Citigroup Inc. Chairman Richard D. Parsons said he supports tougher regulation for the banking sector in the aftermath of the financial crisis.

In an interview with the French news and current affairs television channel France 24 to be broadcast late Tuesday, Parsons called increased capital requirements and greater supervision for banks "probably a good thing," along with a more responsible approach toward consumer lending and a step away from riskier activities such as proprietary trading.

"Those were things we at Citigroup encouraged, supported the government and worked with them on," Parsons said.

Asked about whistle-blowing website WikiLeaks' planned release of documents from a U.S. financial institution early next year, Parsons said these documents are unlikely to refer to Citigroup.

"I don't think it's us," he said. "I don't know who it is, but it's not keeping me awake at night."

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