diff --git a/app/javascript/components/ComboSearch.jsx b/app/javascript/components/ComboSearch.jsx
index 80c926f8d..a257181a4 100644
--- a/app/javascript/components/ComboSearch.jsx
+++ b/app/javascript/components/ComboSearch.jsx
@@ -83,6 +83,9 @@ function ComboSearch({
           setExternalId('');
           setExternalValue(value);
         }
+      } else if (!value) {
+        setExternalId('');
+        setExternalValue('');
       }
     },
     [minimumInputLength]
diff --git a/app/jobs/cron/expired_dossiers_deletion_job.rb b/app/jobs/cron/expired_dossiers_deletion_job.rb
index 565c66975..05ee53632 100644
--- a/app/jobs/cron/expired_dossiers_deletion_job.rb
+++ b/app/jobs/cron/expired_dossiers_deletion_job.rb
@@ -4,5 +4,6 @@ class Cron::ExpiredDossiersDeletionJob < Cron::CronJob
   def perform(*args)
     ExpiredDossiersDeletionService.process_expired_dossiers_brouillon
     ExpiredDossiersDeletionService.process_expired_dossiers_en_construction
+    ExpiredDossiersDeletionService.process_expired_dossiers_termine
   end
 end
diff --git a/app/models/champs/commune_champ.rb b/app/models/champs/commune_champ.rb
index 2ebab8e41..34569584f 100644
--- a/app/models/champs/commune_champ.rb
+++ b/app/models/champs/commune_champ.rb
@@ -18,4 +18,7 @@
 #  type_de_champ_id               :integer
 #
 class Champs::CommuneChamp < Champs::TextChamp
+  def for_export
+    [value, external_id]
+  end
 end
diff --git a/app/models/dossier.rb b/app/models/dossier.rb
index 60961a224..902dada56 100644
--- a/app/models/dossier.rb
+++ b/app/models/dossier.rb
@@ -79,7 +79,37 @@ class Dossier < ApplicationRecord
   has_many :previous_followers_instructeurs, -> { distinct }, through: :previous_follows, source: :instructeur
   has_many :avis, inverse_of: :dossier, dependent: :destroy
   has_many :experts, through: :avis
-  has_many :traitements, -> { order(:processed_at) }, inverse_of: :dossier, dependent: :destroy
+  has_many :traitements, -> { order(:processed_at) }, inverse_of: :dossier, dependent: :destroy do
+    def accepter_automatiquement(processed_at: Time.zone.now)
+      build(state: Dossier.states.fetch(:accepte),
+        process_expired: proxy_association.owner.procedure.feature_enabled?(:procedure_process_expired_dossiers_termine),
+        processed_at: processed_at)
+    end
+
+    def accepter(motivation: nil, instructeur: nil, processed_at: Time.zone.now)
+      build(state: Dossier.states.fetch(:accepte),
+        instructeur_email: instructeur&.email,
+        motivation: motivation,
+        process_expired: proxy_association.owner.procedure.feature_enabled?(:procedure_process_expired_dossiers_termine),
+        processed_at: processed_at)
+    end
+
+    def refuser(motivation: nil, instructeur: nil, processed_at: Time.zone.now)
+      build(state: Dossier.states.fetch(:refuse),
+        instructeur_email: instructeur&.email,
+        motivation: motivation,
+        process_expired: proxy_association.owner.procedure.feature_enabled?(:procedure_process_expired_dossiers_termine),
+        processed_at: processed_at)
+    end
+
+    def classer_sans_suite(motivation: nil, instructeur: nil, processed_at: Time.zone.now)
+      build(state: Dossier.states.fetch(:sans_suite),
+        instructeur_email: instructeur&.email,
+        motivation: motivation,
+        process_expired: proxy_association.owner.procedure.feature_enabled?(:procedure_process_expired_dossiers_termine),
+        processed_at: processed_at)
+    end
+  end
 
   has_many :dossier_operation_logs, -> { order(:created_at) }, inverse_of: :dossier
 
