can_be_court_chaplain_trigger

can_be_court_chaplain_trigger = {
	save_temporary_scope_as = court_chaplain_check
	can_be_councillor_basics_trigger = yes
	$COURT_OWNER$ ?= {
		NOT = { government_has_flag = government_is_nomadic }
	}
	NOR = {
		has_council_position = councillor_spouse
		AND = {
			this = liege.diarch
			liege = { has_diarchy_active_parameter = diarchy_is_vizierate }
		}
	}
	$COURT_OWNER$.rite = { rite_has_allowed_gender_for_clergy = scope:court_chaplain_check }
	faith = $COURT_OWNER$.faith
	rite = { rite_has_allowed_gender_for_clergy = scope:court_chaplain_check }
	trigger_if = {
		limit = {
			rite = { rite_has_doctrine = doctrine_theocracy_temporal }
		}
		OR = {
			is_ruler = no
			government_has_flag = government_is_theocracy
		}
	}
	trigger_if = {
		limit = {
			exists = var:escaped_imprisonment_from
		}
		NOT = { var:escaped_imprisonment_from = $COURT_OWNER$ }
	}
	trigger_if = { # An excommunicated ruler tolerate excommunicated bishops
		limit = {
			$COURT_OWNER$ ?= { NOT = { has_trait = excommunicated } }
		}
		NOT = { has_trait = excommunicated }
	}
	trigger_if = { # Married characters are excluded if the doctrine is not there
		limit = {
			rite = {
				NOT = { rite_has_parameter = clergy_can_marry }
			}
		}
		is_married = no
	}
}

As written in game/common/scripted_triggers/00_councillor_triggers.txt.