The regulator said the trade repository negligently failed to provide access to derivatives data.
Regulators want to ensure a smooth transition to reformed benchmark rates.
The latest run was a 143% increase on the previous record of $1.6 trillion.
Findings coincide with the start of The Derivatives Service Bureau's second consultation.
Bank of China now has access to clearing of interest rate derivatives at LCH.
UK bourse is looking to do more business in Asia and the Americas.
Giancarlo said he intends to call three rulemakings for a vote before he leaves the CFTC.
In the last few years the upward trend in clearing has leveled off.
The US regulator will propose a rule next month on overseeing third-country CCPs.