Since this is a general issue with all satellite states*, what might be of good use, would be a set of events which check for a major power having issued rights, and then automatically issuing the same rights to the satellite/vassal.
The question is, how to assess the status of having given rights?
* Are vassal states synonymous with satellite states, or are there differences? If there are differences, what are they?
What are the levels of minor faction relationship with major factions at all?
If I understand correctly, minor factions can be allied with a major faction. Is there a step between ally and satellite?
So many question, so few answers