. the revised capital framework requires a minimum supplementary leverage ratio of 3% ( 3 % ) , effective january 1 , 2018 , but with disclosure required beginning in the first quarter of 2015 . in addition , subsequent to the approval of the revised capital framework , the agencies issued a proposal to increase the minimum supplementary leverage ratio requirement for the largest u.s . banks ( those deemed to be global systemically important banking institutions ( g-sibs ) under the basel g-sib framework )