Effective January 1, 2015, the minimum capital standards under Basel III, as well as the prompt corrective action standards discussed below, increased from previous requirements as a result of changes adopted by the federal banking agencies, which are described in greater detail below under “Basel III.” In addition, in December 2018, the U.S. federal banking agencies finalized rules that would permit bank holding companies and banks to phase-in, for regulatory capital purposes, the day-one impact of the new current expected credit loss accounting rule in retained earnings over a period of three years.