|  AdditionalItem | This is intended as a flexible component that may be used for extensions agreed upon by trading-partners. This should be used sparingly as its use is regarded as an extension requiring a trading partner agreement. This is intended as a flexible component that may be used for extensions agreed upon by trading-partners. This should be used sparingly as its use is regarded as an extension requiring a trading partner agreement. | 
|  Description |  | 
| StatusDateTime | The date associated with a status code or description.This is formatted representation of a date, which may be specified as a date, date/time, year, or year/month. | 
| UserID | A character string or name distinquishing a user to a system or process. Generally used in context of system login or access. |