Hi,
Here is a simple setting just to demonstrate how it works:
I want my RIB objects be the same level of budget objects. In this case I do NOT need to create a derivation rule to derive RIB objects. Now, a simple rule to derive RIB rule can be like (source is revenue, target is expense):
Rule Value:
Generate RIB Rule - selection screen (the account assignment is the source in the derivation rule and you have to specify whether they are budget address or posting address or budget structure ):
Result (2 rules generated based on the above derivation):
Hope this helps.
Regards