The Merchant Code Mapping tab in the Company Card page is where you map merchant codes to expense types. You can assign a merchant code to only one expense type; however, you may assign multiple merchant codes to a single expense type. When a company card transaction enters the system with a merchant code that is not assigned in the table, the system labels the expense type as "Undefined."
You cannot edit merchant codes because industry standards define them. The system pre-loads these defined codes during the initialization process. If a feed provides an unrecognized merchant code, the system adds it and labels it as "Undefined" when it appears in an expense report. You can map this Undefined expense type code just like other merchant codes.




