If you're an employer operating in the United States—even from abroad—you may one day receive a document from the Internal Revenue Service called an IRS CP276B notice. This notice isn't a penalty but a formal advisory indicating that your business made a payroll tax deposit error. The agency has waived a penalty this time, but it serves as a clear warning. This type of notice is common among businesses that handle employment taxes but miss a filing deadline, submit an incorrect amount, or use an improper method for transmitting deposits.

Employers must follow strict rules when depositing federal tax obligations, including income tax withholding, social security and medicare taxes, and the federal unemployment tax. These obligations must be deposited based on your payroll tax schedule, determined by factors like the fourth quarter tax liability and how your deposits were filed electronically. Most employers are unaware that even unintentional mistakes can result in a CP276B notice from the government.

This guide is designed to help employers understand why the IRS issues these notices, how to remain compliant with federal tax requirements, and how to prevent future errors. With clarity and careful procedures, businesses can avoid additional withholding penalties, ensure timely payments, and maintain a strong record with the IRS.

What Is an IRS CP276B Notice?

An IRS CP276B notice is a formal advisory sent by the Internal Revenue Service to employers who have erred when depositing federal employment taxes. While the notice does not include a financial penalty, it serves as a warning. It means the IRS identified a mistake in how taxes were deposited—such as incorrect timing, inaccurate amounts, or a failure to file electronically. The agency is notifying you that it has decided not to penalize the error this time, but future issues could result in fees.

  • This notice is commonly sent after a missed or late deposit of income tax withholding or social security and medicare taxes.

  • Employers who do not deposit taxes through the required electronic method may receive this notice for noncompliance.

  • The CP276B is issued when tax liabilities are underpaid, often during high-payment seasons like the fourth quarter.

  • Errors in calculating additional medicare tax can also contribute to underpaid or misreported deposits.

  • Small employers using outdated schedules or incorrect deposit frequencies often trigger the notice unintentionally.

The CP276B notice does not request immediate payment but details the tax period, deposit due date, amount received, and any discrepancies. This information allows employers to review internal processes and confirm compliance with federal tax requirements. As explained on the Understanding your CP276B notice—IRS.gov page, the IRS advises employers to check records, verify deposit accuracy, and update payroll procedures to avoid future issues.

Keeping this notice on file with other required forms is essential, as it documents IRS tolerance for a first-time or occasional deposit error. Employers should treat it seriously by reviewing payroll records, correcting discrepancies, and consulting a tax professional if necessary. Properly handling a CP276B helps businesses comply with payroll deposit rules, income tax withholding, and federal unemployment tax obligations under Social Security Administration oversight.

Common Mistakes That Trigger a CP276B Notice During the Fourth Quarter and Beyond

Receiving an IRS CP276B notice means the agency identified an issue with how your business deposited employment taxes. Although no penalty is assessed in the notice, it warns that future mistakes may not receive the same leniency. Employers can reduce the risk of receiving additional notices by understanding and avoiding the most common deposit errors.

Late or Missed Deposits

  • Depositing federal tax payments after the required due date is one of the leading causes of this notice.

  • The IRS is especially attentive during the fourth quarter, when payroll volumes and deposit expectations are often higher.

Incorrect Deposit Amounts

  • Mistakes in calculating income tax withholding, payroll taxes, or the additional medicare tax can result in deposits that do not match the IRS’s expectations.

  • Exceeding the annual wage base limit for Social Security without adjusting employer payroll taxes may cause underpayments.

Filing and Reporting Errors

  • Failing to file electronically when required or using outdated deposit schedules, such as monthly instead of semiweekly, often leads to discrepancies.

  • Employers may misreport wages, tax liability, or the amount deposited on required forms, triggering a notice from the Internal Revenue Service.

System or Banking Issues

  • Errors in the Electronic Federal Tax Payment System or failed confirmations from a financial institution can delay or void deposits.

  • Small employers sometimes forget to confirm successful payment transmission after scheduling a deposit.

As explained in the Failure to Deposit Penalty – IRS.gov, deposit mistakes may eventually lead to fines ranging from 2% to 15% of the unpaid amount. Preventing future CP276B notices starts with reviewing your procedures, verifying all due dates, and maintaining accurate records. Staying current on employment taxes, social security, and federal unemployment tax requirements helps businesses avoid unnecessary warnings.

Overview of Federal Employment Taxes, Including Employer Payroll Taxes and Additional Medicare Tax

Every employer in the United States manages and deposits several federal employment taxes. These taxes fund essential government programs and must be handled accurately to avoid triggering IRS notices, including the CP276B. Understanding what these taxes make up is crucial for business compliance, especially for those unfamiliar with U.S. payroll systems.

Key Employment Taxes Every Employer Must Deposit

  • Income tax withholding is deducted directly from employees’ paychecks and must be deposited according to IRS schedules.

  • Social security and medicare taxes are split evenly between the employer and employee, requiring accurate payroll calculations.

