The US CFTC also fined NatWest Markets, PNC Bank and Northern Trust for reporting and risk management regulation failures.
CFTC's Giancarlo stated stricter rules on overseeing non-EU clearing houses will damage US derivatives markets.
CFTC’s Timothy Massad outlines the challenges the UK faces ahead of clearing equivalence negotiations after Brexit.
Chris Giancarlo, a Republican and frequent critic of recent CFTC regulation, is widely tipped to become Massad's successor.
Constraints could prompt a future liquidity crisis.
The European Commission has adopted the initial margin rules, which is set to come into force in January 2017.
Swap dealers initially had to comply with margin requirements for a 1 September deadline.
The CFTC has announced further delays to regulating Wall Street's oversea's affiliates.
FIA and ISDA urge the CFTC to divide up RegAT and rethink rules on source codes.