Hello Jackie,
The Approver Disqualification feature was added to v18 of Endevor by PTF RO84268. It is located in the ENCOPTBL member of the ENDEVOR CSIQSRC library.
***********************************************************************
* O0007182
* THIS OPTION WILL DISQUALIFY AN APPROVER FROM APPROVING OR DENYING
* A PACKAGE IF THEY HAVE EITHER:
* 1) CREATED, UPDATED, OR CAST THE PACKAGE
* 2) MODIFIED ANY OF THE ELEMENTS WITHIN THE PACKAGE AND THE ACTION
* REQUIRES APPROVAL
For more information on this feature you can GOOGLE the following technical documents;
TEC1145062 and TEC1390762.
This feature is available only for v18 of Endevor.
Tim O'Neill