Pop-up Notification in AP invoice creation

Summary:
Business requirement is for adding a pop-up notification related to Invoice Date while creating AP Invoice.

Content (please ensure you mask any confidential information):

Hi,

We've supplier classification defined as MSME and Non-MSME.
For MSME suppliers when an AP invoice is getting created and the
'Invoice Date' is 40 or more days older than the Creation Date, business
requires a pop-up notification to appear to the user stating that
"The Invoice is for an MSME supplier and is 40 or more days older". This
notification will not stop the user from creating the invoice, but it just has to work as a