There is no federal law that requires employers to give you paid time off, so PTO laws in the United States are almost entirely a matter of state statute and your employer’s written policy. Federal rules touch only a few edges of the picture: how PTO interacts with FMLA leave, how a payout is taxed, and how military service is protected. Everything else — how much leave you earn, whether unused days roll over, and whether you get paid for a balance at separation — depends on where you work and what your employer put in writing.
What Federal Law Does Not Require
The Fair Labor Standards Act sets the floor for wages, overtime, and child labor, but it says nothing about time off. The FLSA does not require employers to provide vacation time, sick leave, holiday pay, or severance pay.1U.S. Department of Labor. Handy Reference Guide to the Fair Labor Standards Act Those benefits are left to the agreement between you and your employer.2U.S. Department of Labor. Vacations
There is no national minimum number of vacation days, no federal sick leave accrual rate, and no federal rule requiring pay for holidays you don’t work. If your employer offers ten vacation days, that number came from a company policy. If your employer offers zero, federal law has nothing to say about it.
State Paid Sick Leave Laws
Where Congress has stayed silent, states have moved in. More than 15 states and Washington, D.C., now require employers to provide paid sick leave. The most common formula is one hour of sick leave earned for every 30 hours worked. Annual caps typically run from 40 hours at smaller employers up to 56 hours or more at larger ones.
Most of these laws cover part-time as well as full-time workers. They define “family member” broadly, reaching parents, siblings, grandparents, and sometimes anyone with a close personal bond, not only spouses and children. And they generally include anti-retaliation protections that bar employers from firing or disciplining workers who use leave they’ve earned.
A growing number of these states also include “safe time” provisions. Under those rules, you can use accrued sick leave for reasons tied to domestic violence, stalking, sexual assault, or human trafficking — meeting with an attorney, relocating, or attending court proceedings — without losing pay. Eligibility usually mirrors the rules for medical sick leave.
Paid Family and Medical Leave Programs
Paid sick leave and paid family leave are different programs, and the distinction matters. Sick leave covers short absences for illness or medical appointments. Paid family and medical leave provides longer-term wage replacement when you need extended time off to bond with a new child, recover from surgery, or care for a seriously ill family member. Thirteen states and the District of Columbia have created these insurance-style programs.3U.S. Department of Labor. Paid Leave
These programs are typically funded through small payroll deductions from employees, employers, or both. The benefit usually replaces a percentage of your regular wages rather than paying your full salary. Duration ranges from a few weeks to several months depending on the state and the qualifying reason. If you live in a state without one of these programs, your only option for extended leave may be unpaid FMLA leave combined with whatever PTO you’ve banked.
How PTO Interacts With FMLA Leave
The Family and Medical Leave Act gives eligible employees up to 12 weeks of unpaid, job-protected leave per year for qualifying reasons like a serious health condition, the birth or adoption of a child, or caring for a seriously ill family member.4U.S. Department of Labor. Family and Medical Leave (FMLA)
Here is where PTO and FMLA collide. Your employer can require you to burn through your accrued paid vacation, personal leave, or sick time concurrently with your FMLA leave.5Office of the Law Revision Counsel. 29 USC 2612 – Leave Requirement You can also choose to do this voluntarily. Either way, the paid time still counts against your 12-week FMLA entitlement. Many workers return from FMLA leave with an empty PTO bank as a result.
The substitution rule applies only when your FMLA leave is unpaid. If you’re already receiving compensation through a state paid family leave program, your employer generally cannot force you to use accrued PTO on top of those benefits.6eCFR. 29 CFR 825.207 – Substitution of Paid Leave You and your employer can mutually agree to “top off” state benefits with PTO so your total pay approaches your normal wages, but the employer cannot make that decision alone.
Vacation Payout When You Leave a Job
What happens to unused PTO when you quit or get fired depends entirely on your state. A handful of states treat accrued vacation as earned wages that must be paid out in your final check no matter what. In those states, any policy that says “use it or lose it” for vested vacation time is unenforceable.
