The changes mandated by the recent regulatory relief law would narrow the definition of "high-volatility commercial real estate" exposures that get a higher risk weight.
The proposal, required by the regulatory relief package that Congress passed in May, would exempt the healthiest banks from having to count reciprocal deposits as brokered deposits.
The House Financial Services Committee has steadily passed regulatory reform legislation this year. But any measure faces a stiffer challenge in the upper chamber.
Regulators will continue to issue guidance to articulate general views on appropriate practices, but they will not issue enforcement actions based on violations.
The former head of the agency said the proposed changes to the enhanced supplementary leverage ratio will make banks vulnerable to disruption and failure.