| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 665 | 2010 | 12 | 2011 | 12.1 |
This new data item was proposed for inclusion in Version 12 but the request was withdrawn prior to implementation of the standard. The data item was retired in Version 12.1, as of January 1, 2011.