diff --git a/common/scripted_triggers/00_building_requirement_triggers.txt b/common/scripted_triggers/00_building_requirement_triggers.txt
new file mode 100644
index 00000000..7196420d
--- /dev/null
+++ b/common/scripted_triggers/00_building_requirement_triggers.txt
@@ -0,0 +1,940 @@
+######################################################################
+# Government
+######################################################################
+
+building_requirement_tribal = {
+	scope:holder ?= {
+		OR = {
+			government_has_flag = government_is_tribal
+			government_has_flag = government_is_nomadic
+			government_has_flag = government_is_wanua
+		}
+	}
+}
+
+building_requirement_wanua = {
+	scope:holder ?= {
+		government_has_flag = government_is_wanua
+	}
+}
+
+building_requirement_tribal_holding_in_county = {
+	NOT = {
+		county = {
+			any_county_province = {
+				has_holding_type = tribal_holding
+			}
+		}
+	}
+}
+
+building_requirement_nomad = {
+	scope:holder ?= {
+		government_has_flag = government_is_nomadic
+	}
+}
+
+building_requirement_nomad_holding_in_county = {
+	NOT = {
+		county = {
+			any_county_province = {
+				has_holding_type = nomad_holding
+			}
+		}
+	}
+}
+
+building_requirement_herder = {
+	scope:holder ?= {
+		government_has_flag = government_is_herder
+	}
+}
+
+building_requirement_herder_holding_in_county = {
+	NOT = {
+		county = {
+			any_county_province = {
+				has_holding_type = herder_holding
+			}
+		}
+	}
+}
+
+######################################################################
+# Holding Level
+######################################################################
+
+building_requirement_castle_city_church = {
+	trigger_if = {
+		limit = { has_holding_type = castle_holding }
+		has_building_or_higher = castle_$LEVEL$
+	}
+	trigger_else_if = {
+		limit = { has_holding_type = city_holding }
+		has_building_or_higher = city_$LEVEL$
+	}
+	trigger_else_if = {
+		limit = { has_holding_type = church_holding }
+		has_building_or_higher = temple_$LEVEL$
+	}
+	trigger_else_if = {
+		limit = { has_holding_type = temple_citadel_holding }
+		has_building_or_higher = temple_citadel_$LEVEL$
+	}
+	trigger_else = {
+		custom_description = {
+			text = "building_requirement_castle_city_church_failed"
+			always = no
+		}
+	}
+}
+
+building_requirement_castle_city_church_temple_citadel_tribe = {
+	trigger_if = {
+		limit = { has_holding_type = castle_holding }
+		has_building_or_higher = castle_$LEVEL$
+	}
+	trigger_else_if = {
+		limit = { has_holding_type = city_holding }
+		has_building_or_higher = city_$LEVEL$
+	}
+	trigger_else_if = {
+		limit = { has_holding_type = church_holding }
+		has_building_or_higher = temple_$LEVEL$
+	}
+	trigger_else_if = {
+		limit = { has_holding_type = temple_citadel_holding }
+		has_building_or_higher = temple_citadel_$LEVEL$
+	}
+	trigger_else_if = {
+		limit = { has_holding_type = tribal_holding }
+		trigger_if = {
+			limit = {
+				$LEVEL$ > 1
+			}
+			has_building_or_higher = tribe_02
+		}
+		trigger_else = { has_building_or_higher = tribe_01 }
+	}
+	trigger_else = {
+		custom_description = {
+			text = "building_requirement_castle_city_church_tribe_failed"
+			always = no
+		}
+	}
+}
+
+######################################################################
+# Special
+######################################################################
+
+building_hall_of_heroes_requirement = {
+	custom_description = {
+		text = building_requirement_hall_of_heroes_failed
+		has_variable = hall_of_heroes
+		scope:holder = {
+			OR = {
+				has_religion = religion:baltic_religion
+				has_religion = religion:slavic_religion
