The transition to the Current Expected Credit Loss model (CECL), instituted by the Financial Accounting Standards Board, has been called the biggest shift ever to bank accounting by banking regulators. It will begin to take effect in Q1 2020, but the time to begin data inventory and analysis is now.
PCBB's white paper, Getting CECL Started: Data Inventory and Analysis, examines the inventory and analysis banks must conduct to prepare for CECL.