Is there a setting that prevents a customer from credit checking?

We are having a problem generating EDI 855s because they are generated using the invoice UBE, R42565, and the 855 is not generated if the order is on credit hold.

Is there a way to prevent certain customers from going on credit hold?  If not, we are looking at some sort of customization because this is becoming a big problem.  Sure wish the 855 and invoice generation were separate programs.