| Type : StringLength1to64 |
| Definition |
| Reference of the billing account which handles the payment transaction. |
| Parents |
| \OTA_AirBookModifyRQ\AirBookModifyRQ\Fulfillment\PaymentDetails\PaymentDetail\DirectBill
\OTA_AirBookModifyRQ\AirBookModifyRQ\Fulfillment\PaymentDetails\PaymentDetail\Voucher |