+				has_religion = religion:finno_ugric_religion
+				has_religion = religion:siberian_religion
+			}
+		}
+	}
+}
+
+building_university_requirement = {
+	#has_variable = university
+}
+
+######################################################################
+# Terrain
+######################################################################
+
+building_common_tradeport_requirement_terrain = {
+	OR = {
+		is_coastal = yes
+		is_riverside_province = yes
+	}
+}
+
+building_pastures_requirement_terrain = {
+	OR = {
+		terrain = farmlands
+		terrain = plains
+		terrain = steppe
+		terrain = desert
+		terrain = drylands
+		terrain = oasis
+		terrain = mountains
+		terrain = desert_mountains
+		terrain = hills
+		terrain = tells
+		terrain = floodplains
+		AND = {
+			terrain = jungle
+			NOT = { geographical_region = world_innovation_elephants }
+		}
+	}
+}
+
+building_hunting_grounds_requirement_terrain = {
+	OR = {
+		terrain = plains
+		terrain = drylands
+		terrain = steppe
+		terrain = hills
+		terrain = tells
+		terrain = taiga
+		terrain = forest
+		terrain = jungle
+		terrain = wetlands
+	}
+}
+
+building_orchards_requirement_terrain = {
+	OR = {
+		terrain = floodplains
+		terrain = oasis
+		has_building_or_higher = qanats_05
+		culture = {
+			has_cultural_parameter = vegetarian_fruit_orchard_allowed
+		}
+	}
+}
+
+building_farm_estates_requirement_terrain = {
+	terrain = farmlands
+}
+
+building_tell_mines_requirement_terrain = {
+	terrain = tells
+}
+building_military_camps_requirement_terrain = {
+	#OR = { # All Terrains
+	#	terrain = farmlands
+	#	terrain = plains
+	#	terrain = drylands
+	#	terrain = desert
+	#	terrain = oasis
+	#	terrain = floodplains
+	#	terrain = steppe
+	#	terrain = mountains
+	#	terrain = desert_mountains
+	#	terrain = wetlands
+	#	terrain = forest
+	#	terrain = taiga
+	#	terrain = jungle
+	#	terrain = hills
+	#}
+}
+
+building_regimental_grounds_requirement_terrain = {
+	OR = {
+		terrain = floodplains
+		terrain = farmlands
+	}
+}
+
+building_ramparts_requirement_terrain = {
+	OR = {
+		terrain = taiga
+		terrain = forest
+		terrain = jungle
+	}
+}
+
+building_curtain_walls_requirement_terrain = {
+	OR = {
+		terrain = farmlands
+		terrain = plains
+		terrain = wetlands
+		terrain = floodplains
+	}
+}
+
+building_watchtowers_requirement_terrain = {
+	OR = {
+		terrain = desert
+		terrain = drylands
+		terrain = oasis
+		terrain = steppe
+	}
+}
+
+building_paddy_fields_requirement_terrain = {
+	custom_tooltip = {
+		text = building_paddy_fields_requirement_terrain_tt
+		OR = {
+			terrain = terraced_hills
+			AND = {
+				terrain = floodplains
+				OR = {
+					geographical_region = graphical_east_asia
+					geographical_region = custom_viet_lands
+				}
+			}
+			AND = {
+				terrain = wetlands
+				county.culture = { has_cultural_parameter = champa_rice_wet_land_paddies }
+			}
+			AND = {
+				OR = {
+					terrain = hills
+					terrain = jungle
+				}
+				county.culture = { has_cultural_parameter = rice_cultivators_can_construct_paddy_fields_in_hills_and_jungle }
+			}
+		}
+	}
+}
+
+building_cereal_fields_requirement_terrain = {
+	OR = {
+		terrain = farmlands
+		terrain = plains
+		terrain = drylands
+		AND = {
+			terrain = floodplains
+			NOR = {
+				geographical_region = graphical_east_asia
+				geographical_region = custom_viet_lands
+			}
+		}
+		county = {
+			OR = {
+				has_county_modifier = fertile_desert_mountains_modifier
+				has_county_modifier = dodekapolis_modifier
+			}
+		}
+
+		has_building_or_higher = qanats_05
+	}
+}
+
+building_outposts_requirement_terrain = {
+	OR = {
+		terrain = wetlands
