"Leaving the mice in charge of the cheese..." is how one commentator described the now far from unusual phenomenon of the pre-pack administration sale. But what is meant by a "pre-pack"; are they lawful and what is the legitimate area for concern? While they were fairly uncommon in the past, pre-packs now seem to have become all the rage. Why? What scope is there for challenge or review if abuse is suspected?

What is a "pre-pack"?