How to send multiple FYI notifications based on cost centre selection

Summary:

How can we send multiple notifications, per expense report line, should the cost centre values differ per line?

As is process: Expense claim approval routes to the claimant’s line manager for approval.
Thereafter, once approved, the Cost Centre Owner receives a FYI notification. The cost centre value referenced, is listed on the claimant's Default Expense Account - listed on the claimant's active HCM Assignment.

To be process: Expense claim approval routes to the claimant’s line manager for approval. Thereafter, once approved, the Cost Centre Owner receives a FYI notification. The cost centre value referenced, should be the cost centre value listed on the expense report.