The committee draft (CD) is the 1st general consultation for the next revision to the ISO 14001 standard. ISO members (usually individual countries) that have decided to help out in the development of this update will be asked to comment on the changes and how it will affect them. Although you can buy a copy of this draft document on the iso.org website, the general public cannot officially comment on it at this stage.
This document is known as ISO/CD 14001.
Each ISO members comments will be discussed by experts from the ISO/TC 207 technical committee. Once agreement has been reached a Draft International Standard (DIS) is then released for public comment.
This document is known as ISO/DIS 14001.
As with the previous DIS stage, all comments are discussed by the technical committee to ensure that all parties comments and interests have been addressed. Minor changes may be made at this stage, but based on previous revisions to the ISO 14001 standard, the FDIS document remains largely unchanged.
Once all of the drafting stages have been accepted, it then becomes a published document with a new date at the end (hopefully ISO 14001:2015)
If all goes according to plan and the revised standard is published in 2015, a transition period is given before ISO 14001 : 2004 becomes out-of-date.
This usually happens approx. 3 years after the standard is revised.