For the current relationship of this specification to others, see this specification group: DCCI.
| 2010-06-29 | Note |
| 2007-12-21 | Candidate Recommendation |
| 2007-07-04 | Last Call Working Draft |
| 2006-10-19 | Candidate Recommendation |
| 2005-11-11 | Last Call Working Draft |
| 2004-11-22 | Last Call Working Draft |
| 2004-07-28 | First Public Draft |