After a period away from the organization, Rystar is rehired. Monday is her first day back, and her old benefits record still says “eligible.” But she has returned in a role with different scheduled hours. Should HR carry the old status forward or check her eligibility again?
HR should verify Rystar’s eligibility under each plan’s rehire terms and her current work details. The old status alone isn’t enough to make that decision, and HR shouldn’t automatically reset her eligibility either. The plan terms determine how prior service and rehire are handled. That’s why I review each benefit separately: health, retirement, life, disability, and paid leave plans can have different eligibility rules.
For an ERISA-covered plan, the Summary Plan Description (SPD) explains how the plan works and summarizes benefits and participant rights. Use it as a starting point, then check the plan document or insurance materials for the terms that apply (U.S. Department of Labor, n.d.-b).
Use this checklist:
- List the benefits Rystar had before leaving. Note each plan’s eligibility rules, rehire terms, enrollment deadline, and effective-date rule. A decision about health coverage does not automatically answer the same question for another benefit.
- Confirm her current work details. Check Rystar’s rehire date, job classification, scheduled hours, work location, and any other details the plan uses to determine eligibility. Compare them with the plan’s written requirements.
- Check eligibility before counting a waiting period. Determine whether Rystar’s current role and work status meet the plan’s eligibility conditions. Then check whether a waiting period applies and when it begins. The Department of Labor’s plain-language overview explains that a group health plan’s waiting period generally may last up to 90 days after an employee becomes eligible (U.S. Department of Labor, n.d.-a). HealthCare.gov defines a waiting period as time that must pass before coverage begins for someone who is otherwise eligible (HealthCare.gov, n.d.).
- Apply the rehire rule to the facts. A group health plan may treat someone who left and returned as newly eligible, and apply its eligibility criteria and waiting period again, when that is reasonable. The rule bars using a termination and rehire to get around the 90-day limit. Read the federal rule’s rehire provision for that specific point (Prohibition on waiting periods that exceed 90 days, 2026). This rule applies to group health coverage; it does not set waiting periods for every benefit.
- Confirm and communicate the result. Verify the enrollment deadline and effective date. Update the benefits record, check that any payroll deduction matches the confirmed enrollment, and tell Rystar what action she needs to take and by when. If the plan documents leave a question, ask the plan administrator or insurer before giving her a coverage date.
Fictional example: Rystar returns in a part-time role after previously working full time. HR checks the plan’s hours requirement and rehire terms before deciding whether her old eligibility carries forward. The plan’s terms—not just the prior record—guide the decision.
The quiet liability is a mismatch: HR tells Rystar one coverage date, while the enrollment record or payroll deduction shows another. Confirm the date and any action she needs to take in writing, then make sure the record reflects the same decision.
Rize with Clarity. Lead With Confidence.
References
HealthCare.gov. (n.d.). Waiting period (job-based coverage). https://www.healthcare.gov/glossary/waiting-period-job-based-coverage/
Prohibition on waiting periods that exceed 90 days, 26 C.F.R. § 54.9815-2708 (2026). https://www.ecfr.gov/current/title-26/chapter-I/subchapter-D/part-54/section-54.9815-2708
U.S. Department of Labor. (n.d.-a). Changing jobs and job loss. https://www.dol.gov/agencies/ebsa/workers-and-families/changing-jobs-and-job-loss
U.S. Department of Labor. (n.d.-b). Plan information. https://www.dol.gov/general/topic/health-plans/planinformation
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