IRS Payroll Tax Penalty Calculator
Failure-to-Deposit (FTD) Penalty
Calculate penalties for late federal tax deposits under the IRS tiered penalty structure.
IRC § 6656| Days Late | Penalty Rate | Description |
|---|---|---|
| 1 – 5 days | 2% | Deposit made within 5 calendar days of due date |
| 6 – 15 days | 5% | Deposit made 6 to 15 calendar days late |
| 16+ days | 10% | Deposit made 16 or more calendar days late |
| 10+ days after 1st IRS notice | 15% | Tax remains undeposited more than 10 days after first delinquency notice |
Note: Form 944 is obsolete as of 2026. Former Form 944 filers must now use Form 941.
Failure-to-File Penalty
Calculate penalties for late filing of payroll tax returns (Forms 941, 940, 943).
IRC § 6651(a)(1)Enter total deposits and payments made by the original due date.
Form 944 is obsolete as of 2026.
Failure-to-Pay Penalty
Calculate penalties for unpaid payroll tax liabilities after the due date.
IRC § 6651(a)(2)Trust Fund Recovery Penalty (TFRP)
Calculate the personal liability for unpaid trust fund taxes assessed against responsible persons.
IRC § 6672Employee share of Social Security (6.2% of wages up to the wage base)
Employee share of Medicare (1.45% of all wages + 0.9% Additional Medicare on wages over $200K)
Total federal income tax withheld from employee wages
Each responsible person is individually liable for the full amount
Trust fund liability compounds across multiple quarters of non-compliance
Accuracy-Related Penalties
Calculate penalties for negligence, substantial understatement, or fraud on payroll tax returns.
IRC § 6662 / IRC § 6663The portion of tax that was underpaid due to the error or omission
Used to determine if substantial understatement threshold is met
IRS Interest Calculator
Calculate compounded daily interest on unpaid payroll tax liabilities and penalties.
IRC § 6621Enter the total unpaid tax (and penalties, if applicable — interest is charged on penalties too)
2026 underpayment rate: federal short-term rate + 3%. Currently approximately 8%.
Monthly Depositor
If your total tax liability during the lookback period was $50,000 or less, you are a monthly depositor. Deposits are due by the 15th of the following month.
Semi-Weekly Depositor
If your total tax liability during the lookback period exceeded $50,000, you are a semi-weekly depositor:
- Saturday through Tuesday paydays: deposit by the following Wednesday
- Wednesday through Friday paydays: deposit by the following Friday
Next-Day Deposit Rule
If you accumulate $100,000 or more in tax liability on any day during a deposit period, you must deposit the tax by the next business day. This rule applies regardless of whether you are a monthly or semi-weekly depositor. Once triggered, you become a semi-weekly depositor for the remainder of the calendar year and the following calendar year.
Lookback Period
For Form 941, the lookback period is the 12-month period ending on June 30 of the prior year (July 1 through June 30 of the two prior calendar years). The IRS uses your total tax liability reported on Forms 941 during this period to determine your deposit schedule.
Form 943 (Agricultural Employers)
Form 943 uses a separate lookback period: the second preceding calendar year. Agricultural employers follow the same deposit schedule rules (monthly vs. semi-weekly) based on their Form 943 liability.
Form 944 Obsolete
Form 944 (Employer's Annual Federal Tax Return) is obsolete as of 2026. Employers who previously qualified for and filed Form 944 must now file Form 941 quarterly. Ensure your deposit schedule is adjusted accordingly.
EFTPS Requirement
All federal tax deposits must be made electronically through the Electronic Federal Tax Payment System (EFTPS). Deposits made by other means (e.g., mailing a check with a deposit coupon) may be subject to a 10% penalty.
The IRS First Time Abatement policy provides relief from failure-to-file, failure-to-pay, and failure-to-deposit penalties if you meet the following criteria:
- You have not previously been required to file a return, or you have no prior penalties (except an estimated tax penalty) for the preceding 3 tax years
- You have filed all currently required returns or filed a valid extension
- You have paid, or arranged to pay, any tax due
FTA is the most commonly used penalty abatement method and can be requested by phone, in writing, or using Form 843. It is administrative relief — it is not part of the Internal Revenue Code itself but is established by IRS policy (IRS Revenue Procedure).
The IRS may abate penalties if you can demonstrate reasonable cause for the failure. You must show that you exercised ordinary business care and prudence but were nevertheless unable to comply. Common reasonable cause arguments include:
- Death or serious illness of the taxpayer, immediate family member, or key person responsible for tax compliance
- Natural disaster (fire, flood, hurricane, earthquake) affecting records or ability to comply
- Inability to obtain records necessary to determine the tax due
- IRS error or delay in providing necessary forms, guidance, or processing
- Reliance on erroneous advice from a tax professional (must be documented)
- Destruction of records through no fault of the taxpayer
Reasonable cause requests should be submitted in writing with supporting documentation. Use Form 843 (Claim for Refund and Request for Abatement) for formal requests.
Certain statutory provisions provide automatic penalty relief:
- Reasonable cause and not willful neglect: IRC § 6651(a) provides that no penalty shall be imposed if the failure is due to reasonable cause and not willful neglect
- Presidentially declared disaster areas: The IRS automatically extends filing and payment deadlines for affected taxpayers
- Combat zone extensions: Military personnel serving in combat zones receive automatic deadline extensions
- IRS postponement: The IRS may postpone deadlines for taxpayers affected by federally declared disasters or significant public health emergencies
Key IRS References
Facing Payroll Tax Penalties?
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