When Does FMLA Reset? How the 12-Month Leave Year Works
When FMLA leave resets depends on the employer's chosen 12-month method; a rolling lookback may restore time gradually instead of all at once.
When Does FMLA Reset?
FMLA leave does not have one federal reset date for every workplace. For most qualifying reasons, a covered employer may use a calendar year, another fixed 12-month year, a 12-month period measured forward from an employee's first FMLA leave, or a rolling 12-month period measured backward each time leave is used. The selected method determines when an eligible employee's available federal entitlement can return.
A Leave Year Is Different From Employee Eligibility
The leave year measures the period in which an eligible employee may use up to 12 workweeks for most FMLA reasons. It does not replace the separate questions of whether the employer is covered, the employee meets the service, hours, and worksite tests, the reason qualifies, and required notice or certification was provided. A new leave year therefore does not automatically make every absence protected.
Method One: The Calendar Year
Under a calendar-year method, the leave year runs from January 1 through December 31. An eligible employee's available entitlement can renew when the new calendar year begins, subject to the FMLA's other requirements. Do not assume this method applies merely because payroll, benefits, or paid time off also follow a calendar year; check the employer's FMLA notice and policy.
Method Two: Another Fixed 12-Month Year
An employer may use another fixed 12-month period, such as its fiscal year, a year beginning on an employee's anniversary date, or a period required by state law. The reset point is the first day of that fixed period, not necessarily January 1. Records should identify the exact start and end dates instead of using a general statement that leave renews annually.
Method Three: Twelve Months Measured Forward
Under the measured-forward method, a 12-month period begins on the first date an employee takes FMLA leave. The next period begins the first time the employee takes FMLA leave after the prior 12-month period has ended. This method does not necessarily create the same renewal date for every employee because each person's first use can occur on a different date.
Method Four: A Rolling 12-Month Lookback
Under the rolling-backward method, the employer looks back 12 months from each date the employee actually takes FMLA leave. Available leave is the 12-workweek entitlement minus FMLA leave used during that lookback period. There may be no single day when all 12 weeks return, because the balance depends on what was used during the immediately preceding 12 months.
Rolling Leave Can Return Gradually
A rolling balance may increase as earlier FMLA days move outside the 12-month lookback. If an employee used separate blocks at different times, those amounts can become available on different dates rather than at once. The regulation warns that protection may change as prior leave rolls off, so calculate from the actual use dates and do not treat an informal total as permanent.
Fixed Methods Can Allow Leave Across a Year Boundary
With the calendar-year or another fixed-year method, the regulation recognizes that an eligible employee could use leave near the end of one period and additional leave at the beginning of the next. That possibility does not guarantee continuous protection: eligibility, the qualifying reason, available entitlement in each period, notice, certification, and any special rule still must be reviewed.
The Chosen Method Generally Must Be Consistent
An employer generally must apply its chosen method consistently and uniformly to employees. A limited exception can apply when a multi-state employer follows a state family-and-medical-leave law that requires a particular method for employees in that state. Different results should be checked against the written policy, work location, and the law that caused the difference.
No Selected Method Means the Most Beneficial Option Applies
If an employer failed to select a permissible method, federal rules use the option that provides the most beneficial outcome for the employee. An employer cannot wait until a request arises and retroactively choose the method that produces the smallest balance. Preserve handbooks, prior notices, leave statements, and how the employer calculated other employees' leave when lawfully available.
Changing the Method Requires Advance Protection
An employer that changes its leave-year method generally must give employees at least 60 days' notice. During the transition, employees must retain the full benefit of 12 workweeks under whichever of the old or new methods provides the greater benefit. A new method may not be implemented to avoid FMLA requirements.
Written FMLA Notices Must Identify the Leave Year
The rights-and-responsibilities notice for an eligible employee must identify the applicable 12-month period used for FMLA entitlement. If that specific information later changes, the employer must provide written notice of the change within five business days after receiving the employee's first notice of a need for leave following the change. Compare the handbook, eligibility notice, rights-and-responsibilities notice, and leave-balance reports for inconsistent dates or methods.
You Can Request an Accounting of Leave Used
When the amount is known at designation, the designation notice must state the hours, days, or weeks that will count against the entitlement. When the amount cannot be determined in advance, such as unforeseeable intermittent leave, an employee may request an accounting, generally no more often than once in a 30-day period and only when leave was taken during that period. An oral response must later be confirmed in writing under the regulation.
Military Caregiver Leave Uses a Separate Period
Military caregiver leave can provide up to 26 workweeks during a single 12-month period measured forward from the first day that leave begins. That single period is separate from the employer's chosen method for most other FMLA reasons, and a combined 26-workweek limit applies during it. Do not use an ordinary calendar-year assumption to calculate this special entitlement.
The Bonding Deadline Is a Separate Clock
Leave for birth and bonding or placement for adoption or foster care generally must conclude within 12 months after the birth or placement. That event-based deadline is distinct from the employer's FMLA leave year. A new calendar or fixed leave year does not by itself extend the period in which federal bonding leave may be taken.
State and Workplace Rules May Provide More Leave
State or local family-leave laws, paid-leave programs, collective bargaining agreements, and employer policies may use different benefit years or provide additional time. Federal FMLA rules do not reduce greater rights available under another applicable law or agreement. This page does not determine which state rule applies or combine overlapping balances for a particular employee.
Build a Date-by-Date Leave Record
Keep the FMLA policy, handbook versions, eligibility and rights notices, designation notices, certification records, leave requests, schedules, time records, leave-balance statements, payroll records, and messages explaining the method or a change. List each absence by date and amount, note when earlier leave should roll off, preserve original records, and keep only material you are entitled to possess.
When to Get a Free Consult
Get a free consult if an employer applied an undisclosed method, changed the leave year without advance notice, denied time that should have become available, used inconsistent calculations, or imposed attendance points or discipline based on a disputed balance. This article is general information, not legal advice; rights depend on coverage, eligibility, qualifying reasons, the selected method, notices, actual leave use, certification, location, and applicable law.
Primary Sources
- eCFR: 29 CFR 825.200 Amount of FMLA LeaveAccessed September 10, 2026
- eCFR: 29 CFR 825.300 Employer Notice RequirementsAccessed September 10, 2026
- eCFR: 29 CFR 825.120 Pregnancy and Birth LeaveAccessed September 10, 2026
- eCFR: 29 CFR 825.121 Adoption and Foster Care LeaveAccessed September 10, 2026
- eCFR: 29 CFR 825.127 Military Caregiver LeaveAccessed September 10, 2026
- U.S. Code: 29 USC 2612 FMLA Leave EntitlementAccessed September 10, 2026
- DOL Fact Sheet #28H: FMLA 12-Month PeriodAccessed September 10, 2026
- DOL: Family and Medical Leave ActAccessed September 10, 2026
- DOL Fact Sheet #28D: Employer FMLA NoticesAccessed September 10, 2026
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