In all, Citi accidentally sent US$900 million to Revlon's lenders. Citibank filed a lawsuit in August seeking the return of its funds, but it still has not received US$500 million from 10 investment advisory firms after the accidental transfer. An exception to the rule The law usually punishes those who spend money accidentally deposited in their accounts. Accidental transfers are common in the digital age, and wires can be paid back instantly. A Pennsylvania couple faced felony charges after spending money accidentally deposited in their account. But New York law has exceptions to this rule, known as the "discharge-for-value-defence." READ MORE: