Payroll Compliance Checklist: Federal Rules for Employers
Payroll compliance means paying every worker correctly and on time, withholding and depositing the right taxes, filing the required returns, and keeping records long enough to prove it. At the federal level, that comes down to a short list of forms, wage rules, deposit schedules, filing deadlines and retention periods that apply to almost every US employer.
This checklist is for HR managers, payroll leads and small business owners who want one page that covers the federal basics and points to deeper guides for each step.
Key takeaways
- Every new employee needs a completed Form I-9 and a signed Form W-4, and the IRS says to withhold as if the employee is single when no W-4 is provided.
- The federal minimum wage is $7.25 per hour, and when a state sets a higher rate, employers must comply with both, which in practice means paying the higher one.
- Non-exempt employees earn overtime at no less than one and one-half times their regular rate for hours over 40 in a workweek, and hours cannot be averaged across weeks.
- Form 941 is due by the last day of the month after each quarter ends, and Forms W-2 go to employees and the Social Security Administration by January 31.
- The FLSA requires payroll records to be kept for at least three years, while the IRS says to keep employment tax records for at least four years after filing the fourth quarter return.
What does payroll compliance actually cover?
Payroll compliance covers five areas: correct worker setup, correct pay, correct tax withholding and deposits, on-time filings, and complete records. A miss in any one of them can surface later as back wages, penalties or a failed audit.
A few plain definitions help before the checklist:
- Non-exempt employee: a worker covered by the Fair Labor Standards Act (FLSA) minimum wage and overtime rules.
- Workweek: under the FLSA, a fixed and regularly recurring period of 168 hours. It can start on any day and at any hour, as the Department of Labor overtime page explains.
- Regular rate: the hourly figure overtime is calculated from. It often includes more than the base wage, which is why the rules on folding bonuses and shift differentials into the regular rate trip up so many payroll teams.
- Payroll taxes: taxes tied to wages, such as Social Security, Medicare and federal unemployment tax. They are different from the federal income tax you withhold on an employee's behalf.
The first decision sits upstream of all of this: whether the person is an employee at all. If you treat an employee as a contractor, every later step is wrong. Our guide to federal and state tests for employees and independent contractors walks through how that call is made.
What do you need from a new employee before the first payroll?
You need a completed Form I-9, a signed Form W-4, and the employee's name and Social Security number exactly as they will appear on Form W-2. You also need to report the hire to your state.
The IRS hiring employees page sets out the basics. Employers must verify the identity and employment authorization of people they hire, which is what Form I-9 is for, and both the employee and the employer complete it. The IRS also says to ask all new employees for a signed Form W-4 when they start work. If someone does not hand one in, you withhold as if the employee is single. The same page says you must get each employee's name and SSN for Form W-2, and that you should not accept an ITIN in place of an SSN for employee identification or for work.
New hire reporting is the step most often forgotten. According to the federal Office of Child Support Services new hire reporting page, employers report new and rehired employees within 20 days of hire, and some states require it sooner. Private employers report to their State Directory of New Hires.
What wage and overtime rules apply to every pay run?
Pay at least the applicable minimum wage for every hour worked, and pay overtime at time and one-half the regular rate for hours over 40 in a workweek. State law can raise either floor.
The Department of Labor minimum wage page states that the federal minimum wage is $7.25 per hour, effective July 24, 2009. It also says some state laws provide greater protections and employers must comply with both. Many states and cities set higher rates, so the federal number is a floor, not a target.
For overtime, the DOL says covered non-exempt employees must receive at least one and one-half times their regular rate for hours over 40 in a workweek, and that averaging hours over two or more weeks is not permitted. That last point matters for biweekly payrolls: an employee who works 30 hours one week and 50 the next is owed 10 hours of overtime, even though the two-week total is 80.
Two practical risks sit under these rules. The first is unrecorded time, such as logging in, putting on gear or answering messages before the shift starts. Our piece on off-the-clock work and pre-shift tasks under the FLSA covers where that exposure usually hides. The second is special pay arrangements, such as tip credits, which need their own setup.
When are federal payroll taxes deposited and filed?
Federal employment tax deposits are made electronically on either a monthly or semiweekly schedule, and the main returns are Form 941 each quarter and Form 940 each year. W-2s are due January 31.
The table below summarizes the core federal deadlines from the IRS employment tax due dates page. If a deadline falls on a weekend or legal holiday, the next business day applies.
| Obligation | Federal deadline | Notes |
|---|---|---|
| Monthly depositor tax deposits | 15th of the following month | Deposits must be made electronically |
| Semiweekly depositor tax deposits | Wednesday, Thursday or Friday paydays: following Wednesday. Saturday to Tuesday paydays: following Friday | Schedule depends on your lookback period |
| Large liability ($100,000 or more on any day) | Next business day | Overrides the normal schedule |
| Form 941 (quarterly) | April 30, July 31, October 31, January 31 | 10 extra calendar days if all deposits were made on time |
| FUTA deposit | Last day of the month after the quarter, once liability exceeds $500 | Amounts of $500 or less carry forward |
| Form 940 (annual FUTA) | January 31 | 10 extra calendar days if all FUTA was deposited when due |
| Forms W-2 and W-3 | January 31 | Furnish to employees and file with the Social Security Administration by the same date |
Which deposit schedule applies to you is its own question, and getting it wrong is a common source of penalties. Our guide to monthly versus semiweekly deposit schedules explains how the lookback period decides it. FUTA and state unemployment tax are paid by the employer alone, never withheld from wages; the breakdown of employer-only payroll taxes such as FUTA and SUTA shows what each one funds and how state credits affect the federal rate.
