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Federal Reserve Board Vice Chair for Supervision Michael S. Barr testifies at a Senate Banking, Housing and Urban Affairs Committee hearing on "Recent Bank Failures and the Federal Regulatory Response" on Capitol Hill in Washington, March 28, 2023.

A top Federal Reserve official on Tuesday unveiled changes to a proposed set of U.S. banking regulations that roughly cuts in half the extra capital that the largest institutions will be forced to hold.

Introduced in July 2023, the regulatory overhaul known as the Basel Endgame would've boosted capital requirements for the world's largest banks by roughly 19%.

Instead, officials at the Fed, the Office of the Comptroller of the Currency and the Federal Deposit Insurance Corp. have agreed to resubmit the massive proposal with a more modest 9% increase to big bank capital, according to prepared remarks from Fed Vice Chair for Supervision Michael Barr.

The change comes after banks, business groups, lawmakers and others weighed in on the possible impact of the original proposal, Barr told an audience at the Brookings Institution.

"This process has led us to conclude that broad and material changes to the proposals are warranted," Barr said in the remarks. "There are benefits and costs to increasing capital requirements. The changes we intend to make will bring these two important objectives into better balance."

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