OnBehalfOfCompID

Assigned value used to identify firm originating message if the message was delivered by a third party i.e. the third party firm identifier would be delivered in the SenderCompID field and the firm originating the message in this field.

用于识别发出消息的企业的指定值，若消息由第三方传递，即第三方企业标识将在发送者公司标识（SenderCompID）字段中传递，而发出消息的企业则在本字段中标识。