Section 125 Compliance and IRS Requirements

Section 125 plans offer powerful tax savings and benefits flexibility—but only when properly designed and maintained in compliance with IRS regulations. This page outlines what employers need to know to ensure their Section 125 plan is legally compliant and audit-ready.

Why Compliance Matters

A Section 125 plan that does not meet IRS standards can be disqualified, which means:

Employees' pre-tax benefits could be treated as taxable income retroactively

Employers may owe back payroll taxes, penalties, and interest

Loss of employee trust and possible legal challenges

Maintaining compliance is not just a best practice—it is required by law.

Core IRS Compliance Requirements

Section 125 cafeteria plans create immediate financial and health-related advantages for employees.

Written Plan Document

A Section 125 plan is not valid without a formal written plan document. This document outlines:

Plan year dates

Eligibility rules

Benefits offered

Election procedures

Change-in-status rules (e.g., life events)

The document must be maintained on file and made available upon IRS request.

Employers must provide a clear, easy-to-understand SPD to all eligible employees. This document explains the plan in plain language and outlines:

How to enroll

When changes can be made

Contact information for questions

The IRS requires annual nondiscrimination testing to ensure that Section 125 plans:

Do not disproportionately favor highly compensated employees (HCEs)

Provide equal benefit access to non-HCEs

Failing these tests can trigger tax penalties for the HCEs and may require plan correction.

Only IRS-approved benefits can be included under Section 125. These include:

Group health, dental, and vision insurance

FSAs and dependent care assistance

Group term life insurance (up to $50,000)

Certain wellness and preventative care programs (e.g., PCMP)

Unapproved benefits (e.g., tuition, gym memberships, bonuses) are not allowed under Section 125.

Employees must make their benefit elections before the start of the plan year. Mid-year changes are only allowed for qualifying life events (marriage, birth, etc.) and must align with IRS change-in-status rules.

cafeteria health plan

Common Compliance Mistakes to Avoid

Mistake

Risk

No written plan document

Requires documentation and IRS testing

Missing or outdated SPD

Not all benefits qualify

Skipping annual testing

Plan changes limited to open enrollment or life events

Offering non-qualified benefits

Needs oversight or third-party administration

Mid-year election changes without documentation

IRS penalties or audits

How to Stay Compliant

Work with a qualified benefit administrator or third-party compliance partner

Keep plan documents updated annually

Perform nondiscrimination testing before the plan year ends

Educate employees with timely SPDs and clear enrollment materials

Maintain all records in case of audit or review

Summary

Compliance with Section 125 rules isn’t optional—it’s essential. A properly documented, tested, and communicated plan protects both the employer and the employee while preserving the plan’s tax-favored
status.
When in doubt, partner with experienced professionals to review your documents and testing requirements.

Frequently Asked Questions

1. Is a Section 125 plan required to be in writing?

Yes. Without a written plan document, the IRS will not recognize the plan for pre-tax treatment.

Highly compensated employees may lose the tax advantage on their benefits. The employer may need to make corrections.

No. Only IRS-approved benefits can be included.

At least annually, or any time a change in benefits or regulations occurs.

It should be distributed at plan launch and any time material changes are made. Annual reminders are a best practice.

Have Questions About Section 125 Plans?

Whether you're an HR manager, business owner, or employee, navigating Section 125 can be confusing. We're here to help.

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