If we add a tag or a note to each amount in a splitting transaction, we will never see this amount in a tag research or a note research
So adding a tag or a note to each amount of a splitting transaction has no utility
But it is a good idea 😊 if we can use the search function for them.

App Version: 5.4.9 (1099)
Model: SM-S918B
Manufacturer: samsung
Release: 16
Api:36
LocalDB Extension: .mmb
RemoteDB: com.google.android.apps.docs.storage