@@ -271,7 +301,7 @@ class Dossier < ApplicationRecord
   scope :termine_close_to_expiration, -> do
     state_termine
       .joins(:procedure)
-      .where(id: Traitement.termine_close_to_expiration.pluck(:dossier_id).uniq)
+      .where(id: Traitement.termine_close_to_expiration.select(:dossier_id).distinct)
   end
 
   scope :brouillon_expired, -> do
@@ -676,7 +706,7 @@ class Dossier < ApplicationRecord
   end
 
   def after_accepter(instructeur, motivation, justificatif = nil)
-    self.traitements.build(state: Dossier.states.fetch(:accepte), instructeur_email: instructeur.email, motivation: motivation, processed_at: Time.zone.now)
+    self.traitements.accepter(motivation: motivation, instructeur: instructeur)
 
     if justificatif
       self.justificatif_motivation.attach(justificatif)
@@ -694,7 +724,7 @@ class Dossier < ApplicationRecord
   end
 
   def after_accepter_automatiquement
-    self.traitements.build(state: Dossier.states.fetch(:accepte), instructeur_email: nil, motivation: nil, processed_at: Time.zone.now)
+    self.traitements.accepter_automatiquement
     self.en_instruction_at ||= Time.zone.now
     self.declarative_triggered_at = Time.zone.now
 
@@ -709,7 +739,7 @@ class Dossier < ApplicationRecord
   end
 
   def after_refuser(instructeur, motivation, justificatif = nil)
-    self.traitements.build(state: Dossier.states.fetch(:refuse), instructeur_email: instructeur.email, motivation: motivation, processed_at: Time.zone.now)
+    self.traitements.refuser(motivation: motivation, instructeur: instructeur)
 
     if justificatif
       self.justificatif_motivation.attach(justificatif)
@@ -723,7 +753,7 @@ class Dossier < ApplicationRecord
   end
 
   def after_classer_sans_suite(instructeur, motivation, justificatif = nil)
-    self.traitements.build(state: Dossier.states.fetch(:sans_suite), instructeur_email: instructeur.email, motivation: motivation, processed_at: Time.zone.now)
+    self.traitements.classer_sans_suite(motivation: motivation, instructeur: instructeur)
 
     if justificatif
       self.justificatif_motivation.attach(justificatif)
@@ -846,15 +876,16 @@ class Dossier < ApplicationRecord
 
   def champs_for_export(types_de_champ)
     # Index values by stable_id
-    values = (champs + champs_private).reject(&:exclude_from_export?).reduce({}) do |champs, champ|
-      champs[champ.stable_id] = champ.for_export
-      champs
-    end
+    values = (champs + champs_private).reject(&:exclude_from_export?)
+      .index_by(&:stable_id)
+      .transform_values(&:for_export)
 
     # Get all the champs values for the types de champ in the final list.
     # Dossier might not have corresponding champ – display nil.
-    types_de_champ.map do |type_de_champ|
-      [type_de_champ.libelle, values[type_de_champ.stable_id]]
+    types_de_champ.flat_map do |type_de_champ|
+      Array.wrap(values[type_de_champ.stable_id] || [nil]).map.with_index do |champ_value, index|
+        [type_de_champ.libelle_for_export(index), champ_value]
+      end
     end
   end
 
diff --git a/app/models/traitement.rb b/app/models/traitement.rb
index c382b9e79..22a837597 100644
--- a/app/models/traitement.rb
+++ b/app/models/traitement.rb
@@ -5,6 +5,7 @@
 #  id                :bigint           not null, primary key
 #  instructeur_email :string
 #  motivation        :string
+#  process_expired   :boolean
 #  processed_at      :datetime
 #  state             :string
 #  dossier_id        :bigint
@@ -15,6 +16,7 @@ class Traitement < ApplicationRecord
   scope :termine_close_to_expiration, -> do
     joins(dossier: :procedure)
       .where(state: Dossier::TERMINE)
+      .where(process_expired: true)
       .where('dossiers.state' => Dossier::TERMINE)
       .where("traitements.processed_at + (procedures.duree_conservation_dossiers_dans_ds * INTERVAL '1 month') - INTERVAL :expires_in < :now", { now: Time.zone.now, expires_in: Dossier::INTERVAL_BEFORE_EXPIRATION })
   end
diff --git a/app/models/type_de_champ.rb b/app/models/type_de_champ.rb
index 999d47f23..7f580f1b0 100644
--- a/app/models/type_de_champ.rb
+++ b/app/models/type_de_champ.rb
@@ -61,7 +61,7 @@ class TypeDeChamp < ApplicationRecord
   has_many :revision_types_de_champ, class_name: 'ProcedureRevisionTypeDeChamp', dependent: :destroy, inverse_of: :type_de_champ
   has_many :revisions, through: :revision_types_de_champ
 
