Understanding whether your organization qualifies as an applicable large employer under the Affordable Care Act is critical for managing compliance obligations and designing an effective benefits strategy. Getting this determination wrong could result in IRS scrutiny and significant financial penalties.
What is an applicable large employer (ALE)?
An applicable large employer is one that averaged at least 50 full-time or full-time equivalent (FTE) employees during the prior calendar year, as defined under Internal Revenue Code Section 4980H. Employers that meet this threshold are subject to the ACA’s employer shared responsibility provisions, which include offering health insurance that is affordable and meets minimum value requirements or making an employer shared responsibility payment to the IRS.
ALE status is based on a company’s annual average workforce, which means that seasonal employees are treated differently than year-round, full-time workers. The determination is made each calendar year using data from the prior year.
Employers with fewer than 50 full-time and FTE employees are not subject to the mandate, though they may still choose to offer health insurance coverage. The size threshold applies to for-profit, nonprofit and governmental employers alike.
Full-Time and Full-Time Equivalent (FTE) Employees
Accurately identifying full-time and FTE employees is key to determining your company’s ALE status. Under the ACA, a full-time employee averages at least 30 hours per week or 130 hours per month. It’s important to note that this definition may differ from an employer’s internal standards for full-time work or qualification for employee benefits.
Full-time equivalent employees convert part-time hours into a headcount figure used only to determine ALE status. Part-time employees who are included in the FTE calculation are not automatically eligible for group health coverage.
To calculate monthly FTEs, add all part-time hours worked for the month and divide by 120.
For example, say that an organization has three part-time employees in the month of January. For that month, Employee A worked 100 hours total (25 hours per week), Employee B worked 60 hours total (15 hours per week) and Employee C worked 80 hours total (20 hours per week). The total part-time hours for January would be 240. After dividing this number by 120, the organization is left with two full-time equivalent employees.
Ongoing tracking of hours for part-time, variable-hour and seasonal employees is essential to ensure accurate year-end determinations.
Seasonal Worker Exception
Seasonal workers are generally counted in FTE calculations. However, certain employers may qualify for an exception that prevents seasonal staffing spikes from pushing them into ALE status.
If an employer exceeds the 50 FTE threshold for 120 days or fewer in a calendar year solely because of seasonal workers, they may not be treated as an ALE for that year, depending on the number of year-round full-time employees. The 120 days do not have to be consecutive. Typical seasonal roles that may qualify include:
- Summer-only hospitality staff
- Holiday season retail workers who are employed exclusively during peak periods
- Agricultural workers employed on a seasonal basis
- Tourism industry employees working limited seasons
Employers that fall close to the 50 FTE threshold should document seasonal roles and employment dates carefully. Retail workers and others hired for brief periods should be clearly classified with supporting records.
Controlled Group Rules and Common Ownership
Businesses with shared ownership might be treated as a single employer for ALE determinations. Under these rules, all related entities must aggregate their full-time employees and FTE counts to determine if they collectively meet or exceed 50. Common ownership structures triggering this treatment include:
- Parent-subsidiary relationships with 80 percent or greater ownership
- Brother-sister corporations with common owners
- Affiliated service groups with overlapping professional services
- Certain partnerships with shared ownership interests
Each member of a controlled group that is part of an ALE becomes an ALE member with its own employer shared responsibility obligations. The combined total determines status, but the individual entities bear separate compliance responsibilities.
How to Calculate ALE Status
ALE determinations are typically made by reviewing the prior calendar year on a month-by-month basis. This look-back approach means it’s essential for employers to maintain accurate records and employee timesheets throughout the year.
The general calculation steps are:
- For each calendar month, count all full-time workers (those averaging 30+ hours per week or 130+ hours per month).
- Calculate FTEs from part-time hours by dividing the combined monthly hours by 120.
- Add full-time employees and FTEs together for each month.
- Average the monthly totals across all 12 months.
- If the average number equals or exceeds 50, the employer is an ALE for the following year.
The IRS uses the previous calendar year’s data to decide whether an employer is an ALE for the current year. For example, 2025 workforce data determines an employer’s ALE status for 2026.
What the ACA Employer Mandate Requires of ALEs
Applicable large employers are subject to the ACA’s employer mandate, which requires employers to offer minimum essential coverage (MEC) to at least 95 percent of full-time employees and their dependent children under age 26.
