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Form 5500 Guides

Short, plain-language explainers on how Form 5500 filings work — and how to use the public data to research plans, providers, and fees.

Form 5500 basics

What the filing is, who has to file, and how to complete it.

Deadlines, schedules & codes

When it's due, what the schedules disclose, and what every code means.

Search & research plans

Use the public data to look up plans, providers, and fees.

Plan sponsors & administrators

Who sponsors and runs a 401(k), how the roles differ, and what each owes the plan.

Plan types, audits & compliance

457(b) plans, when a plan needs an independent ERISA audit, and the sponsor compliance checklist.

For employees & participants

Track down an old account and understand your plan's tax forms.

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