This document contains final regulations that provide guidance to Blue Cross and Blue Shield organizations, and certain other organizations, on computing and applying the medical loss ratio and the consequences for not meeting the medical loss ratio threshold. The final regulations reflect the enactment of a technical correction to section 833(c)(5) of the Internal Revenue Code by the Consolidated and Further Continuing Appropriations Act of 2015. The final regulations affect Blue Cross and Blue Shield organizations, and certain other organizations involved in providing health insurance.