Green’s Dictionary of Slang

bail n.

[fig. use of SE bail, temporary release from prison in exchange for securities]

credit.

[UK]J.J. Connolly Layer Cake 103: It would help the price if we could have bail on the goods.
[UK]N. ‘Razor’ Smith Raiders 165: Andy, like most kiters, would often get the [cheque] books on bail and pay the supplier out of the proceeds.