The levy may hurt your credit, business, or personal relationships. It is worth paying a consultation fee to an experienced knowledgeable representative, to make sure you are in a binding agreement and that you haven’t overlooked the best way to resolve your IRS issues. We hope that you consider us as that experienced knowledgeable representative.

  • If you are considering hiring us, call Joe Mastriano, CPA 713-774-4467.
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Don’t ignore your CP 521 notice because things will only get worse, call us today!