Best Practices for Documenting Employee Benefit Plans: What Employers Need to Know

Plan documentation is the compliance step employers most often overlook — and the first thing the DOL asks for in an audit.

Documenting employee benefit plans is a critical compliance step that is easily overlooked. Most private sector employers are subject to ERISA, which requires that welfare benefit plans be described in a written plan document and that participants receive a summary plan description (SPD).

Employers that let employees pay for benefits pre-tax through payroll deductions must also comply with Internal Revenue Code Section 125 — which requires a written cafeteria plan document adopted on or before the first day of the plan year.

Carrier booklets are not an SPD

This is the single most common misconception. Employers frequently assume the benefit descriptions provided by an insurance carrier or third-party administrator satisfy ERISA on their own. They typically do not — they describe the benefits, but omit the ERISA-required provisions.

There is no specific penalty under ERISA for failing to adopt a plan document, which is part of why the gap persists. The consequences show up elsewhere:

• An employer may be charged up to $110 per day for failing to provide the SPD or plan documents within 30 days of a participant request — a penalty that can apply even where no document exists.
• Without a plan document, it is difficult to prove that the plan’s terms support a benefit decision if a participant sues.
• The DOL will almost always request the plan document and SPD if it selects your health plan for audit. An inability to respond can trigger further document requests, interviews, on-site visits, or enforcement action.
• The DOL may charge a plan administrator up to $195 per day, to a maximum of $1,956 per request, for failing to produce plan documentation on request.

The wrap document solution

A wrap document is a relatively simple document that supplements existing carrier documentation and fills in the missing ERISA-required provisions. Because it incorporates the carrier’s benefit description by reference, the plan’s actual benefit terms continue to be governed by those documents.

When a wrap is used, the ERISA plan document and SPD consist of two pieces: the carrier’s or TPA’s benefit description, and the wrap document filling in what ERISA requires. Both must be distributed to participants by the applicable deadline.

Section 125 and the timing trap

A Section 125 plan — often called a premium-only plan — lets employees pay for medical, dental and vision coverage on a pre-tax basis. To avoid taxation, it must be maintained under a written plan document adopted on or before the first day of the plan year.

Three things employers forget to document

Medical opt-out payments

Cash incentives to waive group health coverage give employees a choice between coverage and taxable compensation — which means they must be offered through a Section 125 plan to avoid taxing participants who elect benefits. Employers offering opt-out incentives should update the Section 125 document to include the payment as a covered benefit.

ICHRAs

ICHRAs are group health plans subject to ERISA, so they require an official plan document and an SPD. Employers must also substantiate individual coverage in advance of each plan year and before each reimbursement, allow eligible employees to opt out annually, and provide an annual notice about the ICHRA’s interaction with the ACA premium tax credit.

Dependent care FSAs

Dependent care FSAs are not subject to ERISA, but sponsors are still required to maintain a written plan document complying with Code Sections 129 and 125, and to notify employees of the plan’s availability and terms. Effective Jan. 1, 2026, joint filers and unmarried employees may contribute up to $7,500 per year; the limit for married employees filing separately is $3,750. These limits are not indexed for inflation.

Review annually, communicate promptly

Documentation requirements are ongoing. Review plan documents and employee communications at least annually, ideally before the start of each plan year, so changes can be incorporated before the year closes.

Material changes must be communicated through an updated SPD or a summary of material modifications (SMM). The general deadline is 210 days after the close of the plan year in which the change was adopted — but if benefits or services are materially reduced, participants must be notified within 60 days of adoption. Employers must also provide 60 days’ advance notice of any mid-year material modification affecting the summary of benefits and coverage.