This is root element of this document which contains name space definitions for the document elements. It's a referenced element. For detailed description, please refer referenced element doc. It's a referenced element. For detailed description, please refer referenced element doc. Description is not available. The unique identifier of the division. Provide an extension hook to customize XMrchHrDivRef. Provide an extension hook to localize XMrchHrDivRef. This type can hold a number of digits count 4.