When Is Form 941 Due? Quarterly Deadlines and Deposit Rules

Form 941 is due four times a year: April 30, July 31, October 31, and January 31, each covering the calendar quarter that just ended. If the due date falls on a Saturday, Sunday, or legal holiday, it moves to the next business day.¹ The form itself reports federal income tax withholding, Social Security tax, and Medicare tax. The tax payments follow a separate deposit schedule that runs much more often than the filing dates, and that is where most employers get into trouble.

The Four Quarterly Deadlines

Each Form 941 is due the last day of the month after its quarter ends:

Q1 (January–March): due April 30
Q2 (April–June): due July 31
Q3 (July–September): due October 31
Q4 (October–December): due January 31 of the following year

For 2026, two of those dates shift. October 31, 2026 is a Saturday, so the Q3 return is due Monday, November 2. January 31, 2027 is a Sunday, so the Q4 return is due Monday, February 1, 2027. The April 30 and July 31 deadlines land on weekdays and stay put.

The 10-Day Extension for Timely Depositors

If you deposited every dollar of employment tax on time throughout the quarter, you get an extra 10 calendar days past the standard deadline to file Form 941.² The extension applies automatically. Miss even one deposit deadline during the quarter and it disappears, leaving you with the standard due date.

Deposits Have Their Own Schedule

Filing the return is only half the job. The taxes themselves have to be deposited on a separate, more frequent schedule, and this is where most penalties come from. Your deposit frequency is set by a lookback period: the 12 months running from July 1 two years before the current year through June 30 of the prior year.³

Monthly Depositors

If your total employment taxes during the lookback period were $50,000 or less, you deposit monthly. Taxes accumulated in a given calendar month are due by the 15th of the next month.⁴ March payroll taxes, for example, are due April 15.

Semi-Weekly Depositors

If your lookback liability was more than $50,000, deposits follow your paydays.⁴ Wages paid Wednesday, Thursday, or Friday must be deposited by the following Wednesday. Wages paid Saturday, Sunday, Monday, or Tuesday must be deposited by the following Friday. The label is a little misleading. You do not always deposit twice a week; you may have to, depending on when paydays fall.

The $100,000 Next-Day Rule

If you accumulate $100,000 or more in employment tax liability on any single day, the full amount is due by the close of the next business day, regardless of your regular schedule.³ Hitting the threshold also reclassifies you as a semi-weekly depositor for the rest of that calendar year and all of the next.⁵

Who Files Something Other Than Form 941

Most employers who pay wages file quarterly on Form 941. A few groups do not:

Agricultural employers report farm wages annually on Form 943 instead.²
Very small employers with annual employment tax liability of $1,000 or less may file Form 944 once a year, but only after the IRS notifies you that you are eligible. You cannot switch on your own.⁶
Household employers with nannies, housekeepers, or other domestic workers report employment taxes on Schedule H with their personal return.

To request a move from Form 941 to Form 944, send a written request postmarked by March 15 or call the IRS at 800-829-0115 by April 1. The IRS confirms the change in writing. If your payroll grows and liability exceeds $1,000 mid-year, you still file Form 944 for that year and wait for the IRS to move you back.⁶

Penalties for Filing or Depositing Late

The IRS charges separate penalties for filing late and depositing late. You can owe both.

Late Filing

The failure-to-file penalty is 5% of the unpaid tax for each month or partial month the return is late, up to 25%.⁷ File on time even if you cannot pay the balance in full. A separate failure-to-pay penalty of 0.5% per month applies to the unpaid balance, which is much smaller than the 5% for not filing.⁸

Late Deposits

Deposit penalties climb the longer you wait:⁹

1 to 5 calendar days late: 2% of the unpaid deposit
6 to 15 calendar days late: 5%
16 or more calendar days late: 10%
More than 10 days after an IRS notice demanding payment: 15%

Interest also accrues on unpaid amounts from the original due date. Penalties are calculated on each missed deposit, not on the quarterly total, so several missed deposits in one quarter can stack.

Requesting Relief

The IRS can abate failure-to-file, failure-to-pay, and failure-to-deposit penalties for reasonable cause. The standard is whether you exercised ordinary business care and prudence but still could not comply. Natural disaster, serious illness, a fire that destroyed records, or reliance on a payroll provider that failed can qualify. “I forgot” or “I didn’t know” rarely does. Submit a written request describing the circumstances, your compliance history, and what you did once you found the problem.

Personal Liability for Unpaid Payroll Taxes

Payroll taxes can follow individual people, not just the business. Federal income tax withheld from paychecks and the employees’ share of Social Security and Medicare taxes are trust fund taxes: the employer holds them in trust for the government.¹⁰ If they are not turned over, the IRS can assess the Trust Fund Recovery Penalty against any responsible person for the full amount of the unpaid trust fund taxes plus interest.

A responsible person is anyone with authority over the business’s finances: an officer, partner, sole proprietor, or a bookkeeper or payroll manager who decides which bills get paid.¹¹ The IRS reads “willfully” broadly. Choosing to pay rent or vendors instead of sending payroll taxes to the IRS counts. The penalty can be assessed against several people at the same company at once.

Willfully failing to collect or pay over employment taxes is also a felony carrying fines up to $10,000 and up to five years in prison.¹² Criminal prosecution is rare. The civil Trust Fund Recovery Penalty is assessed routinely.

Fixing a Return After You File It

Mistakes on a filed Form 941 are corrected with Form 941-X, not by refiling the original.¹³ File a separate 941-X for each quarter that needs to be fixed.

If you overreported taxes, you can apply the overpayment as a credit on your current Form 941 or request a refund. The deadline to correct overreported taxes is three years from the date you filed the original return or two years from the date you paid the tax, whichever is later. For underreported taxes, the deadline is three years from the original filing date, and the additional tax is due when you submit the 941-X.¹⁴ The sooner you correct an underreported amount, the less interest builds up.

1
Internal Revenue Service. Employment Tax Due Dates
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Internal Revenue Service. Topic No. 758, Form 941, Employers Quarterly Federal Tax Return and Form 944, Employers Annual Federal Tax Return
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Internal Revenue Service. Topic No. 757, Forms 941 and 944 – Deposit Requirements
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Internal Revenue Service. Notice 931 – Deposit Requirements for Employment Taxes
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eCFR. 26 CFR 31.6302-1 – Deposit Rules for Taxes Under the Federal Insurance Contributions Act (FICA) and Withheld Income Taxes
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Internal Revenue Service. Employers: Should You File Form 944 or 941?
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Office of the Law Revision Counsel. 26 USC 6651 – Failure to File Tax Return or to Pay Tax
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Internal Revenue Service. Failure to Pay Penalty
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Internal Revenue Service. Failure to Deposit Penalty
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Internal Revenue Service. Employment Taxes and the Trust Fund Recovery Penalty (TFRP)
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Internal Revenue Service. Trust Fund Recovery Penalty
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Office of the Law Revision Counsel. 26 USC 7202 – Willful Failure to Collect or Pay Over Tax
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Internal Revenue Service. About Form 941-X, Adjusted Employer’s Quarterly Federal Tax Return or Claim for Refund
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Internal Revenue Service. Instructions for Form 941-X