Sage 300

I already have the default setting that prevents an invoice from being entered twice, but is there a way to extend this to prevent duplicates across all companies in our system? Almost all of the bills that come to my office are addressed to 1 company…

I've been attempting to import AP invoice details into Sage 300, and I've been successful in getting all of the distribution details to import. However, I cannot determine from a prior batch export which field I need to include for the Document Total…