Bloomberg reported that a California advocacy group is calling on regulators to hold hearings on the biggest U.S. bank sale of 2014.

Bloomberg notes the target of that deal, OneWest Bank, is pushing back in an unusual way.

Bloomberg said that OneWest CEO Joseph Otting sent an e-mail to his contacts on Wall Street this week asking for help to discourage bank overseers from holding public hearings on its $3.4 billion takeover by CIT Group.

To view the full Bloomberg report, click here.