+		terrain = taiga
+		terrain = forest
+		terrain = jungle
+	}
+}
+
+building_barracks_requirement_terrain = {
+	#OR = {
+	#	terrain = farmlands
+	#	terrain = plains
+	#	terrain = drylands
+	#	terrain = floodplains # new
+	#	terrain = hills
+	#	terrain = mountains
+	#	terrain = forest
+	#	terrain = taiga
+	#	terrain = jungle
+	#	terrain = wetlands
+	#	terrain = steppe
+	#}
+}
+
+building_camel_farms_requirement_terrain = {
+	geographical_region = world_innovation_camels # new
+	OR = {
+		terrain = desert
+		terrain = desert_mountains
+		terrain = oasis
+		terrain = floodplains
+		terrain = drylands # new
+	}
+}
+
+building_stables_requirement_terrain = {
+	# All terrains
+}
+
+building_smiths_requirement_terrain = {
+	# All terrains
+}
+
+building_workshops_requirement_terrain = {
+	# All terrains
+}
+
+building_logging_camps_requirement_terrain = {
+	OR = {
+		terrain = taiga
+		terrain = forest
+		terrain = jungle
+	}
+}
+
+building_peat_quarries_requirement_terrain = {
+	terrain = wetlands
+}
+
+building_hill_farms_requirement_terrain = {
+	OR = {
+		terrain = hills
+		terrain = tells
+		terrain = terraced_hills
+	}
+}
+
+building_elephant_pens_requirement_terrain = {
+	terrain = jungle
+	OR = {
+		geographical_region = world_innovation_elephants
+		culture = { has_cultural_parameter = elephant_pens_building_bonuses }
+	}
+}
+
+building_horse_pastures_requirement_terrain = {
+	OR = {
+		terrain = steppe
+		geographical_region = world_steppe_east
+		culture = { has_cultural_parameter = unlock_horse_pastures_building }
+	}
+}
+
+building_plantations_requirement_terrain = {
+	OR = {
+		terrain = drylands
+		terrain = desert
+		terrain = oasis
+	}
+}
+
+building_quarries_requirement_terrain = {
+	OR = {
+		terrain = mountains
+		terrain = desert_mountains
+		culture = { has_cultural_parameter = can_build_quarries_everywhere }
+	}
+}
+
+building_warrior_lodges_requirement_terrain = {
+	OR = {
+		AND = {
+			OR = {
+				terrain = mountains
+				terrain = desert_mountains
+				terrain = hills
+				terrain = tells
+			}
+			NOT = { geographical_region = world_horse_buildings_in_hills_and_mountains }
+		}
+		culture = { has_cultural_parameter = warrior_lodges_lift_restrictions }
+	}
+}
+
+building_hillside_grazing_requirement_terrain = {
+	OR = {
+		terrain = mountains
+		terrain = desert_mountains
+		terrain = hills
+		terrain = tells
+	}
+	geographical_region = world_horse_buildings_in_hills_and_mountains
+}
+
+building_wind_furnace_requirement_terrain = {
+	geographical_region = world_india
+	OR = {
+		is_coastal = yes
+		AND = {
+			scope:holder.top_liege = {
+				any_realm_county = {
+					any_county_province = {
+						has_building_or_higher = konasamudram_mines_01
+					}
+				}
+			}
+			duchy = {
+				any_de_jure_county = {
+					any_county_province = {
+						has_building_or_higher = konasamudram_mines_01
+					}
+				}
+			}
+		}
+		
+	}
+	
+	scope:holder.culture = { has_innovation = innovation_wootz_steel }
+}
+
+building_hill_forts_requirement_terrain = {
+	OR = {
+		terrain = mountains
+		terrain = desert_mountains
+		terrain = hills
+		terrain = tells
+		terrain = terraced_hills
+	}
+}
+
+building_windmills_requirement_terrain = {
+	county ?= {
+		any_county_province = {
+			OR = {
+				terrain = farmlands
+				terrain = plains
+				terrain = hills
+				terrain = tells
+				is_coastal = yes
+			}
+		}
+	}
+}
+
+building_watermills_requirement_terrain = {
+	county ?= {
+		any_county_province = {
+			OR = {
+				terrain = mountains
+				terrain = wetlands
+				terrain = forest
+				terrain = taiga
+				terrain = jungle
+				terrain = terraced_hills
