| PTI-03-03 | Proposal to amend UN Rule No. 1 | |
| PTI-03-13 | Working draft proposal to amend UN Rule No. 1 pursuant to the 3rd PTI informal group session | |
| PTI-03-05 | Comments from Romania on the further development of the 1997 Agreement | |
| PTI-03-04 | Proposal to amend UN Rule No. 2 | |
| PTI-03-03 | Proposal to amend UN Rule No. 1 |