How long do you have to keep payroll records?
Keep FLSA payroll records for at least three years and the records used to compute wages, such as time cards, for two years. Keep employment tax records for at least four years after filing the fourth quarter return for the year.
The DOL FLSA recordkeeping fact sheet lists what must be kept for each non-exempt worker, including:
- Full name, Social Security number and address
- Birth date, if younger than 19
- Sex and occupation
- The day and time the workweek begins
- Hours worked each day and total hours each workweek
- Basis of pay, regular hourly rate, straight-time earnings and overtime earnings
- All additions to and deductions from wages
- Total wages paid each pay period, the payment date and the period covered
No particular form is required, but the fact sheet is clear that the information must be accurate, and records must be open for inspection by Wage and Hour Division staff. On the tax side, the IRS employment tax recordkeeping page sets the four-year minimum and says some leave and credit records should be kept for at least six years.
Because the federal minimums differ and states add their own, many employers keep everything for the longest period that applies. If you have staff in several states, our guide to resolving conflicting records retention rules across states shows how to set one policy.
Payroll compliance checklist: what should you check every cycle and every year?
Run a short check before every payroll, a quarterly check around Form 941, and an annual check before W-2 season. Most errors are caught cheaply if you look at the same items each time.
- Before hire: confirm the worker is correctly classified as an employee or contractor, and as exempt or non-exempt.
- At hire: collect Form I-9 and Form W-4, record name and SSN as they will appear on Form W-2, and file the state new hire report within 20 days or sooner if your state requires it.
- Every pay period: confirm hours for each non-exempt worker, check that the effective hourly pay meets the federal and state minimum, and pay overtime for hours over 40 in each workweek.
- Every pay period: review all additions and deductions so the regular rate and net pay are correct, then record the pay date and period covered.
- On every deposit date: make federal tax deposits electronically on your monthly or semiweekly schedule, and watch for any day you hit $100,000 in accumulated tax.
- Each quarter: reconcile wages and deposits, file Form 941 by the last day of the following month, and check whether FUTA liability has passed $500.
- Each January: furnish W-2s to employees, file W-2s and W-3 with the Social Security Administration, and file Form 940, all by January 31.
- Always: store payroll and timekeeping records for at least the federal minimums, and longer where state rules or your own policy require.
Terminations fall outside the regular cycle and deserve their own procedure, because many states set strict deadlines for the last check. Our state-by-state final paycheck timing guide summarizes them.
Common mistakes that cause payroll compliance problems
Most payroll violations are not deliberate. They come from setups nobody revisited after the business changed.
- Averaging hours across a biweekly period. Overtime is measured per workweek, so a light week does not cancel a heavy one.
- Leaving bonuses out of overtime math. Many nondiscretionary payments belong in the regular rate, which raises the overtime owed.
- Paying the federal minimum in a higher-wage state. The federal $7.25 rate only works where no higher state or local rate applies.
- Missing the new hire report. It is a separate state filing, not something your W-4 or I-9 takes care of.
- Using the wrong deposit schedule. A business that grows can move from monthly to semiweekly deposits and keep paying on the old dates.
When this checklist does not apply: it covers federal rules for private US employers. Public sector employers, agricultural employers and household employers have rules of their own, and state law often adds pay frequency, pay stub and leave requirements that are not listed here.
This article is general information, not legal advice. Check your state labor department and a qualified advisor for rules that apply to your situation.
FAQ
What is the most important payroll compliance requirement?
There is no single one, but correct classification comes first because every other step depends on it. If a worker is wrongly treated as a contractor or as exempt, minimum wage, overtime, withholding and filing all go wrong together. After that, paying overtime by the workweek and depositing taxes on schedule cause the most trouble.
Do small businesses have to follow the same payroll rules?
Mostly yes. The IRS hiring steps, Form I-9 and Form W-4, tax deposits, Form 941 and W-2s are written for employers generally, not only large ones. Very small firms should still confirm how federal wage and hour coverage applies to them, and remember that state wage laws often reach employers of any size.
What happens if Form 941 is filed late?
File it as soon as you can and pay anything still owed, then check IRS notices for any amounts assessed. Prevention is easier: the IRS gives an extra 10 calendar days to file Form 941 only when all deposits were made on time, so staying current on deposits gives you more room on the return.
Can payroll records be kept electronically?
Yes. The Department of Labor says no particular form is required for FLSA records, as long as the information is accurate and can be made available for inspection. Electronic payroll and time systems are common, but you still need to keep the data for the required period and be able to produce it in a readable format when asked.
What to do next
- Pull one recent payroll and test it against the per-pay-period steps in the checklist above, especially overtime by workweek.
- Confirm your federal deposit schedule for this year and put every Form 941, Form 940 and W-2 date on a shared calendar.
- Look up your state minimum wage, final pay deadline and new hire reporting rule, and note where they are stricter than federal law.
- Write down a records retention policy that covers both FLSA and IRS periods, and check that your systems keep data that long.
Sources
- U.S. Department of Labor: Fact Sheet #21, Recordkeeping Requirements under the FLSA
- U.S. Department of Labor: Overtime Pay
- U.S. Department of Labor: Minimum Wage
- IRS: Employment Tax Due Dates
- IRS: Hiring Employees
- Office of Child Support Services: New Hire Reporting
Last reviewed: October 2026.
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