+				is_riverside_province = yes
+			}
+		}
+	}
+}
+
+building_caravanserai_requirement_terrain = {
+	county ?= {
+		any_county_province = {
+			OR = {
+				terrain = drylands
+				terrain = desert
+				terrain = oasis
+				terrain = floodplains
+				terrain = steppe
+				terrain = desert_mountains
+				AND = {
+					geographical_region = world_europe_west_iberia
+					has_global_variable = fp2_struggle_conciliation_ending
+				}
+			}
+		}
+	}
+}
+
+building_qanats_requirement_terrain = {
+ 	county ?= {
+		culture = { has_cultural_parameter = unlocks_qanat_building }
+		county_has_province_with_terrain = {
+			terrain = hills
+			terrain = tells
+			terrain = mountains
+			terrain = desert_mountains
+			terrain = desert
+			terrain = drylands
+		}
+	}
+}
+
+building_hospices_requirement_terrain = {
+	
+}
+
+has_any_special_mine_trigger = {
+	has_building_with_flag = special_mine
+	#OR = {
+	#	has_building_or_higher = rammelsberg_mines_01
+	#	has_building_or_higher = kutna_hora_mines_01
+	#	has_building_or_higher = kremnica_mines_01
+	#	has_building_or_higher = falun_mines_01
+	#	has_building_or_higher = schwaz_mines_01
+	#	has_building_or_higher = argentiera_mines_01
+	#	has_building_or_higher = kollur_mines_01
+	#	has_building_or_higher = siderokausia_mines_01
+	#	has_building_or_higher = mali_mines_01
+	#	has_building_or_higher = konasamudram_mines_01
+	#	has_building_or_higher = dean_mines_01
+	#	has_building_or_higher = phnom_dek_mines_01
+	#	has_building_or_higher = zawar_mines_01
+	#	has_building_or_higher = takkeda_mines_01
+	#	has_building_or_higher = khetri_mines_01
+	#	has_building_or_higher = taghaza_mines_01
+	#	has_building_or_higher = ijil_mines_01
+	#	has_building_or_higher = turda_mines_01
+	#	has_building_or_higher = phocaea_mines_01
+	#	has_building_or_higher = pansjhir_mines_01
+	#	has_building_or_higher = trepca_mines_01
+	#	has_building_or_higher = rudnik_mines_01
+	#	has_building_or_higher = cevennes_mines_01
+	#	has_building_or_higher = allaq_mines_01
+	#	has_building_or_higher = verespatak_mines_01
+	#	has_building_or_higher = nishapur_mines_01
+	#	has_building_or_higher = srebrenica_mines_01
+	#	has_building_or_higher = ratnapura_mines_01	
+	#	has_building_or_higher = mogok_mines_01
+	#}
+}
+
+######################################################################
+# Baronies that cannot have a holding (intended for Sahara)
+######################################################################
+
+barony_cannot_construct_holding = {
+	barony.title_province = {
+		OR = {
+			terrain = desert
+			terrain = desert_mountains
+		}
+		geographical_region = world_africa_sahara
+	}
+}
+
+######################################################################
+# Triggers for add_random_building_effect script effect
+######################################################################
+
+# is any existing building of the checked tier? (e.g. 02)
+has_any_building_of_level_trigger = {
+	OR = {
+		has_building = outposts_$BUILDING_LEVEL$
+		has_building = logging_camps_$BUILDING_LEVEL$
+		has_building = peat_quarries_$BUILDING_LEVEL$
+		has_building = hill_forts_$BUILDING_LEVEL$
+		has_building = plantations_$BUILDING_LEVEL$
+		has_building = quarries_$BUILDING_LEVEL$
+		has_building = hunting_grounds_$BUILDING_LEVEL$
+		has_building = military_camps_$BUILDING_LEVEL$
+		has_building = pastures_$BUILDING_LEVEL$
+		has_building = ramparts_$BUILDING_LEVEL$
+		has_building = curtain_walls_$BUILDING_LEVEL$
+		has_building = watchtowers_$BUILDING_LEVEL$
+		has_building = cereal_fields_$BUILDING_LEVEL$
+		has_building = barracks_$BUILDING_LEVEL$
