IBG-240..n| Id | Business Term | Section | Card. | Definition | 
|---|---|---|---|---|
| 
            IBT-122
         | Supporting document reference | Shared | 1..1 | An identifier of the supporting document. | 
| 
            IBT-123
         | Supporting document description | Shared | 0..1 | A description of the supporting document. | 
| 
            IBT-124
         | External document location | Shared | 0..1 | The URL (Uniform Resource Locator) that identifies where the external document is located. | 
| 
            IBT-125
         | Attached document | Shared | 0..1 | An attached document embedded as binary object or sent together with the invoice. | 
| 
            IBT-125-1
         | Attached document Mime code | Aligned | 1..1 | A code indentifying the file type. | 
| 
            IBT-125-2
         | Attached document Filename | Shared | 1..1 |