FA security by book-assign one book to two different organizations.

Hi,

we have following requirement and that need to be achieved by FA security by book option. how this will be achieved when it is not possible to assign one book to two different organizations.

1. we have three asset books called

     A. Argentina      (corp book)

     B.  ARG STAT  ( TAX book, attached to Argentina corp book)

     C. ARG TAX     ( TAX book, attached to Argentina corp book)

the above Three books can be accessed from FA Manager - ARG responsibility and both TAX Books( Not corp book) can be accessed from FA Manager -ARG STAT.

How can we achieve when we cannot assign  one book to two different organizations.?