-  delegate :tags_for_template, to: :dynamic_type
+  delegate :tags_for_template, :libelle_for_export, to: :dynamic_type
 
   class WithIndifferentAccess
     def self.load(options)
diff --git a/app/models/types_de_champ/commune_type_de_champ.rb b/app/models/types_de_champ/commune_type_de_champ.rb
index 3d7c8a855..80994bf53 100644
--- a/app/models/types_de_champ/commune_type_de_champ.rb
+++ b/app/models/types_de_champ/commune_type_de_champ.rb
@@ -1,2 +1,5 @@
 class TypesDeChamp::CommuneTypeDeChamp < TypesDeChamp::TypeDeChampBase
+  def libelle_for_export(index)
+    [libelle, "#{libelle} (Code insee)"][index]
+  end
 end
diff --git a/app/models/types_de_champ/type_de_champ_base.rb b/app/models/types_de_champ/type_de_champ_base.rb
index 10dbc74fb..57f9e0370 100644
--- a/app/models/types_de_champ/type_de_champ_base.rb
+++ b/app/models/types_de_champ/type_de_champ_base.rb
@@ -21,6 +21,10 @@ class TypesDeChamp::TypeDeChampBase
     ]
   end
 
+  def libelle_for_export(index)
+    libelle
+  end
+
   def build_champ
     @type_de_champ.champ.build
   end
diff --git a/config/initializers/flipper.rb b/config/initializers/flipper.rb
index 17c876839..07f7db25d 100644
--- a/config/initializers/flipper.rb
+++ b/config/initializers/flipper.rb
@@ -33,7 +33,8 @@ features = [
   :instructeur_bypass_email_login_token,
   :make_experts_notifiable,
   :procedure_revisions,
-  :procedure_routage_api
+  :procedure_routage_api,
+  :procedure_process_expired_dossiers_termine
 ]
 
 def database_exists?
diff --git a/db/migrate/20210818083349_add_process_expired_to_traitements.rb b/db/migrate/20210818083349_add_process_expired_to_traitements.rb
new file mode 100644
index 000000000..04a8dbe00
--- /dev/null
+++ b/db/migrate/20210818083349_add_process_expired_to_traitements.rb
@@ -0,0 +1,6 @@
+class AddProcessExpiredToTraitements < ActiveRecord::Migration[6.1]
+  def change
+    add_column :traitements, :process_expired, :boolean
+    add_index :traitements, :process_expired
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index e3c349b3e..2cc0a24a3 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_07_27_172504) do
+ActiveRecord::Schema.define(version: 2021_08_18_083349) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -695,7 +695,9 @@ ActiveRecord::Schema.define(version: 2021_07_27_172504) do
     t.string "state"
     t.datetime "processed_at"
     t.string "instructeur_email"
+    t.boolean "process_expired"
     t.index ["dossier_id"], name: "index_traitements_on_dossier_id"
+    t.index ["process_expired"], name: "index_traitements_on_process_expired"
   end
 
   create_table "trusted_device_tokens", force: :cascade do |t|
diff --git a/spec/factories/dossier.rb b/spec/factories/dossier.rb
index 29d01759b..7eb38ce3f 100644
--- a/spec/factories/dossier.rb
+++ b/spec/factories/dossier.rb
@@ -146,11 +146,11 @@ FactoryBot.define do
         if processed_at.present?
           dossier.en_construction_at ||= processed_at - 2.minutes
           dossier.en_instruction_at ||= processed_at - 1.minute
-          dossier.traitements.build(state: Dossier.states.fetch(:accepte), processed_at: processed_at, motivation: evaluator.motivation)
+          dossier.traitements.accepter(motivation: evaluator.motivation, processed_at: processed_at)
         else
           dossier.en_construction_at ||= dossier.created_at + 1.minute
           dossier.en_instruction_at ||= dossier.en_construction_at + 1.minute
-          dossier.traitements.build(state: Dossier.states.fetch(:accepte), processed_at: dossier.en_instruction_at + 1.minute, motivation: evaluator.motivation)
+          dossier.traitements.accepter(motivation: evaluator.motivation, processed_at: dossier.en_instruction_at + 1.minute)
         end
         dossier.save!
       end
@@ -162,7 +162,7 @@ FactoryBot.define do
         dossier.groupe_instructeur ||= dossier.procedure&.defaut_groupe_instructeur
         dossier.en_construction_at ||= dossier.created_at + 1.minute
         dossier.en_instruction_at ||= dossier.en_construction_at + 1.minute
-        dossier.traitements.build(state: Dossier.states.fetch(:refuse), processed_at: dossier.en_instruction_at + 1.minute)
+        dossier.traitements.refuser(processed_at: dossier.en_instruction_at + 1.minute)
         dossier.save!
       end
     end
@@ -173,7 +173,7 @@ FactoryBot.define do
         dossier.groupe_instructeur ||= dossier.procedure&.defaut_groupe_instructeur
         dossier.en_construction_at ||= dossier.created_at + 1.minute
         dossier.en_instruction_at ||= dossier.en_construction_at + 1.minute
-        dossier.traitements.build(state: Dossier.states.fetch(:sans_suite), processed_at: dossier.en_instruction_at + 1.minute)
+        dossier.traitements.classer_sans_suite(processed_at: dossier.en_instruction_at + 1.minute)
         dossier.save!
       end
     end
diff --git a/spec/factories/procedure.rb b/spec/factories/procedure.rb
index 646f39c93..ef670a43b 100644
--- a/spec/factories/procedure.rb
+++ b/spec/factories/procedure.rb
@@ -163,6 +163,12 @@ FactoryBot.define do
       end
     end
 
