Barbarian kings established legitimacy through connecting themselves to the Roman Empire. Virtually all barbarian rulers assumed the style dominus noster ("our lord"), previously used by Roman emperors, and many assumed the praenomen Flavius, borne by nearly all Roman emperors in late antiquity. Most rulers also assumed a subordinate position in diplomacy with the remaining Eastern Roman Empire. Many aspects of the late Roman administration survived under barbarian rule, though the old system gradually dissolved and disappeared, a process accelerated by periods of political turmoil.

I'D SAY LOCAL GOVERNMENT STRUCTURE IS KEPT AROUND FOR INTERFACING WITH FED ETC BUT WITHIN THE LOCALITY THESE FUNCTIONARIES HAVE NO POWER THE CARTEL HAS A PET STATE GOVERNOR THAT KIND OF THING