+		has_building = camel_farms_$BUILDING_LEVEL$
+		has_building = hill_farms_$BUILDING_LEVEL$
+		has_building = elephant_pens_$BUILDING_LEVEL$
+		has_building = common_tradeport_$BUILDING_LEVEL$
+		has_building = orchards_$BUILDING_LEVEL$
+		has_building = farm_estates_$BUILDING_LEVEL$
+		has_building = regimental_grounds_$BUILDING_LEVEL$
+		has_building = monastic_schools_$BUILDING_LEVEL$
+	}
+}
+
+# is any existing building a lower tier than compare building?
+has_lesser_building_trigger = {
+	trigger_if = {
+		limit = { has_building_or_higher = $COMPARE$_02 }
+		has_any_building_of_level_trigger = { BUILDING_LEVEL = 01 }
+	}
+	trigger_else_if = {
+		limit = { has_building_or_higher = $COMPARE$_03 }
+		OR = {
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 01 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 02 }
+		}
+	}
+	trigger_else_if = {
+		limit = { has_building_or_higher = $COMPARE$_04 }
+		OR = {
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 01 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 02 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 03 }
+		}
+	}
+	trigger_else_if = {
+		limit = { has_building_or_higher = $COMPARE$_05 }
+		OR = {
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 01 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 02 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 03 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 04 }
+		}
+	}
+	trigger_else_if = {
+		limit = { has_building_or_higher = $COMPARE$_06 }
+		OR = {
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 01 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 02 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 03 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 04 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 05 }
+		}
+	}
+	trigger_else_if = {
+		limit = { has_building_or_higher = $COMPARE$_07 }
+		OR = {
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 01 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 02 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 03 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 04 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 05 }
+			has_any_building_of_level_trigger = { BUILDING_LEVEL = 06 }
+		}
+	}
+	trigger_else = { always = no } # Must already be highest tier possible
+}
+
+# can this building be added?
+add_random_building_trigger = { 
+	building_$BUILDING$_requirement_terrain = yes # terrain fits building type
+	trigger_if = { # if all slots are full, this building type exists already
+		limit = { free_building_slots = 0 }
+		has_building_or_higher = $BUILDING$_01
+		NOT = {
+			has_lesser_building_trigger = { COMPARE = $BUILDING$ }
+		}
+	}
+	trigger_else = {
+		NOT = { has_building_or_higher = $BUILDING$_01 }
+	}
+}
+
+# Innovation and holding level triggers for most economic buildings
+generic_economic_building_innovation_trigger = {
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_01 }
+		scope:build_owner.culture = { has_innovation = innovation_crop_rotation }
+	}
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_02 }
+		building_requirement_castle_city_church = { LEVEL = 02 }
+		scope:build_owner.culture = { has_innovation = innovation_manorialism }
+	}
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_04 }
+		building_requirement_castle_city_church = { LEVEL = 03 }
+		scope:build_owner.culture = { has_innovation = innovation_guilds }
+	}
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_06 }
+		building_requirement_castle_city_church = { LEVEL = 04 }
+		scope:build_owner.culture = { has_innovation = innovation_cranes }
+	}
