Bank of England Governor Mark Carney is defending the integrity of the Bank of England tomorrow, reports Bloomberg.

He’ll have to deliver his “toughest public testimony to date,” adds the outlet, since the central bank has become “embroiled in [a] currency-manipulation scandal.”

Lawmakers will ask Carney about BOE meeting minutes that show “officials knew [there] concerns [that] the foreign-exchange market was being rigged almost eight years ago.”

Read more on Carney’s dilemma.

Also check out:

U.K. interest rates stagnant

Carney an “enemy” of bailouts

“Secrecy was paramount” in getting Carney to BoE: FT