Here is the link to the document mentioned below:

Cabinet Office paper: Conditions for military action
The paper, produced by the Cabinet Office on July 21, 2002, is incomplete because the last page is missing. The following is a transcript rather than the original document in order to protect the source.
PERSONAL SECRET UK EYES ONLY
NI_MPU('middle');
IRAQ: CONDITIONS FOR MILITARY ACTION (A Note by Officials)

http://www.timesonline.co.uk/article/0,,2089-1648758,00.html