Your Company Just Hit 50 Employees. The IRS Started Counting Before You Noticed.

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You walked into HR maybe three months ago. Maybe you got the job because the company “needed someone for benefits.” Maybe you were the office manager who got handed the role because nobody else wanted it. Either way, somebody recently said the letters “ALE” and you nodded along like you knew what they meant.

You don’t. That’s okay. Nobody told you, because nobody told them either. Most small companies cross 50 employees without anyone announcing it. The IRS notices anyway. Then twelve to eighteen months later, a notice shows up in the mail and someone asks why this wasn’t handled.

Let’s get you ahead of it.

First, a Story About Marcus

Marcus joined a 52-person services company in July 2025 as their first real HR hire. The company had grown fast: 34 people in 2022, 43 in 2023, 52 by mid-2024. The owner was proud of it, and he wasn’t careless. He’d put a group health plan in place. He figured he was covered.

Here’s what he got wrong. He counted roughly 45 “full-time” W-2 heads and figured they were safely under the 50 threshold. What he didn’t know is that part-time hours aggregate into full-time equivalents. Once you add the part-timers’ hours back in, the company had averaged 52 FTEs across 2024. They’d been an Applicable Large Employer for over a year and nobody knew it.

Because nobody knew, nobody filed. The company offered coverage (which spared them the big penalty), but they never filed Forms 1094-C and 1095-C for 2024, because you only file those if you know you’re an ALE. In early 2026, the IRS notice arrived: a proposed penalty for failure to file. At $330 per form across 52 employees, that’s $17,160 for paperwork they didn’t know existed. And Marcus, three months into the job, got handed the cleanup: reconstruct a full year of offer-of-coverage data and file it late.

Marcus didn’t do anything reckless. He inherited a blind spot. The fix is making sure you’re not standing in the same one.

What an ALE Actually Is (and the Math That Trips Everyone Up)

ALE stands for Applicable Large Employer — the IRS line that switches on the ACA employer mandate. Cross it and a stack of federal rules turns on. The line: if your company averaged 50 or more full-time equivalent employees over the prior calendar year, you’re an ALE this year.

The phrase that trips everyone is full-time equivalent. It’s not 50 W-2s and it’s not 50 full-time people. It’s a number you calculate — and your part-timers count toward it. Here’s the whole thing in four steps:

1. Count your full-time people. Anyone at 30+ hours a week (the IRS also states this as 130+ hours a month) counts as 1.

2. Turn your part-timers into “equivalents.” Add up all the hours your part-time people worked in a month, then divide by 120. Why 120? Because the IRS treats 120 hours — 30 hours a week times 4 weeks — as one month of full-time work. You’re just asking how many full-timers all those part-time hours add up to.

(And yes: the IRS uses 130 to identify full-timers but 120 to convert part-timers. Two different numbers. Not a mistake on your end — just how the rule reads. Use each where it belongs and move on.)

3. Add them together. Full-time people + equivalents = your total for that month.

4. Average the year. Do that for all 12 months, add them up, divide by 12. Fifty or more (rounding down) and you’re an ALE next year.

Picture 40 full-timers and 24 part-timers each working about 60 hours a month: 40, plus (24 × 60 = 1,440 hours ÷ 120 = 12), equals 52. To an owner counting heads, that’s “40 people.” To the IRS it’s 52 — and that gap is exactly the blind spot that caught Marcus’s company.

What You Owe the Moment You Become an ALE

Quick note before the list: this is the plain-English version to get you oriented — not legal or tax advice. Before you act on any of it, confirm the specifics with your broker, your benefits counsel, or your filing software. My job here is to make it make sense, not to be your lawyer.

Crossing 50 brings five obligations. None of them announce themselves — which is exactly how good people end up with penalties.

1. Offer coverage to your full-time employees — and let them add their kids. You have to offer health coverage to your full-time people, and you have to let them put their dependent children (up to age 26) on it. You’re not required to cover spouses, and you’re not paying the kids’ way — you just have to offer it. The bar: at least 95% of your full-time employees.

2. Make it “affordable” — but the IRS decides what that means. Here’s the trap: “affordable” isn’t your opinion, it’s a federal number. For 2026, the employee’s share of the cheapest plan you offer can’t be more than 9.96% of their pay. Cost them more than that and the plan is “unaffordable” in the government’s eyes — even if it looks perfectly reasonable to you — and that’s what triggers a penalty. Since you usually can’t see an employee’s total household income, the IRS lets you measure against something you can see, like their W-2 wages. Your broker or filing software sets this up; you don’t calculate it by hand.

3. Make sure it’s real coverage. The plan has to be legitimate health insurance that pays for a meaningful share of medical costs — specifically, at least 60% — not a stripped-down discount card dressed up as insurance. A standard plan from a major carrier clears this easily. If someone’s pitching you something cheaper and unusual — a “minimum essential coverage only” plan, a fixed-indemnity plan, or a health-sharing arrangement — that’s the moment to confirm in writing that it actually qualifies, because several of those do not.

4. File two forms with the IRS every year: the 1095-C and the 1094-C. The 1095-C is one form per full-time employee that says “here’s the coverage we offered this person.” The 1094-C is the cover sheet that sums it all up. This is the requirement Marcus’s company never knew existed — and the single most common way new ALEs get caught.

