> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# BookStructureDate

> The BookStructureDate hierarchy in the Dates dimension, defining the as-of date used by BookHierarchy, Desks, Categories, FRTB Model, PLA Zone, and IRT Desk hierarchies

|                 |                                              |
| --------------- | -------------------------------------------- |
| **Description** | Trade date from the BookHierarchy structure. |
| **Dimension**   | Dates                                        |
| **Hierarchy**   | BookStructureDate                            |
| **Levels**      | \[ALL, BookStructureDate]                    |

This defines the asOfDate used for the following hierarchies:

* [Bookhierarchy](./bookhierarchy)
* [Desks](./desks)
* [Categories](./categories)
* [FRTB Model](./frtb-model)
* [PLA Zone](./pla-zone)
* [IRT Desk](./irt-desk)