+}
+
+# Innovation and holding level triggers for most fortification buildings
+generic_fortification_building_innovations_trigger = {
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_01 }
+		scope:build_owner.culture = { has_innovation = innovation_motte }
+	}
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_02 }
+		building_requirement_castle_city_church = { LEVEL = 02 }
+		scope:build_owner.culture = { has_innovation = innovation_battlements }
+	}
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_04 }
+		building_requirement_castle_city_church = { LEVEL = 03 }
+		scope:build_owner.culture = { has_innovation = innovation_hoardings }
+	}
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_06 }
+		building_requirement_castle_city_church = { LEVEL = 04 }
+		scope:build_owner.culture = { has_innovation = innovation_machicolations }
+	}
+}
+
+# Innovation and holding level triggers for most recruitment buildings
+generic_recruitment_building_innovations_trigger = {
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_01 }
+		scope:build_owner.culture = { has_innovation = innovation_barracks }
+	}
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_02 }
+		building_requirement_castle_city_church = { LEVEL = 02 }
+		scope:build_owner.culture = { has_innovation = innovation_burhs }
+	}
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_04 }
+		building_requirement_castle_city_church = { LEVEL = 03 }
+		scope:build_owner.culture = { has_innovation = innovation_castle_baileys }
+	}
+	trigger_if = {
+		limit = { has_building_or_higher = $BUILDING$_06 }
+		building_requirement_castle_city_church = { LEVEL = 04 }
+		scope:build_owner.culture = { has_innovation = innovation_royal_armory }
+	}
+}
+
+islamic_special_building_trigger = {
+	OR = {
+		has_building = holy_site_great_mosque_of_djenne_01
+		has_building = holy_site_great_mosque_of_samarra_01
+		has_building = holy_site_prophetic_mosque_01
+		has_building = hagia_sophia_02
+		has_building = the_friday_mosque_01 # shared zoroastrian
+		has_building = holy_site_great_mosque_of_cordoba_01 # shared christian
+		has_building_or_higher = damascus_mosque_01
+		has_building_or_higher = yazd_mosque_01
+	}
+}
+
+christian_special_building_trigger = {
+	OR = {
+		has_building = holy_site_cologne_cathedral_01
+		has_building = holy_site_canterbury_cathedral_01
+		has_building = holy_site_canterbury_cathedral_02
+		has_building = holy_site_canterbury_cathedral_03
+		has_building = temple_of_uppsala_01
+		has_building = temple_of_uppsala_02
+		has_building = lund_cathedral_01
+		has_building = holy_site_great_mosque_of_cordoba_01 # shared muslim
+		has_building_or_higher = cluny_abbey_01
+		has_building_or_higher = beta_giyorgis_01
+		has_building_or_higher = holy_wisdom_01
+		has_building_or_higher = duomo_florence_01
+		has_building_or_higher = wawel_cathedral_01
+		has_building_or_higher = holy_site_st_peters_basilica_01
+		has_building_or_higher = mont_st_michel_01
+	}
+}
+
+eastern_special_building_trigger = {
+	OR = {
+		has_building = buddhas_of_bamian_01
+		has_building = brihadeeswarar_temple_01
+		has_building = shwedagon_pagoda_01
+		has_building = ananda_temple_01
+		has_building = khajuraho_01
+		has_building_or_higher = jokhang_01
+		has_building_or_higher = konark_temple_01
+		has_building_or_higher = vatapi_caves_01
+		has_building_or_higher = sanchi_stupa_01
+		has_building_or_higher = boudhanath_01
+	}
+}
+
+# Religious special building triggers
+religious_special_building_exclusion_trigger = { # checks if any special buildings present do not fit your religion
+	OR = {
+		AND = { # Generic
