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PLAN DESIGN

ICHRA employee classes

Employee classes are defined by federal rules. They allow certain workforce distinctions, but they do not permit arbitrary groups based on individual health, claims, or who the employer prefers to reimburse.

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Permitted categories

  • Full-time and part-time employees.
  • Seasonal employees.
  • Salaried and non-salaried employees.
  • Employees covered by a collective bargaining agreement.
  • Employees who have not satisfied a waiting period.
  • Nonresident aliens with no U.S.-based earned income.
  • Employees whose primary site of employment is in the same insurance rating area.
  • Certain temporary employees of staffing firms.
  • Permitted combinations of these categories.

Same terms within a class

The ICHRA generally must be offered on the same terms to participants in a class, subject to permitted variations and specified exceptions. Age and family-size adjustments require consistent rules. A job title such as “executive” or “field supervisor” is not, by itself, a new permitted class.

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When minimum class sizes matter

Minimum-size rules are conditional. They can apply when an employer offers a traditional group plan to one class and ICHRA to another class based on specified categories, such as full-time, part-time, salaried, non-salaried, or certain geographic distinctions and combinations. They are not a universal requirement that every ICHRA have ten participants.

When minimum class sizes matter
Employer size under the regulationMinimum when the rule applies
Fewer than 100 employees10 employees
100–200 employees10% of employees, rounded down to a whole number
More than 200 employees20 employees

Count offers, not just enrollments

The relevant minimum relates to employees offered the ICHRA in the applicable class, using the regulation’s employer-size and timing rules. Geographic exceptions, combinations, and the special new-hire rule need specific review. An enrollment forecast is not a substitute for the class-size test.

Illustrative design question

A contractor wants different benefits for hourly field employees and salaried office employees. Salaried versus non-salaried status can be relevant, but the employer still needs to evaluate the actual classifications, same-terms rules, group-plan interaction, and applicable minimums. Simply naming the groups “field” and “office” does not complete the analysis.

Sources & further reading

Research checked October 27, 2026. General education; no employer-specific legal or tax review is represented.

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