Keep the benefit record after employment ends
An employee leaving payroll may still have a vested retirement benefit in the plan. Form 8955-SSA reports specified separated participants with deferred vested benefits and subsequent changes. Keep the benefit history connected to the plan census after HR closes the employment record, so the administrator can determine who needs to be reported.
Begin with separation dates, the plan's benefit records and earlier Forms 8955-SSA. Have the administrator identify the reportable year and participant population under the current instructions. A list of everyone terminated during the calendar year is only an input; it does not establish whether benefits remain unpaid or were previously reported.
References: IRS: Instructions for Form 8955-SSA
Distinguish new records from changes to old records
Maintain a history for each participant rather than overwriting last year's status. The instructions distinguish first reporting, corrections, certain transfers and participants who were paid out or no longer have the previously reported entitlement. Record the prior filing year and entry so the preparer can select the appropriate current treatment.
Connect a reported benefit to the supporting account or actuarial record, as applicable to the plan. If the benefit changes, retain the explanation and the administrator's approved value. A bookkeeping adjustment should not silently become a correction to a participant's vested entitlement.
Where benefits move between plans, provide the transfer agreement and both plans' records. Ask the administrator to distinguish a reportable plan transfer from a rollover or another distribution. Those events can look similar in a bank report while requiring different treatment in the participant register.
References: IRS: Instructions for Form 8955-SSA
Follow distributions through to the participant status
Reconcile the register to distribution reports, including payments completed after separation. Check whether a payment exhausted the benefit or left an amount in the plan. A distribution request and an actual completed payment are separate evidence, particularly when a payment was rejected or a check remains unresolved.
For an illustrative former employee, the recordkeeper shows a partial distribution and a remaining vested balance. Marking that person fully paid merely because a distribution occurred would lose the remaining benefit from the review. Retain the opening balance, payment and residual amount for the administrator's reporting decision.
Track a later rehire or other status change without deleting the original separation and reporting history. Ask the administrator how the current facts affect the required entry. The person preparing the next return should be able to see what was reported previously and why it changed.
Protect participant details and file through the correct channel
Form 8955-SSA is a stand-alone IRS filing. The instructions expressly say not to attach it to Form 5500 or Form 5500-SF. Keep the participant-level data out of the publicly available annual-report attachments and use the approved restricted channel when sharing the register with the preparer.
Reconcile the proposed filing to the register and confirm responsibility for any required participant statements. Retain submission evidence separately from the Form 5500 filing receipt. If no Form 8955-SSA is required for a year, preserve the administrator's conclusion and the population reviewed, so an empty filing folder has an explanation.
At the next close, begin from the filed register and add the year's changes. This preserves older unpaid benefits that would disappear if the team rebuilt the list from current payroll alone.
References: IRS: Instructions for Form 8955-SSA
Sources
Requirements and product details can change. Check the linked guidance for the facts that apply to your situation.
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