PJC missing customer number - change from Internal to billed Job

We are new to the PJC module and when we started to setup the jobs, we ASSUMED that we could add the customer numbers later...i ASSUMED wrong.  Now, i have these jobs loaded with transactions and was wondering if there is a way of opening up the job so that thye are not recognized as internal ones.

i don't mind dumping transactions (loaded frm AP) and redoing them but just need to know if there is a better way.  if not, where can i go to download the transactions to reload OR can i reload transactions from the AP module once again.