Over 30 current and former Democratic lawmakers filed a new amicus brief Monday supporting Consumer Financial Protection Bureau Deputy Director Leandra English to be reinstated as acting director of the agency.

The brief, which included Sens. Sherrod Brown and Elizabeth Warren as well as former lawmakers like Barney Frank and Chris Dodd, argues that Congress intended for the CFPB to be an independent agency, a status that they say was threatened when President Donald Trump named Mick Mulvaney, the director of the Office of Management and Budget, to also be the acting director of the CFPB.

Democrats had filed an earlier brief in support of English's temporary restraining order request to halt Mulvaney's appointment. A judge denied that order, validating Mulvaney as the current acting director, but a full ruling on the merits of English's case is still pending. Arguments in the case are scheduled to be heard December 22.

Read more in American Banker.