This mapping is only used for the trade-level cubes.
In the IMA, there are some summary cubes that do not include a trade-level and, for these, each fact is at the book and legal entity level.
References:
- BookDescription by Book and AsOfDate
- BookHierarchy by Book and AsOfDate
- LegalEntityHierarchy by LegalEntity and AsOfDate
- LegalEntityAttributes by LegalEntity and AsOfDate
- Categories by Book and AsOfDate