| 1 | executing firm |
| 10 | settlement location |
| 11 | order origination trader |
| 12 | executing trader |
| 13 | order origination firm |
| 14 | giveup clearing firm |
| 15 | correspondant clearing firm |
| 16 | executing system |
| 17 | contra firm |
| 18 | contra clearing firm |
| 19 | sponsoring firm |
| 2 | broker of credit |
| 20 | underlying contra firm |
| 3 | client id |
| 4 | clearing firm |
| 5 | investor id |
| 6 | introducing firm |
| 7 | entering firm |
| 8 | locate |
| 9 | fund manager client id |