; and (B) investment grade. . (b) Amendment to liquidity coverage ratio regulations Not later than 90 days after the date of enactment of this Act, the Federal Deposit Insurance Corporation, the Board of Governors of the Federal Reserve System, and the Comptroller of the Currency shall amend the final rule entitled Liquidity Coverage Ratio: Liquidity Risk Measurement Standards (79 Fed. Reg. 61439 (October 10, 2014)) and the final rule entitled Liquidity Coverage Ratio: Treatment of U.S. Municipal Securities as High-Quality Liquid Assets (81 Fed. Reg. 21223 (April 11, 2016)) to implement the amendments made by this Act.