Windsor Terrace Healthcare’s chapter 11 plan became effective on September 19, 2024, moving the case from confirmation into plan implementation. The debtor’s effective-date notice states that the court had confirmed the Debtors’ Plan of Reorganization dated June 11, 2024, as amended, on September 4, and that the plan conditions were satisfied as of September 19.

The immediate consequence is deadline pressure for estate-facing claims. Administrative claims must be filed and served by October 19, 2024, or they are barred, while rejection-damage claims are due by the later of 30 days after service of the effective-date notice or 30 days after entry of the applicable rejection order. Professionals tracking personal-injury, vendor, lease, or contract exposure should treat this as the operative transition point: remaining disputes now move through post-effective-date claims administration rather than pre-confirmation plan leverage.