Sullivan & Cromwell Discusses Revised FSOC Guidance on Nonbank SIFI Designations By Dalia O. Blass, Jay Clayton, H. Rodgin Cohen, Eric M. Diamond and Marion Leydier November 14, 2023 by Dalia O. Blass, Jay Clayton, H. Rodgin Cohen, Eric M. Diamond and Marion Leydier On November 3, 2023, the 10 voting members of the Financial Stability Oversight Council (“FSOC” or “Council”)[1] voted unanimously to finalize (1) amendments to its existing interpretive guidance (“2019 Interpretive Guidance”)[2] governing …