How to handle back dated life events after OE closed.

Summary:

We have closed the OE for 1.1.2026 and customer is asking to process Child Aged Out life event on 31.12.2025 for 50 employees. How to handle this life event without Backing out OE and Employee intervention again. There is a reinstatement rule in OE window, but not sure how it works for OE.

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