additional_flavor_check_effect

additional_flavor_check_effect = {
	if = {
		limit = {
			is_alive = yes
		}
		if = { # March / Margrave
			limit = {
				OR = {
					AND = {
						vassal_contract_has_flag = has_march_contract
						highest_held_title_tier = tier_duchy
					}
					primary_title ?= {
						has_variable = margrave_flag
					}
				}
			}
			add_character_flag = margrave_flag
		}
		else_if = {
			limit = {
				has_character_flag = margrave_flag
			}
			remove_character_flag = margrave_flag
		}
		if = {
			limit = {
				primary_title ?= title:e_hindustan
			}
			add_character_flag = e_hindustan
		}
		else_if = {
			limit = {
				has_character_flag = e_hindustan
			}
			remove_character_flag = e_hindustan
		}
		if = { # Palatinate (Duchy Tier)
			limit = {
				OR = {
					AND = {
						vassal_contract_has_flag = has_palatinate_contract
						highest_held_title_tier = tier_duchy
					}
					primary_title ?= {
						has_variable = duchy_palatinate_flag
					}
				}
			}
			add_character_flag = duchy_palatinate_flag
		}
		else_if = {
			limit = {
				has_character_flag = duchy_palatinate_flag
			}
			remove_character_flag = duchy_palatinate_flag
		}
		if = { # Palatinate (County Tier)
			limit = {
				OR = {
					AND = {
						vassal_contract_has_flag = has_palatinate_contract
						highest_held_title_tier = tier_county
					}
					primary_title ?= {
						has_variable = county_palatinate_flag
					}
				}
			}
			add_character_flag = county_palatinate_flag
		}
		else_if = {
			limit = {
				has_character_flag = county_palatinate_flag
			}
			remove_character_flag = county_palatinate_flag
		}
		if = { # Castellan / Burgrave
			limit = {
				OR = {
					AND = {
						vassal_contract_has_flag = has_castellan_contract
						highest_held_title_tier = tier_county
					}
					primary_title ?= {
						has_variable = castellan_flag
					}
				}
			}
			add_character_flag = castellan_flag
		}
		else_if = {
			limit = {
				has_character_flag = castellan_flag
			}
			remove_character_flag = castellan_flag
		}
		if = { # Tenno
			limit = {
				primary_title ?= { has_variable = ceremonial_liege_flag }
			}
			add_character_flag = ceremonial_liege_flag
		}
		else_if = {
			limit = {
				has_character_flag = ceremonial_liege_flag
			}
			remove_character_flag = ceremonial_liege_flag
		}
	}
}

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