The EI account was a bookkeeping entry as a way of tracking the ins and outs of EI premium revenues versus EI benefits. All of the accounts are consolidated with the consolidated revenue fund and are part of general revenues, so it wasn't a matter of moving cash from one account to the other but simply a matter of how the ins and outs of the EI account were tracked.
On November 5th, 2012. See this statement in context.