New in IRIS

Form 8955-SSA Comes to IRIS: A Guide for Retirement Plan Sponsors

Form 8955-SSA is how retirement plans tell the government about people who left with benefits still owed to them. It’s a familiar ERISA filing — but it’s newly available through IRIS. Here’s what it reports and which plan sponsors and administrators have to file it.

 Covers Form 8955-SSA (Annual Registration Statement Identifying Separated Participants With Deferred Vested Benefits) · native form type in the IRIS TY2026 schema · July 16, 2026
At a glance

Form 8955-SSA identifies participants who separated from a retirement plan with deferred vested benefits they haven’t yet been paid. The data helps the Social Security Administration remind those people about benefits they’re owed when they later claim. It’s filed by the plan administrator or sponsor — and IRIS now accepts it as a native form type, so it can be e-filed with your other returns.

In this story

What Form 8955-SSA Reports

The form is a registry, not a dollar-flow return. It lists the separated participants who still have a vested benefit in the plan, so their entitlement isn’t forgotten years later.

For each such participant, the plan reports identifying information and codes describing the nature of the deferred vested benefit. Plans also report participants who were previously listed and have since been paid out or are no longer owed, so the registry stays current.

It is filed separately from Form 5500, even though both relate to the plan’s annual reporting.

Who Must File 8955-SSA

The plan administrator (or the sponsor acting as administrator) files it for plans subject to the requirement — generally qualified retirement plans that had separated participants with deferred vested benefits to report for the year.

  • Employers sponsoring qualified defined-benefit or defined-contribution plans
  • Third-party administrators and recordkeepers filing on the plan’s behalf
  • Plan administrators required to register separated vested participants
Coordinate with your recordkeeper

In practice, the recordkeeper or TPA often prepares 8955-SSA from participant data. Whoever prepares it, the filing responsibility rests with the plan administrator — confirm the division of duties before the deadline.

What the Participant Receives

Separated participants are generally entitled to an individual statement of the deferred vested benefit reported for them. That statement, plus the SSA registry, is what lets someone track down a benefit they earned long after they’ve moved on from the employer.

Filing 8955-SSA Through IRIS

As a native IRIS form type, 8955-SSA can be transmitted electronically alongside a plan sponsor’s other information returns, with the registry’s participant records mapping to dedicated elements.

Large plans can have long participant lists, which makes electronic filing the practical path. The IRIS workflow is the same as elsewhere: validate the records, transmit, and receive a Receipt ID as proof.

Filing for large or multiple plans?

e1099f files 8955-SSA as validated IRIS XML from your participant data.

See how it works

Frequently Asked Questions

Is Form 8955-SSA new?
No — it’s an established ERISA filing. What’s new is that IRIS accepts it as a native form type for electronic filing.
Who files it?
The plan administrator (often with a recordkeeper or TPA preparing it) for plans that must register separated participants with deferred vested benefits.
Is it the same as Form 5500?
No. 8955-SSA is filed separately from the Form 5500, though both are part of a plan’s annual reporting.
Do participants get anything?
Separated participants are generally entitled to an individual statement of the deferred vested benefit reported for them.
When is it due?
It follows the plan’s annual reporting timeline, with the exact due date (and any extension) set out in the current IRS instructions.
Can I file 8955-SSA through IRIS?
Yes. IRIS supports 8955-SSA natively, and e1099f files it for you as validated IRIS XML.
DM
Dariel Montesino
Founder, e1099f · Reviewed by a licensed CPA

Dariel writes e1099f’s coverage of new IRS information returns and the FIRE→IRIS migration, drawing on IRS Publications 5717–5719.

Not tax advice. The current IRS and ERISA instructions for Form 8955-SSA are authoritative and may change. Confirm your plan’s obligations with a qualified advisor.

Bring plan filings onto one modern platform.

Your participant data in, validated IRIS XML out.

An unhandled error has occurred. Reload ×

Rejoining the server...

Rejoin failed... trying again in seconds.

Failed to rejoin.
Please retry or reload the page.

The session has been paused by the server.

Failed to resume the session.
Please retry or reload the page.