In particular, it tells a bidder how much capital its so-called Train Operating Company (TOC) would have to hold as a protection for taxpayers against the risk that in the course of operating the franchise the TOC went bust or risked going bust.

BBC: Why all the West Coast bids were wrong

This odd arrangement required the creation of an operating company, Operadora Anderson's, to oversee the restaurants and train management.

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I've actually tried operating that from my days when I was working as part of a train company and it isn't as easy as it sounds.

BBC: Track Record forum: George Muir