| Code value | Code name |
|---|
| 1 | Customer |
| 2 | CRO (Customer Reservations Office) |
| 3 | Corporation representative |
| 4 | Company |
| 5 | Travel agency |
| 6 | Airline |
| 7 | Wholesaler |
| 8 | Car rental |
| 9 | Group |
| 10 | Hotel |
| 11 | Tour operator |
| 12 | Cruise line |
| 13 | Internet broker |
| 14 | Reservation |
| 15 | Cancellation |
16 | Reference |
17 | Meeting planning agency |
18 | Other |
19 | Insurance agency |
20 | Insurance agent |
21 | Profile |
22 | ERSP (Electronic reservation service provider) |
23 | Provisional reservation |
24 | Travel Agent PNR |
| 25 | Associated reservation |
| 26 | Associated itinerary reservation |
| 27 | Associated shared reservation |
28 | Alliance |
29 | Booking agent |
30 | Ticket |
31 | Divided reservation |
| 32 | Merchant |
| 33 | Acquirer |
| 34 | Master reference |
| 35 | Purged master reference |
| 36 | Parent reference |
| 37 | Child reference |
| 38 | Linked reference |
| 39 | Contract |
| 40 | Confirmation number |
41 | Fare quote |
42 | Reissue/refund quote |
43 | Ground transportation supplier |
44 | EMD |