  • The additional medicare tax must be withheld from employees' earnings over a specific income threshold.

  • The employer pays the federal unemployment tax (FUTA) entirely and supports national unemployment programs.

  • Some states also require a state unemployment tax, which is filed separately but should be coordinated with federal obligations.

Employer Responsibilities and Common Pitfalls

  • The employer pays the full FUTA amount and half of the social security and medicare contributions.

  • Employees’ paychecks reflect the other half of those taxes, which must be withheld and deposited on time.

  • Miscalculations involving the annual wage base limit for social security taxes often lead to over- or underpayment.

  • Errors in filing forms such as Form W-2 or transmittal forms may result in the IRS issuing a CP276B notice.

  • Unless an exception applies, all employment tax data must be filed electronically with the Internal Revenue Service. Most

Most employers rely on a tax professional or payroll service that understands federal deposit rules, required forms, and due dates to stay compliant. Keeping up with reporting obligations related to income tax withholding, social security, Medicare, and unemployment taxes is essential. Using guidance from the Social Security Administration and reviewing your tax liability regularly will help you avoid notices and penalties, especially as payroll changes throughout the year.

How and When to Deposit Federal Employment Taxes to Meet Every IRS Due Date

Depositing federal employment taxes is not just about meeting deadlines—it’s about ensuring complete accuracy in timing, method, and amount. The Internal Revenue Service requires all employers to deposit taxes related to wages, payroll, and income tax withholding based on specific schedules. The process must be followed precisely, particularly for businesses handling larger payrolls or operating across tax jurisdictions.

Understanding Deposit Schedules

  • Employers are assigned a deposit schedule—monthly or semiweekly—based on a prior-year “lookback period” and total payroll tax liability.

  • Deposits made during the fourth quarter often receive more scrutiny due to higher year-end payroll activity.

  • Small employers may qualify for a monthly deposit schedule if their liability is below a certain threshold.

  • Larger employers must typically deposit semiweekly and follow a stricter calendar depending on when payroll is issued.

  • Failing to match your deposit schedule with your liability can lead to IRS notices or penalty assessments.

Filing Deposits Electronically

  • Most employers are required to use the Electronic Federal Tax Payment System (EFTPS) to file deposits electronically.

  • The IRS considers deposits incomplete if not made through approved electronic channels.

  • Exceptions apply only to certain small employers or for payments under specific limits.

  • Verifying confirmation with your financial institution ensures that the deposit is received and posted correctly.

  • The IRS tracks all payments by deposit date, not the scheduled payroll date, which affects how deposits are reviewed.

Employers must also ensure the correct amount is deposited each time. Deposits must include withheld income tax, social security tax, medicare tax, and any additional medicare tax owed. Failure to deposit the correct amount or to file electronically may result in a CP276B notice or further enforcement actions. Many businesses consult a tax professional to manage deposits to avoid confusion or penalties, especially during wage changes or reporting requirements. Staying aligned with the IRS due date schedule is key to ongoing compliance.

Preventing Future CP276B Notices by Managing Income Tax Withholding and Reporting Obligations

Avoiding future CP276B notices requires more than simply reacting to IRS communications. It involves proactively managing payroll processes, reviewing deposit procedures, and ensuring compliance with federal employment tax requirements. When employers understand their obligations and apply consistent oversight, they reduce the likelihood of making errors that trigger future warnings from the Internal Revenue Service.

Maintain Accurate Payroll Records

  • Keep a detailed record of all employees' wages, tax withholdings, and deposit dates.

  • Track income tax withholding, social security and medicare tax, and additional medicare tax by pay period.

  • Document each tax liability and deposit amount, especially during the fourth quarter when activity increases.

  • Maintain all required forms and transmittal records for each quarter.

  • Reconcile payroll reports before filing to confirm accuracy and prevent misreporting.

Use the Correct Forms and Filing Method

  • File all employment tax forms electronically unless the IRS grants an exemption.

  • Ensure you use the most recent version of required forms, including Form W-2 and transmittal form W-3.

  • Verify that wage information and federal tax withholding match what has been deposited.

  • Check IRS publications regularly to ensure you're meeting all updated requirements.

  • Always confirm the successful transmission of filings and deposits with your financial institution.

Even small employers must understand that errors, even when unintentional, can result in federal action. Submitting late deposits, filing incorrect amounts, or failing to file electronically increases the risk of future IRS attention. Businesses must also stay current with tax liability and adjust deposit schedules when payroll increases or employment changes.

Working with a qualified tax professional is one of the most effective ways to ensure ongoing compliance. Professionals can help determine deposit frequencies, explain IRS due dates, and verify that the correct amount is paid and reported each period. Preventing future CP276B notices starts with understanding the rules, consistently applying them, and keeping accurate records throughout the tax year.

