CECL requires a complex set of methological choices. Accenture, Global Credit Data, and the Institute of International Finance partnered to provide U.S. banks with a benchmark to help them assess their readiness to implement CECL. Step 1 was a detailed survey, to be downloaded here. The results offer insight into the challenges faced by the banks in the areas of data management, model development, and technology/ implementation. Step 2 is a benchmarking study.