This is a controlled document. Additional copies can be obtained through the issuing authority. Amendment shall be by whole document replacement. Proposals for change are to be forwarded to the issuing authority.
| Issue No | Details Of Amendments Made | Amended By | Date |
| A | First draft for internal review | S Fraser | February 2009 |
| B | Consultation Draft | G Oates | February 2009 |
| 1 | Revised to reflect improvements in content following consultation and to accommodate reference to Addendum 2 to MOD PAv1 which contains the revised Part 18 (Change) of MOD PAv1
| G Oates | February 2010 |