Coverage must also meet two standards:
- Affordability: The employee contribution cannot exceed a set percentage of the employee’s household income.
- Minimum Value: The plan must cover at least 60 percent of expected health care costs.
Penalties may apply if the required coverage is not offered and at least one full-time employee receives a premium tax credit for purchasing coverage through the ACA Marketplace.
Affordable Coverage
The ACA requires that coverage be affordable, meaning that the employee’s required contribution for the lowest-cost self-only minimum essential coverage cannot exceed a set percentage of their household income. This percentage is indexed annually and adjusted for inflation.
Because employers do not have access to employees’ household income, the IRS allows three affordability safe harbors that apply only to the employee’s affordability position, regardless of whether the employee has dependents covered by the plan. For 2026, the affordability threshold is 9.96 percent using one of these three safe harbors:
- W-2 safe harbor, which measures affordability against an employee’s Box 1 wages
- Rate of pay safe harbor, which uses the employee’s hourly rate multiplied by 130 hours per month
- Federal poverty line safe harbor, which bases affordability on annual federal poverty level figures
Minimum Value
Minimum value means the health insurance plan is designed to pay at least 60 percent of the total allowed costs of benefits that are expected to be incurred under the plan. This standard roughly parallels the value of a bronze-level plan on the individual market.
To meet the minimum value, health plans generally must provide substantial coverage for inpatient hospital services, physician services and prescription drugs.
Employers should confirm with their benefits broker or carrier whether specific plan designs meet minimum value requirements. Plans that meet minimum essential coverage standards may not meet the minimum value if benefit designs are too limited.
Potential Employer Shared Responsibility Penalties
If ALEs fail to offer coverage that meets ACA standards, they could face employer mandate penalties under Section 4980H. Two penalty categories apply:
- Category A penalty: Applies if the ALE does not offer minimum essential coverage to at least 95 percent of full-time employees and their dependent children, and at least one full-time employee receives a premium tax credit. The 2026 penalty is $3,340 per full-time employee annually, minus the first 30 employees.
- Category B penalty: Applies if coverage is offered but is not affordable or does not provide minimum value for employees who receive premium tax credits. The 2026 penalty is $5,010 per affected full-time employee.
Penalties are calculated monthly and adjusted annually for inflation. Employers should verify current penalty amounts using IRS guidance or qualified advisors.
ACA Reporting and Documentation for ALEs
ALEs must meet annual federal reporting requirements that document the health coverage offered to full-time employees. These filings allow the IRS to assess compliance.
Form 1095-C reports the following at the employee level:
- Coverage offered and months of coverage
- Employee share of the lowest-cost monthly premium (for example, $200 per month)
- Affordability safe harbor used
- Whether the employee enrolled
Form 1094-C is the transmittal form submitted to the IRS. It summarizes all 1095-C filings and includes identifying employer information and aggregate data.
Filing deadlines generally occur early in the year following the coverage year, and late or inaccurate filings could trigger separate reporting penalties.
Building a Benefits Strategy that Supports Compliance
Meeting ALE requirements involves more than just annual reporting; it requires thoughtful decisions about how benefits are structured and funded. The right approach will depend on an organization’s workforce makeup, budget and broader HR priorities.
ALEs often evaluate options like:
- Traditional fully insured group health plans
- Self-funded plans with stop loss coverage
- Level-funded arrangements
- High-deductible health plans paired with HSAs
Ongoing compliance also depends on coordination between payroll and HR systems and reliable data that flags when employees approach the 30-hour threshold.
Considerations for Multi-Location and Growing Employers
Growth through acquisition or expansion can shift an employer above the 50 FTE threshold or change controlled group status from one year to the next. For example, a company acquiring a 25-employee firm while itself having 30 employees may suddenly face ALE obligations.
Integrating your benefits strategy and long-term workforce planning can help organizations anticipate these shifts. Questions to consider include:
- How will planned hiring affect ALE status next year?
- Do acquisition targets trigger controlled group aggregation?
- Are current plan designs scalable as the workforce grows?
Taking a forward-looking approach allows compliance to be part of supporting employees and managing organizational risk, rather than a reactive burden.
How Higginbotham Can Help
Whether you’re approaching the 50 FTE threshold or have been an ALE for years, Higginbotham can help your organization create a benefits program that balances employee needs and employer budgets.