If You Make a Mistake Again: Penalties, Relief Options, and Federal Tax Compliance

The IRS CP276B notice offers a warning without an immediate penalty. However, the consequences can escalate if a business repeats the same mistake in depositing employment taxes. The Internal Revenue Service enforces strict federal tax rules, and penalties apply when employers fail to deposit accurately, file electronically, or meet due dates.

Penalties for Continued Errors

  • A 2% to 15% penalty applies based on how late the deposit is after the due date.

  • Deposits not filed electronically, when required, are automatically subject to a 10% penalty.

  • Interest starts accruing immediately and continues until the full amount is paid.

  • Repeated issues related to payroll taxes, income tax withholding, or medicare tax may trigger further scrutiny.

  • Small employers are not exempt from these penalties and are expected to follow the same deposit and filing rules.

Relief Options for Employers

  • First-time penalty abatement may be available if your tax record has been clean for the last three years.

  • Reasonable cause relief is considered when uncontrollable events prevented proper filing or depositing.

  • Relief may be granted if you exercised ordinary care and submitted the required forms, such as Form 941, on time.

  • To request relief, complete Form 843 and include detailed documentation explaining the error.

  • Supporting documents from your financial institution can be valuable if electronic deposit issues occur.

According to the Penalty Relief for Reasonable Cause – IRS.gov, the IRS will consider facts and circumstances before determining eligibility. Future notices from the IRS are not guaranteed to be as lenient as a CP276B. A tax professional can help you respond appropriately, request relief, and prevent further issues tied to social security tax, federal unemployment tax, and other employer payroll tax responsibilities.

Key IRS Forms, Publications, and Resources for Federal Unemployment Tax Compliance

Employers must understand and use the correct IRS forms and resources to maintain compliance with federal employment tax laws. These tools guide businesses through filing, payment, and reporting requirements and can help prevent issues that lead to CP276B notices. Relying on outdated forms or missing submission deadlines increases the risk of errors and penalties.

Essential IRS Forms for Employers

  • Form W-2 reports annual employee wages and income tax withholding.

  • Form 941 reports quarterly employment taxes, including social security and medicare taxes.

  • Form 944 is for eligible small employers with lower annual tax liability.

  • Form 940 is used to report the federal unemployment tax each year.

  • Form 843 allows businesses to request penalty relief or a refund if they qualify.

Trusted IRS Resources

  • Publication 15 – Employer’s Tax Guide (PDF) outlines employer obligations, deposit schedules, and federal tax withholding procedures.

  • IRS.gov provides updated forms and a “page last reviewed” date to confirm that employers use current materials.

  • EFTPS.gov is the required system for most employers to file federal employment tax deposits electronically.

  • Tax professionals rely on these tools to calculate correct amounts, determine due dates, and ensure timely compliance.

Regularly reviewing these resources and confirming you’re using the correct forms helps avoid CP276B notices and prevents more serious compliance issues from developing.

Frequently Asked Questions

Do I need to respond to an IRS CP276B notice?

No response is required for a CP276B notice. It is a warning from the Internal Revenue Service that a mistake occurred when depositing employment taxes. While there is no penalty now, future errors may result in fines. Employers should review their tax liability, deposit schedules, and filing methods. Keep the notice with your annual report and required forms for documentation. This notice helps preserve eligibility for tax credits and compliance history during IRS audits.

What causes the IRS to send this notice?

A CP276B notice is issued when the IRS identifies a problem in your employment tax deposits. This could include late deposits, incorrect amounts, or not filing electronically. These mistakes often happen during the fourth quarter. Errors related to income tax withholding, medicare tax, or the wrong application of tax credits can also trigger the notice. Always use IRS materials with a “page last reviewed or updated” label to ensure your payroll process follows current standards.

Can small employers avoid filing electronically?

Some small employers with tax liability under $2,500 per quarter may qualify for manual filing, but most must use EFTPS. Those claiming tax credits or filing multiple payroll forms should still file electronically to prevent processing errors. Even if manual filing is allowed, reports must be complete and timely. You may no longer qualify if your payroll increases or you miss a due date. Always check IRS rules for updates marked as last reviewed or updated.

What is the annual wage base limit?

The annual wage base limit is the maximum wage amount subject to social security tax each year. Once employee earnings exceed this limit, no further social security tax is withheld, although Medicare and additional medicare taxes still apply. Employers must ensure payroll calculations reflect this threshold accurately. Mistakes may reduce eligibility for tax credits or misstate employer payroll taxes. Confirm your annual report aligns with IRS expectations to avoid CP276B notices or penalties.

What forms are required to report payroll taxes?

Employers must file Form W-2 and transmittal Form W-3 to report wages and tax withholding. Use Form 941 quarterly and Form 940 annually for federal unemployment tax. Form 944 may apply to some small employers. Submit Form 843 to request penalty relief. All forms should be filed electronically where required. Use only IRS resources marked as last reviewed or updated to ensure accuracy and support compliance in your annual report and tax credit documentation.