It will go in the jobOwner field in the PJL command added in front of the job.

Paused the print queue and go to C:\Windows\System32\spool\PRINTERS
and look at the file with the extension .SPL

In it you will see your value. You might need to configure RightFax to use that value.
99 frigging bugs in my code
99 frigging bugs
Take one down
Code around
127 frigging bugs in my code