convert_to_administrative_from_feudalism_game_start_effect

convert_to_administrative_from_feudalism_game_start_effect = {
	if = {
		limit = { has_dlc_feature = roads_to_power }
		# Because we run this twice, since folks can change in the lobby.
		if = {
			limit = {
				NOT = { government_has_mechanic = administrative }
			}
			change_government = administrative_government
			create_noble_family_effect = { GOVERNMENT_GIVER = this }
			add_to_list = estatified_list
		}

		every_vassal_or_below = {
			limit = {
				highest_held_title_tier >= tier_county
				OR = {
					government_has_flag = government_is_feudal
					government_has_flag = government_is_clan
					government_has_flag = government_is_tribal
				}
				NOR = {
					faith.religious_head ?= this
					liege = {
						faith.religious_head ?= this
						top_liege != this
					}
					AND = {
						exists = scope:ignore_culture
						culture = scope:ignore_culture
					}
				}
			}
			change_to_administrative_effect = yes
		}
	}
}

As written in game/common/scripted_effects/00_ep3_decision_effects.txt.