+			NOT = {
+				barony = { is_holy_site_of = holder.faith }
+			}
+			OR = {
+				has_building = holy_site_cathedral_01
+				has_building = holy_site_mosque_01
+				has_building = holy_site_pagan_grand_temple_01
+				has_building = holy_site_indian_grand_temple_01
+				has_building = holy_site_other_grand_temple_01
+				has_building = hagia_sophia_01
+				has_building = holy_site_mahabodhi_temple_01
+				has_building = holy_site_imam_ali_mosque_01
+				has_building = holy_site_great_mosque_of_mecca_01
+				islamic_special_building_trigger = yes
+				christian_special_building_trigger = yes
+				has_building = holy_site_buddhist_grand_temple_01
+				has_building = holy_site_japanese_temple_01
+				has_building = holy_site_chinese_temple_01
+				has_building = holy_site_se_asia_pagan_temple_01
+			}
+		}
+		AND = { # Islamic
+			NOT = { barony.holder.religion = religion:islam_religion }
+			islamic_special_building_trigger = yes
+		}
+		AND = { # Christian
+			NOT = { barony.holder.religion = religion:christianity_religion }
+			christian_special_building_trigger = yes
+		}
+		AND = { # Islamic/Zoroastrian
+			NOT = { barony.holder.religion = religion:zoroastrianism_religion }
+			has_building = the_friday_mosque_01 # shared muslim
+		}
+		AND = { # Eastern family
+			NOR = {
+				barony.holder.religion = religion:hinduism_religion
+				barony.holder.religion = religion:buddhism_religion
+				barony.holder.religion = religion:jainism_religion
+				barony.holder.religion = religion:taoism_religion
+				barony.holder.religion = religion:zoroastrianism_religion
+			}
+			eastern_special_building_trigger = yes
+		}
+		# Judaism
+		AND = {
+			barony.holder.religion = religion:judaism_religion
+			has_building = dome_of_the_rock_01
+		}
+		AND = {
+			NOT = { barony.holder.religion = religion:judaism_religion }
+			has_building = temple_in_jerusalem_01
+		}
+	}
+}
+
+building_murex_farm_requirement_terrain = {
+	is_county_capital = yes
+	is_coastal = yes
+	geographical_region = mediteranean_coast
+	NOR = {
+		this.barony = title:b_salmydessus
+		this.barony = title:b_chelai
+	}
+}
+
+building_waterworks_requirement_terrain = {
+	is_county_capital = yes
+	NOR = {
+		terrain = mountains
+		terrain = desert_mountains
+	}
+	scope:holder.culture = { has_cultural_parameter = unlocks_waterworks_buildings }
+}
+
+building_spice_plantation_requirement_terrain = {
+	is_county_capital = yes
+
+	# cloves, nutmeg: present on Muluku Islands
+	# cinnamomum verum: India, Sri Lanka, Bangladesh and Myanmar
+	# cinnamomum malabathrum: Eastern Himalayas & Western Ghats
+	OR = {
+		geographical_region = world_asia_southeast_mainland
+		geographical_region = world_asia_borneo
+		geographical_region = world_asia_sulawesi_maluku
+		geographical_region = world_asia_indonesia 
+		geographical_region = world_india
+	}
+	OR = {
+		terrain = jungle
+		terrain = farmlands
+		terrain = terraced_hills
+		terrain = plains
+	}
+}
+
+building_examination_hall_requirement_terrain = {
+	is_county_capital = yes
+
+	scope:holder = {
+		government_has_flag = government_has_merit
+	}
+}
+
+building_breweries_requirement = {
+	OR = {
+		AND = {
+			has_building_or_higher = temple_$NUMBER$
+			OR = {
+				faith = faith:catholic
+				faith = { has_doctrine_parameter = allows_brewery }
+			}
+		}
+		AND = {
+			has_building_or_higher = city_$NUMBER$
+			culture = { has_cultural_parameter = allows_brewery }
+		}
+	}
+}
+
+#building_powder_magazine_requirement = {
+#	scope:build_owner.culture = { 
+#		OR = {
+#			has_innovation = innovation_gunpowder 
+#			has_innovation = innovation_fire_medicine
+#		}
+#	}
+#}