tgp_japan_defense_mobilization_valid_trigger

tgp_japan_defense_mobilization_valid_trigger = {
	custom_tooltip = {
		text = defense_mobilization_law_valid_trigger
		exists = capital_county
		OR = {
			AND = {
				is_at_war = yes
				save_temporary_scope_as = liege_temp
				any_character_war = {
					is_civil_war = no
					save_temporary_scope_as = war_temp
					scope:liege_temp = {
						is_leader_in_war = scope:war_temp
						is_defender_in_war = scope:war_temp
					}
					OR = {
						# CURRENT ATTACKERS COMBINED ARE A THREAT
						war_attacker_total_strength_value > scope:liege_temp.max_strength_fifty_percent_value
						# PRIMARY ATTACKER WITH ALLIES IS A THREAT
						primary_attacker.max_strength_with_allies_value > scope:liege_temp.max_strength_fifty_percent_value
					}
					primary_attacker = {
						OR = {
							capital_county.empire != scope:liege_temp.capital_county.empire
							NOT = { government_is_japanese_trigger = yes }
						}
					}
				}
			}
			capital_county.empire ?= {
				any_de_jure_county = { holder.top_liege != root.top_liege }
			}
		}
	}
}

As written in game/common/scripted_triggers/10_tgp_japan_triggers.txt.