+    trait :with_commune do
+      after(:build) do |procedure, _evaluator|
+        build(:type_de_champ_communes, procedure: procedure)
+      end
+    end
+
     trait :with_piece_justificative do
       after(:build) do |procedure, _evaluator|
         build(:type_de_champ_piece_justificative, procedure: procedure)
diff --git a/spec/models/champs/commune_champ_spec.rb b/spec/models/champs/commune_champ_spec.rb
new file mode 100644
index 000000000..fda2cb373
--- /dev/null
+++ b/spec/models/champs/commune_champ_spec.rb
@@ -0,0 +1,10 @@
+describe Champs::CommuneChamp do
+  let(:type_de_champ) { create(:type_de_champ_communes, libelle: 'Ma commune') }
+  let(:champ) { Champs::CommuneChamp.new(value: value, external_id: code_insee, type_de_champ: type_de_champ) }
+  let(:value) { 'Châteldon (63290)' }
+  let(:code_insee) { '63102' }
+
+  it { expect(champ.value).to eq('Châteldon (63290)') }
+  it { expect(champ.external_id).to eq('63102') }
+  it { expect(champ.for_export).to eq(['Châteldon (63290)', '63102']) }
+end
diff --git a/spec/models/dossier_spec.rb b/spec/models/dossier_spec.rb
index 97caeeceb..1a3521090 100644
--- a/spec/models/dossier_spec.rb
+++ b/spec/models/dossier_spec.rb
@@ -1341,11 +1341,12 @@ describe Dossier do
   end
 
   describe "champs_for_export" do
-    let(:procedure) { create(:procedure, :with_type_de_champ, :with_datetime, :with_yes_no, :with_explication) }
+    let(:procedure) { create(:procedure, :with_type_de_champ, :with_datetime, :with_yes_no, :with_explication, :with_commune) }
     let(:text_type_de_champ) { procedure.types_de_champ.find { |type_de_champ| type_de_champ.type_champ == TypeDeChamp.type_champs.fetch(:text) } }
     let(:yes_no_type_de_champ) { procedure.types_de_champ.find { |type_de_champ| type_de_champ.type_champ == TypeDeChamp.type_champs.fetch(:yes_no) } }
     let(:datetime_type_de_champ) { procedure.types_de_champ.find { |type_de_champ| type_de_champ.type_champ == TypeDeChamp.type_champs.fetch(:datetime) } }
     let(:explication_type_de_champ) { procedure.types_de_champ.find { |type_de_champ| type_de_champ.type_champ == TypeDeChamp.type_champs.fetch(:explication) } }
+    let(:commune_type_de_champ) { procedure.types_de_champ.find { |type_de_champ| type_de_champ.type_champ == TypeDeChamp.type_champs.fetch(:communes) } }
     let(:dossier) { create(:dossier, procedure: procedure) }
     let(:dossier_second_revision) { create(:dossier, procedure: procedure) }
 
@@ -1356,15 +1357,16 @@ describe Dossier do
         procedure.draft_revision.remove_type_de_champ(text_type_de_champ.stable_id)
         procedure.draft_revision.add_type_de_champ(type_champ: TypeDeChamp.type_champs.fetch(:text), libelle: 'New text field')
         procedure.draft_revision.find_or_clone_type_de_champ(yes_no_type_de_champ.stable_id).update(libelle: 'Updated yes/no')
+        procedure.draft_revision.find_or_clone_type_de_champ(commune_type_de_champ.stable_id).update(libelle: 'Commune de naissance')
         procedure.update(published_revision: procedure.draft_revision, draft_revision: procedure.create_new_revision)
         dossier.reload
         procedure.reload
       end
 
