Affordability Isn't Binary: How Employers Actually Navigate Strategy
Moves beyond the affordability threshold as a compliance checkbox — covers the three safe harbors in practice, the 95% inclusion rule, how to handle geographic outliers, and what 'affordable for all' actually costs vs. the penalty exposure calculus for ALEs.
Affordability Isn't Binary: How Employers Actually Navigate Strategy
'Affordable' is one of those words in the ICHRA world that gets used as if it has a single meaning. It doesn't. Whether an ICHRA offer is 'affordable' under ACA rules is a specific regulatory determination with specific consequences — but whether an ICHRA offer is affordable enough to actually work for employees is a different question entirely, and the two don't always have the same answer.
Understanding the distinction is how employers build contribution strategies that hold up in practice, not just on paper.
What ACA Affordability Actually Means
For applicable large employers — those with 50 or more full-time equivalent employees — ICHRA affordability has a specific regulatory definition. An ICHRA offer is considered affordable for ACA purposes if the employee's net cost for the lowest-cost on exchange silver plan available to them doesn't exceed 9.96% of their household income (2026 threshold, adjusted annually).
“Net cost” means the full premium of that benchmark plan for single coverage minus the employer's ICHRA reimbursement for single coverage. As an example, if an employer is offering $500/month and the lowest-cost silver plan in the employee's rating area costs $700/month, the employee's net cost is $200/month. Whether that clears the affordability threshold depends on the employee's household income.
If the ICHRA offer is affordable and the employee declines to participate, they're not eligible for ACA premium tax credits. If the offer is unaffordable, the employee can access premium tax credits if they waive the ICHRA — and the employer may face ACA penalty exposure for failing to offer affordable coverage.
The Three Safe Harbors
Because employers don't always know their employees' household incomes, the IRS provides three safe harbor methods for determining whether an ICHRA offer meets the affordability threshold:
The W-2 Safe Harbor uses the employee's W-2 wages from the prior year as a proxy for household income. An offer is affordable if the employee's net benchmark plan cost doesn't exceed 9.96% of their W-2 wages. This is straightforward to calculate but can be conservative — meaning an employer might need to set reimbursements higher than strictly necessary.
The Rate of Pay Safe Harbor uses the employee's current hourly rate (multiplied by 130 hours) or monthly salary as the income proxy. This is often the most practical for employers with hourly workforces, since it doesn't require waiting for W-2 data and can be calculated in real time.
The Federal Poverty Line Safe Harbor uses the FPL for a single individual as the income baseline. This produces the simplest calculation — a single threshold that applies to all employees regardless of their wages — but it typically requires the highest reimbursement amounts, since FPL is lower than most employees' actual wages.
Most employers use Rate of Pay for ease of administration combined with reasonable reimbursement levels.
Managing Affordability Exposure
ALEs are compelled to offer Minimum Essential Coverage (MEC) to at least 95% of their full-time employees to avoid the 4980H(a) penalty. An ICHRA offer constitutes an offer of MEC, so employers offering ICHRA to their full-time workforce satisfy that threshold. Affordability is a separate question to further avoid exposure to the 4980H(b) penalty.
The 4980H(b) penalty applies when an offer is made but isn't affordable — $4,460 per affected employee receiving a marketplace tax credit (2026 figure). For employees in high-cost geographies where hitting affordability would require a disproportionately high reimbursement, an employer can deliberately accept (b) penalty exposure for that small segment and compare that cost against raising reimbursements for the entire class.
Beyond Compliance: What 'Works' for Employees
Here's where ACA affordability and practical affordability diverge.
An ICHRA offer can clear the ACA affordability threshold and still leave employees feeling like they got a bad deal. The affordability test uses the lowest-cost silver plan as the benchmark — but that's not necessarily the plan employees will choose. An employee who needs a specific doctor or prescription drug may need a plan that costs more than the benchmark. An employee with a family may find that the reimbursement covers their individual premium but leaves a significant gap on the family plan they actually need.
Employers who design contribution strategies purely around clearing the ACA affordability threshold are solving for compliance, not for employee outcomes. The employers who get the best results from ICHRA treat the affordability threshold as a floor, not necessarily as a target — and calibrate reimbursements to what actually works for their workforce given their specific demographics, geographies, and plan availability.
Putting It Together: How Employers Actually Make This Decision
In practice, contribution strategy conversations tend to move through a few stages:
Start with the employer's budget. What are they currently spending on group coverage, and what's the range they're willing to spend on ICHRA? This sets the outer bounds.
Model the workforce against the individual market. Using employee census data and rating area premium information, build a picture of what individual market coverage actually costs for this workforce — and where the employer's budget lands relative to benchmark plans in each geography.
Check ACA affordability. For ALEs, run the affordability calculation using the chosen safe harbor to see whether proposed reimbursement levels clear the threshold in each rating area. Flag any geographies where they don't and quantify the penalty exposure.
Pressure-test for employee outcomes. Beyond compliance, look at whether employees at different ages and income levels will have genuine plan access at the proposed reimbursement levels. Identify gaps — high-cost geographies, older employees, employees with family coverage needs — and make deliberate decisions about how to handle them.
Document the strategy. The contribution decisions, the safe harbor method chosen, and the affordability calculations should all be documented before the plan year begins — both as good practice and as the evidentiary record an employer would need if their ICHRA offer were ever challenged.
The Real Goal
The goal of ICHRA contribution strategy isn't to minimize what the employer spends. It's to find the reimbursement level that delivers a benefit employees actually value, at a cost the employer can sustain, all while operating within the compliance framework the ACA requires.
That's a more complex optimization than picking a number and checking whether it clears the affordability threshold. But it's also what separates ICHRA programs that employees appreciate from ones that generate complaints — and programs that hold up at renewal from ones that need to be redesigned every year.
Affordability isn't binary. It's a design question. And like most design questions, it responds well to good data, clear objectives, and the right analytical tools.
Kyndly provides an enablement layer for TPAs and GAs operating ICHRA programs — the tools, integrations, and operational infrastructure to run defined contribution health benefits at scale.