5. Track everything, every month. Who was full-time, what you offered them, who took it, who waived it. The IRS doesn’t take your word for it — it takes your records. Build this as you go and year-end is routine. Skip it and year-end is a frantic reconstruction.

What It Actually Costs to Get This Wrong

This is the part that hits your wallet, so let’s make it concrete. There are three different penalties. They’re triggered by three different mistakes and calculated three different ways. Here’s each one in plain numbers — these are the 2026 amounts, and they tick up a little most years.

Penalty #1 — You didn’t offer coverage at all.

This one’s nicknamed the “sledgehammer,” and the nickname is earned. If you don’t offer coverage to at least 95% of your full-time people, and even one of them buys coverage on the government marketplace and gets a subsidy, the IRS bills you for almost your entire full-time staff — not just the person who went without.

The formula: take your total full-time headcount, subtract the first 30 (the IRS gives you those free), and multiply what’s left by $3,340.

A 52-person company that offered nothing: 52 − 30 = 22, times $3,340 = $73,480 for the year. That’s the bill for skipping coverage.

Penalty #2 — You offered coverage, but it wasn’t “affordable” or wasn’t real enough.

Remember the 9.96% rule and the 60% rule? Miss either one — the plan costs the employee too much, or it doesn’t cover enough — and if an employee gets a marketplace subsidy because of it, you owe $5,010 per year for each employee who got that subsidy. Not your whole staff this time. Just the ones the gap actually touched. Smaller net, sharper teeth.

Penalty #3 — You offered great coverage, but didn’t file the paperwork.

This is the one that got Marcus, and it’s the cruelest, because you can do everything right and still get hit. As of 2026, each 1095-C you fail to file runs about $330. Miss the copy that goes to the IRS and the copy that goes to the employee, and it roughly doubles — call it $660 per person.

For Marcus’s 52 employees, the filing miss alone: 52 × $330 = $17,160 — for forms nobody told him existed.

Here’s the relief, because this is the most preventable penalty of the three: filing software exists for exactly this. A tool like Tax1099 builds your 1094-C and 1095-C with the right codes and e-files them with the IRS, so a missed form never turns into a $17,000 letter. It costs a fraction of one penalty. If you take one action from this whole post, make it this one.

One thing in your corner: if a penalty notice shows up (the IRS calls it a “Letter 226-J”), you now get 90 days to respond, not 30. These can often be reduced or even waived if you answer on time with a real explanation. The move that turns a fixable problem into a final bill is ignoring the letter. The IRS information-reporting guidance for ALEs lays out the current rules.

How to Get Compliant Without Losing Your Mind

If you just realized you’re an ALE, or you’re about to cross the line, here’s the order of operations.

• Pull your FTE count for the prior calendar year first. Run the real math, part-timers included. Know exactly where you stand before you do anything else.
• Talk to your broker about plan options. A traditional group plan is the standard path. An ICHRA (Individual Coverage HRA) is worth asking about for smaller ALEs, since it lets you give employees a defined dollar amount to buy their own individual coverage.
• Calculate affordability and pick a safe harbor. W-2, rate of pay, or federal poverty level. Document the math so you can defend it. (The IRS lays out the rules on its employer shared responsibility page.)
• Build an offer-of-coverage tracker. Every full-time employee, date offered, accepted or waived, coverage tier, every month. This is the source data your 1095-C reporting pulls from. If you build it as you go, year-end is a non-event instead of a fire drill.
• File your 1094-C and 1095-C on time, and don’t hand-file it. This is the step that sank Marcus. Filing software pulls your offer data, builds the forms with the right codes, and e-files them — Tax1099 is what I’d point you to. Automate this one; it’s the cheapest mistake to prevent.
• Don’t try to carry it all yourself. If your company just crossed the threshold and you’re the only HR person, the smartest move is bringing in someone who has done this before, whether that’s a broker who specializes in ALE compliance or a structured outside audit of where you actually stand.

What Usually Goes Wrong

Before the callout, the short version: every one of these is a blind spot, not a failure of effort. Knowing them is most of the protection.

A Letter 226-J arrives and sits unanswered past the response window, turning a fixable issue into a final assessment.

Where to Start This Week

If you do nothing else: get your filing handled. A tool like Tax1099 generates and e-files your 1094-C and 1095-C for you — it’s the cheapest insurance against the most preventable penalty on this page.

If you’re heading into your first open enrollment as an ALE, the cleanup that follows in January is its own challenge. Grab the free Post-OE Audit field guide and tracker (the same five-phase system I use) so you’re ready for it: get the free guide here.

If you’re brand new to all of this, the 90-Day Playbook walks you through your first 90 days as a benefits admin, step by step, including the partner relationships and systems an ALE depends on.

And if you’d rather hand the whole compliance build to someone who has done it for two decades, that’s what the Benefits Operations Audit is for. Email me and we’ll figure out where you actually stand before the IRS does.

You didn’t choose to become an ALE. Your company just grew. The IRS doesn’t care which one it was, so let’s make sure you’re the person who saw it coming.

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