Around 20 states require some form of vacation payout at separation, though many allow employers to avoid payout obligations by stating forfeiture terms clearly in a written policy. Only about four states flatly prohibit use-it-or-lose-it policies under all circumstances. In the remaining states, your handbook or employment agreement controls the outcome. If the handbook promises a payout, you can enforce that promise. If it says unused days are forfeited at separation, you may have no claim.
In states that treat accrued vacation as wages, failing to include the payout in your final paycheck can trigger penalties. Some states impose waiting-time penalties calculated as a full day’s pay for every day the payment is late, up to 30 days. Those penalties can dwarf the original payout amount. If you’re leaving a job with unused PTO, check whether your state treats it as a vested wage before assuming it’s gone.
Use-It-or-Lose-It Policies and Accrual Caps
Most states do not restrict use-it-or-lose-it vacation policies. If your employer’s handbook says unused PTO expires at year end, that’s legal in the vast majority of jurisdictions. Only a small number of states prohibit these policies outright, and even in those states, employers can usually set reasonable accrual caps that limit how many hours you bank at any one time.
The difference between an accrual cap and a forfeiture policy matters. An accrual cap stops you from earning more PTO once you hit the maximum balance, but you keep what you’ve already earned. A forfeiture policy wipes out your balance on a set date. In states that ban forfeiture, the accrual cap is the only tool employers have to prevent unlimited accumulation. Everywhere else, employers have wide discretion, as long as they put the rules in writing and communicate them clearly.
Military Leave Rules Are Different
Unlike general PTO, military leave has real federal protections. Under USERRA, an employee whose job is interrupted by uniformed service has the right to use accrued vacation or similar paid leave during the absence if they choose to. The critical word is “choose.” Your employer cannot force you to drain your PTO while you’re on military duty.7Office of the Law Revision Counsel. 38 USC 4316 – Rights, Benefits, and Obligations of Persons Absent From Employment for Service in a Uniformed Service
This is the opposite of the FMLA rule, and the contrast trips up both employers and employees. Under FMLA, your employer can require PTO substitution. Under USERRA, only you can make that election. Some employers voluntarily offer a pay differential to cover the gap between military pay and your regular salary, but that’s a company benefit. USERRA itself does not require employers to pay wages during military service.
How PTO Payouts Are Taxed
PTO you use during normal employment is taxed like regular wages. The picture changes with a lump-sum payout for unused leave at separation. The IRS treats vacation pay that is paid in addition to regular wages, such as a lump-sum payout of unused leave, as supplemental wages.8Internal Revenue Service. Publication 15 (2026), (Circular E), Employer’s Tax Guide
Employers can withhold federal income tax from supplemental wages at a flat 22% rate, regardless of your actual bracket.8Internal Revenue Service. Publication 15 (2026), (Circular E), Employer’s Tax Guide Social Security and Medicare taxes still apply on top of that. The flat rate is a withholding method, not your actual tax liability; you may owe more or get a refund when you file your return depending on total income for the year. If you’re expecting a large PTO payout, plan for the tax hit rather than treating the gross amount as spendable cash.
When Employer PTO Policies Are Legally Binding
In states without specific PTO mandates, the employer’s written policy is the law of the relationship. A vacation policy in an employee handbook or a PTO clause in a signed employment contract creates enforceable obligations. Courts routinely treat these internal documents as binding promises once you start performing work under their terms.
If a handbook says you earn 15 days of PTO per year and those days are paid out upon separation, that promise is enforceable even in a state that doesn’t require payouts by statute. The employer made a commitment, you relied on it, and contract law fills the gap the legislature left open. When the language is ambiguous, courts in most jurisdictions lean toward the employee’s reasonable interpretation.
Workers who are denied promised PTO benefits can file wage claims with their state labor agency or pursue the balance through civil court. Recoverable amounts typically include the full value of the unpaid leave, and some jurisdictions add interest or attorney fees. The strength of any claim comes down to what the written policy actually says, so keep copies of your offer letter, employee handbook, and any policy updates. Those documents are your best evidence if a dispute reaches a hearing.