Item Relationship Ranking

Summary: I see in Oracle doc, it is mentioned that

If We’ve selected "customer" as the Trading Partner Item, then optionally specify the rank.
But i wanted to check if Oracle allows us to specify Rank when the Trading partner Item is selected as Supplier or Manufacturer ?
In our case, we are especially concerned about specifying Ranking to Suppliers, as our client has multiple suppliers for one particular item and when we associate those supplier to one particular item, Client wants those to be prioritized using Ranks.

Pls suggest.

Thanks in Advance.

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