| EXCO420 | Completion form instructions |
| EXCO440 | Column 1 – Date of exchange |
| EXCO460 | Column 2 – Type of request |
| EXCO480 | Column 3 – UK Officer |
| EXCO500 | Column 4 – Method of Exchange |
| EXCO520 | Column 5 – Trader Name or Operational Name, Project Name, Multilateral Control (MLC) Reference |
| EXCO540 | Column 6 – Member States |
| EXCO560 | Column 7 – OMS officer/Office |
| EXCO580 | Column 8 – Type of Exchange |
| EXCO600 | Column 9 – Date response received/responded |
| EXCO620 | Column 10 – Response received/responded within three months |
| EXCO640 | Column 11 – Date contact made with UK CLO |
| EXCO660 | Column 12 – Revised agreed date for responding to Member State request |
| EXCO680 | Column 13 – Description of information exchanges |
| EXCO700 | Column 14 – Positive Outcomes |
