Description: Regulators observed a wide range of practice from early adopters of PBR in regard to the treatment of non-guaranteed reinsurance and adopted a formulaic solution on an interim basis for the 2020 Valuation Manual. A field test, supplemented with additional analysis performed using a model-office approach with representative models, is being performed over the first half of 2020 to inform regulators as they select a longer-term solution. This session will provide an update on this important issue as well as perspectives on how the resolution of this issue was approached and lessons learned for the future from those intimately involved in this work.