In order to mitigate conflicts of interest, not later than 180 days after July 21, 2010, the Commodity Futures Trading Commission shall adopt rules which may include numerical limits on the control of, or the voting rights with respect to, any derivatives clearing organization that clears swaps, or swap execution facility or board of trade designated as a contract market that posts swaps or makes swaps available for trading, by a bank holding company (as defined in section 1841 of title 12) with total consolidated assets of $50,000,000,000 or more, a nonbank financial company (as defined in section 5311 of title 12) supervised by the Board, an affiliate of such a bank holding company or nonbank financial company, a swap dealer, major swap participant, or associated person of a swap dealer or major swap participant.