Add Alternate Site Name to Invoice page

We have utilized "Alternate Site Name" on a Supplier Site to hold an Alternate Payee Name, which helps identify different site purposes, like for state or city government suppliers, holding a department name that needs to be used. We have considered using Site Name for this purpose, but we are also trying to minimize the changes to the overall structure to the Supplier Master as much as possible and keeping the existing Site Names is what the client requested.

When creating an invoice, we need to be able to see the Alternate Site Name to ensure we have the proper site selected. I tried using page composer to see if it was available to be enabled but did not find it. When we search for a Site, if we go to Advanced, Add Fields, Alternate Site Name is an option to add as a search parameter, but not as a value returned from the search. In order for us to use it, the user would have to know the value that was there to perform the