The Serious Fraud Office in London, which began investigating the case this summer, said its inquiry would continue.
The Serious Fraud Office has been forced to abandon the biggest prosecution it has ever brought.
The Serious Fraud Office had agreed not to oppose bail if the stringent conditions were imposed.
The Serious Fraud Office has powers of investigation, and it is exercising them.
The Serious Fraud Office now regard the case as closed.
The Serious Fraud Office has seen its budget slashed in recent years, from more than £50m per year in 2009 to just over £30m by 2015.
The Serious Fraud Office has been refused permission to appeal after an alleged drugs price fixing case was thrown out.
The Serious Fraud Office was brought in and the company subsequently collapsed with debts of £1.3 billion.
The Serious Fraud Office will start operations Wednesday and take over several current police investigations.
The Serious Fraud Office is considering investigating the Lewis's store group's pension fund.
