IRS Notice CP210 / CP220 — Penalty and Interest Assessment

What Is IRS Notice CP210 / CP220?

IRS Notice CP210 is sent to business taxpayers (corporations, partnerships, S-corps, trusts) to assess penalties and interest on unpaid or underpaid tax. IRS Notice CP220 is the equivalent notice for individual taxpayers. Both notices are among the most common IRS penalty notices and represent a significant revenue opportunity for tax professionals who can obtain penalty abatement for their clients [IRC §6651, §6656, §6662].

The penalties assessed on CP210/CP220 typically include one or more of: (1) Failure-to-File Penalty (FTF): 5% of unpaid tax per month, up to 25% [IRC §6651(a)(1)]; (2) Failure-to-Pay Penalty (FTP): 0.5% of unpaid tax per month, up to 25% [IRC §6651(a)(2)]; (3) Failure-to-Deposit Penalty (FTD): 2-15% of the undeposited amount, depending on the number of days late [IRC §6656]; (4) Accuracy-Related Penalty: 20% of the underpayment attributable to negligence or substantial understatement [IRC §6662]; (5) Interest: Federal short-term rate plus 3%, compounding daily [IRC §6601].

Common triggers for CP210/CP220: (1) Late filing of a tax return without an extension; (2) Late payment of tax shown on a return; (3) Late payroll tax deposits (Form 941); (4) Substantial understatement of income tax; (5) Negligence or disregard of rules in preparing the return. The notice will identify which penalties are being assessed and the calculation basis.

The taxpayer has 21 days to pay the balance or dispute the penalties. Penalty abatement is available through First Time Abatement (FTA) or reasonable cause. FTA is the fastest and most reliable abatement method for clients with a clean compliance history.

How to Respond to IRS Notice CP210 / CP220

Step 1: Review the notice carefully. Identify: the tax year, the type of penalty assessed, the penalty amount, the interest amount, and the total balance due. Verify the penalty calculation is correct.

Step 2: Check First Time Abatement (FTA) eligibility. FTA is available if: (1) The taxpayer has no penalties for the prior 3 tax years; (2) The taxpayer has filed all required returns; (3) The taxpayer has paid or arranged to pay any tax due. FTA can eliminate the failure-to-file and failure-to-pay penalties entirely — it is the fastest abatement method [IRS First Time Abatement Policy].

Step 3: If FTA is not available, assess reasonable cause. Reasonable cause exists when the taxpayer exercised ordinary business care and prudence but was unable to comply. Common reasonable cause arguments: serious illness, natural disaster, death of a family member, reliance on professional advice, or IRS error [IRC §6651(a) reasonable cause exception].

Step 4: Request abatement by calling the IRS at the number on the notice (for FTA, this can often be done by phone) or by sending a written abatement request. For written requests, include: the notice number, tax year, penalty type, abatement basis (FTA or reasonable cause), and supporting documentation.

Step 5: If the abatement request is denied, request a conference with the IRS Office of Appeals. The Appeals Office has authority to settle penalty disputes based on the hazards of litigation and often provides more favorable outcomes than the initial IRS response [IRS Publication 5, Your Appeal Rights].

Implementation Guide: CP210/CP220 Penalty Abatement for Tax Professionals

CP210/CP220 penalty abatement is one of the highest-value services a tax professional can provide. A successful FTA request can eliminate thousands of dollars in penalties in a single phone call. The key is knowing the eligibility rules and making the request correctly the first time.

Step 1: Pull Compliance History (Day 1)

Request an IRS account transcript for the prior 3 tax years using Form 4506-T or the IRS online account portal. Look for: any penalties assessed in the prior 3 years, any unfiled returns, any outstanding balances. FTA requires a clean 3-year compliance history. If there are prior penalties, FTA is not available — proceed to reasonable cause analysis [IRS First Time Abatement Policy].

Step 2: Verify Penalty Calculation

Independently calculate the failure-to-file and failure-to-pay penalties. FTF: 5% of unpaid tax per month (or fraction of a month) the return is late, up to 25%. FTP: 0.5% of unpaid tax per month the payment is late, up to 25%. If both FTF and FTP apply in the same month, the FTF is reduced by the FTP amount [IRC §6651(c)]. Verify the IRS calculated correctly.

Step 3: Request FTA by Phone (If Eligible)

Call the IRS at the number on the notice. State: "I am calling to request First Time Abatement of the [penalty type] penalty for tax year [year] under the IRS's First Time Abatement policy." The IRS agent will verify eligibility in real time. If approved, the penalty is abated immediately and a confirmation letter is issued within 2-4 weeks. Document the call: date, time, agent ID, and confirmation number [IRS First Time Abatement Policy].

Step 4: Written Reasonable Cause Request (If FTA Not Available)

Draft a written reasonable cause request: (1) Reference the CP210/CP220 notice number and tax year; (2) State the specific penalty being disputed; (3) Explain the reasonable cause in detail — what happened, when it happened, how it prevented compliance, and what steps were taken to comply as soon as possible; (4) Attach supporting documentation (medical records, disaster declarations, death certificates, etc.); (5) Send by certified mail within 21 days [IRC §6651(a) reasonable cause].

Step 5: Interest Abatement (If IRS Error)

If the penalty was assessed due to IRS error or delay, interest attributable to the IRS error may be abated under IRC §6404(e). This applies when the IRS failed to perform a ministerial or managerial act in a timely manner. Document the IRS error and request interest abatement in the same letter as the penalty abatement request.

Advanced Considerations: Penalty Abatement Strategy

FTA vs. Reasonable Cause: Always check FTA eligibility first. FTA is faster (can be done by phone), more reliable (the IRS has a clear policy), and does not require documentation. Reasonable cause requires a written request, documentation, and is subject to IRS discretion. Use FTA whenever possible.

Stacking Abatements: FTA can only be used once per taxpayer per penalty type. If a client has multiple years of penalties, use FTA for the most recent year (where the penalty is largest) and reasonable cause for prior years. This maximizes the total abatement.

Trust Fund Recovery Penalty (TFRP): For business clients with CP210 related to payroll taxes, be alert to the potential for a Trust Fund Recovery Penalty (TFRP) under IRC §6672. The TFRP is a personal liability assessed against responsible persons who willfully failed to collect and pay over payroll taxes. The TFRP is not abatable under FTA and requires a separate defense strategy.

Installment Agreement Impact: If the client cannot pay the full balance, set up an installment agreement before the 21-day deadline. An installment agreement reduces the failure-to-pay penalty from 0.5%/month to 0.25%/month while the agreement is in effect [IRC §6651(h)].

Offer in Compromise: For clients with significant penalty balances who cannot pay, consider an Offer in Compromise (OIC) under IRC §7122. An OIC can settle the entire tax and penalty liability for less than the full amount owed if the IRS determines the offer represents the most the IRS can collect.

Client Script: Explaining CP210/CP220

(Setting: Business client calls about CP210 showing a large penalty balance)

Tax Pro: "CP210 is an IRS penalty notice. Let me review exactly what penalties they're assessing and whether we can get them reduced or eliminated. The most important thing is we have 21 days to respond."

Client: "Can we fight these penalties? This is a huge amount."

Tax Pro: "Absolutely. There are two main ways to get penalties removed: First Time Abatement, which works if you have a clean compliance history for the past 3 years — I can often get this done with a single phone call. Or reasonable cause, where we document why you couldn't comply on time. Let me pull your compliance history and I'll tell you which option applies. Either way, I've handled hundreds of these — we have a strong chance of getting these penalties reduced significantly."