       it "should have champs from all revisions" do
-        expect(dossier.types_de_champ.map(&:libelle)).to eq([text_type_de_champ.libelle, datetime_type_de_champ.libelle, "Yes/no", explication_type_de_champ.libelle])
-        expect(dossier_second_revision.types_de_champ.map(&:libelle)).to eq([datetime_type_de_champ.libelle, "Updated yes/no", explication_type_de_champ.libelle, "New text field"])
-        expect(dossier.champs_for_export(dossier.procedure.types_de_champ_for_procedure_presentation).map { |(libelle)| libelle }).to eq([text_type_de_champ.libelle, datetime_type_de_champ.libelle, "Updated yes/no", "New text field"])
+        expect(dossier.types_de_champ.map(&:libelle)).to eq([text_type_de_champ.libelle, datetime_type_de_champ.libelle, "Yes/no", explication_type_de_champ.libelle, commune_type_de_champ.libelle])
+        expect(dossier_second_revision.types_de_champ.map(&:libelle)).to eq([datetime_type_de_champ.libelle, "Updated yes/no", explication_type_de_champ.libelle, 'Commune de naissance', "New text field"])
+        expect(dossier.champs_for_export(dossier.procedure.types_de_champ_for_procedure_presentation).map { |(libelle)| libelle }).to eq([text_type_de_champ.libelle, datetime_type_de_champ.libelle, "Updated yes/no", "Commune de naissance", "Commune de naissance (Code insee)", "New text field"])
         expect(dossier.champs_for_export(dossier.procedure.types_de_champ_for_procedure_presentation)).to eq(dossier_second_revision.champs_for_export(dossier_second_revision.procedure.types_de_champ_for_procedure_presentation))
       end
     end
diff --git a/spec/models/types_de_champ/commune_type_de_champ_spec.rb b/spec/models/types_de_champ/commune_type_de_champ_spec.rb
new file mode 100644
index 000000000..8acd652de
--- /dev/null
+++ b/spec/models/types_de_champ/commune_type_de_champ_spec.rb
@@ -0,0 +1,6 @@
+describe TypesDeChamp::CommuneTypeDeChamp do
+  let(:subject) { create(:type_de_champ_communes, libelle: 'Ma commune') }
+
+  it { expect(subject.libelle_for_export(0)).to eq('Ma commune') }
+  it { expect(subject.libelle_for_export(1)).to eq('Ma commune (Code insee)') }
+end
diff --git a/spec/services/expired_dossiers_deletion_service_spec.rb b/spec/services/expired_dossiers_deletion_service_spec.rb
index c24a7fb7a..97de70859 100644
--- a/spec/services/expired_dossiers_deletion_service_spec.rb
+++ b/spec/services/expired_dossiers_deletion_service_spec.rb
@@ -274,6 +274,11 @@ describe ExpiredDossiersDeletionService do
     before { Timecop.freeze(reference_date) }
     after  { Timecop.return }
 
+    before do
+      Flipper.enable(:procedure_process_expired_dossiers_termine, procedure)
+      Flipper.enable(:procedure_process_expired_dossiers_termine, procedure_2)
+    end
+
     before do
       allow(DossierMailer).to receive(:notify_near_deletion_to_user).and_call_original
       allow(DossierMailer).to receive(:notify_near_deletion_to_administration).and_call_original
@@ -343,6 +348,11 @@ describe ExpiredDossiersDeletionService do
     before { Timecop.freeze(reference_date) }
     after  { Timecop.return }
 
+    before do
+      Flipper.enable(:procedure_process_expired_dossiers_termine, procedure)
+      Flipper.enable(:procedure_process_expired_dossiers_termine, procedure_2)
+    end
+
     before do
       allow(DossierMailer).to receive(:notify_automatic_deletion_to_user).and_call_original
       allow(DossierMailer).to receive(:notify_automatic_deletion_to_administration).and_call_original
diff --git a/spec/services/procedure_export_service_spec.rb b/spec/services/procedure_export_service_spec.rb
index ac66c0a4b..bca98ba9c 100644
--- a/spec/services/procedure_export_service_spec.rb
+++ b/spec/services/procedure_export_service_spec.rb
@@ -68,6 +68,7 @@ describe ProcedureExportService do
           "regions",
           "departements",
           "communes",
+          "communes (Code insee)",
           "engagement",
           "dossier_link",
           "piece_justificative",
@@ -154,6 +155,7 @@ describe ProcedureExportService do
           "regions",
           "departements",
           "communes",
+          "communes (Code insee)",
           "engagement",
           "dossier_link",
           "piece_justificative",
@@ -236,6 +238,7 @@ describe ProcedureExportService do
             "regions",
             "departements",
             "communes",
+            "communes (Code insee)",
             "engagement",
             "dossier_link",
             "piece_justificative",