Payment for Single Company Account having multiple entities transactions

Summary:

As per oracle implementation guide - Oracle support -Simplified Configuration for MasterCard CDF3 -

"You can set up your company account with MasterCard under a single company account number globally. This simplified configuration supports corporate card transaction files that are generated for multiple entities in your company under a single company account number.

The same setup is also available for Visa card programs.

To simplify your company account setup on the Create Company Account dialog box, you're not required to enter values for these fields:

• Company Account Number

• Card Issuer Number

• Processor-Assigned Number"

In the Create Company Account page, the fields for Payment Business Unit and Payment Currency are required. If there is only one company account, which Business Unit (BU) and Currency should be selected, considering that each entity has its own BU and each BU has its own currency?