Key takeaways
- Form 944 applies only when the IRS has notified the employer in writing.
- A Form 941 due date that falls on a weekend moves to the next business day.
- FUTA is deposited quarterly only when the calendar year liability is over $500.
- Each quarter that needs a fix gets its own Form 941-X.
Which federal forms a client needs
Form 941 is the default. An employer that withholds federal income tax or FICA from wages files it every quarter, unless the IRS has told the employer to file Form 944 instead. The Form 944 instructions describe it for employers whose annual liability for social security, Medicare and withheld federal income taxes is $1,000 or less.
The IRS decides Form 944 eligibility, not the client. The IRS sends a written notice, and the instructions say an employer who does not receive it must file quarterly Forms 941 for calendar year 2026. Decision rule: if the client has the IRS letter, prepare Form 944 and keep a copy in the file. If it does not, prepare Form 941 each quarter.
Form 940 reports federal unemployment tax (FUTA) for the prior year. Forms W-2 and W-3 report wages to employees and transmit them to the Social Security Administration. State unemployment reports are separate filings with state agencies, and each state sets its own forms, wage base and due dates.
Form 941 due dates for 2026
The Form 941 instructions revised in March 2026 apply to all four quarters of 2026. The table lists April 30 for the first quarter, July 31 for the second, October 31 for the third and January 31 for the fourth.
The weekend rule is the one that catches firms. If a due date falls on a Saturday, Sunday or legal holiday, the return may be filed on the next business day. October 31, 2026 is a Saturday, so the third-quarter 2026 return moved to the following business day, and that date has already passed. Check the acknowledgments for any 2026 client that has not filed the third quarter.
The fourth-quarter 2026 return is due January 31, 2027, a Sunday, so the next business day applies. For tax year 2025, the fourth-quarter return was due January 31, 2026, a Saturday, so it moved to the next business day as well.
Timely deposits can push the filing date later. The instructions give an example of a first-quarter return filed by May 10 after every deposit was made on time and in full.
Deposit schedules that decide when cash moves
A monthly depositor deposits taxes on payments made in a month by the 15th day of the following month. A semiweekly depositor deposits taxes on payments made Wednesday, Thursday or Friday by the following Wednesday, and payments made Saturday through Tuesday by the following Friday.
The lookback period in the Form 941 instructions sets the schedule. If the client reported $50,000 or less in taxes during the lookback period, it is a monthly depositor. If it reported more than $50,000 it is a semiweekly depositor. The $100,000 rule overrides this: a monthly depositor that accumulates a $100,000 tax liability on any day becomes a semiweekly depositor the next day.
The $2,500 rule is the one to check every quarter. If line 12 of Form 941 is less than $2,500, or line 12 on the prior quarterly return was less than $2,500, the taxes may be paid with the return, subject to the $100,000 conditions in the instructions. A client under $2,500 on both lines and no day reaching $100,000 pays with the return instead of by deposit.
The usual failure is a client on a monthly schedule that nobody checked against the lookback. Pull the prior-year Form 941 totals before the year starts and write the schedule on the client file.
Form 940: FUTA for the prior year
FUTA applies to the first $7,000 paid to each employee in a calendar year. The 2025 instructions set the FUTA rate at 6.0%, with a credit of up to 5.4% for most employers, leaving a net rate of 0.6%. Each employee at the wage base adds 0.006 times $7,000 to the total, so the employee count decides whether the year crosses the $500 line.
The instructions checked for this page are the 2025 revision, so confirm the 2026 rate and wage base in the 2026 Form 940 instructions before preparing a tax year 2026 return.
Deposit rule: when FUTA tax for the calendar year is over $500 the employer must make at least one quarterly deposit, due the last day of the month after the quarter ends. When it is $500 or less, the tax is paid with Form 940.
Due dates: Form 940 for tax year 2025 was due February 2, 2026, because January 31, 2026 was a Saturday. Form 940 for tax year 2026 is due January 31, 2027, a Sunday, so the next business day applies. The 2025 instructions allow until February 10, 2026 when all FUTA tax was deposited on time.
Forms W-2 and W-3 at year end
Form W-2 goes to each employee, and Copy A goes to the Social Security Administration with Form W-3, which transmits the Forms W-2. The 2026 general instructions set February 1, 2027 for both: furnishing Copies B, C and 2 to employees, and filing Copy A with the Social Security Administration.
Before filing Form W-3, reconcile the year. Wages and federal income tax withheld on the four Forms 941 should match the W-2 totals. An unexplained difference usually comes back later as a correction.
Example: the Forms W-2 show more wages than the four Forms 941. Find out whether the cause is a late-hire adjustment, a taxable fringe benefit or a missing correction before filing. If the Forms 941 were understated, the fix is a Form 941-X for the affected quarter, not a note in the file.
Correcting a filed Form 941 with Form 941-X
Use Form 941-X to correct errors on a Form 941 that was already filed. Use a separate Form 941-X for each Form 941 being corrected, filed separately from the quarterly return. A Form 941-X cannot correct federal income tax withholding for prior years for nonadministrative errors.
Time limits: for overreported taxes, the correction is generally allowed within 3 years of the Form 941 filing date or 2 years from the date the tax was paid, whichever is later. For underreported taxes, the Form 941-X must be filed by the due date of the return for the period in which the error was discovered.
Line 3 certifies that Forms W-2 or Forms W-2c were or will be filed with the Social Security Administration. Check it even when the correction does not change amounts on those forms. Prepare the Form W-2c for the affected employee before signing, so the certification is true when signed.
Worked example: the first-quarter 2026 Form 941 left out wages paid to one employee, and the error is found in November 2026. File one Form 941-X for the first quarter of 2026 with the corrected wages and tax, and a Form W-2c for that employee. Discovery in the fourth-quarter 2026 period ties the deadline to that period's return.
The common failure is one Form 941-X for the whole year. Count the affected quarters first, then open one form per quarter.
State unemployment reports and wage bases
State unemployment filings go to the state agency, not the IRS. Keep a list for each client with the state, the account number, the quarterly wage report due date from the state site, and the state's taxable wage base. The state base can differ from the federal $7,000. The FUTA credit depends on state unemployment tax, so check the state account before the Form 940 is prepared.
What to send the client
Ask for the payroll register by quarter, not a summary. Send this: "Please send the 2026 payroll register by quarter, showing gross wages, federal income tax withheld, Social Security and Medicare tax, and the amount deposited each month, as soon as the year closes." Log the date it arrives.
For the Form 944 decision, send: "Please send the IRS letter if you received one saying you must file Form 944 for 2026. If you did not receive a letter, we will prepare Form 941 each quarter." File the letter with the payroll records and note the date it was received.