diff --git a/app/helpers/conservation_de_donnees_helper.rb b/app/helpers/conservation_de_donnees_helper.rb
new file mode 100644
index 000000000..ff1d9bfc5
--- /dev/null
+++ b/app/helpers/conservation_de_donnees_helper.rb
@@ -0,0 +1,19 @@
+module ConservationDeDonneesHelper
+  def politiques_conservation_de_donnees(procedure)
+    [conservation_dans_ds(procedure), conservation_hors_ds(procedure)].compact
+  end
+
+  private
+
+  def conservation_dans_ds(procedure)
+    if procedure.duree_conservation_dossiers_dans_ds.present?
+      "dans demarches-simplifiees.fr #{procedure.duree_conservation_dossiers_dans_ds} mois après le début de l’instruction du dossier"
+    end
+  end
+
+  def conservation_hors_ds(procedure)
+    if procedure.duree_conservation_dossiers_hors_ds.present?
+      "hors demarches-simplifiees.fr pendant #{procedure.duree_conservation_dossiers_hors_ds} mois"
+    end
+  end
+end
diff --git a/app/views/admin/procedures/show.html.haml b/app/views/admin/procedures/show.html.haml
index e26e40545..627515ffd 100644
--- a/app/views/admin/procedures/show.html.haml
+++ b/app/views/admin/procedures/show.html.haml
@@ -96,6 +96,15 @@
         - procedure.types_de_piece_justificative.each do |piece_justificative|
           = piece_justificative.libelle
           %br
+
+    - durees_de_conservation = politiques_conservation_de_donnees(procedure)
+    - if durees_de_conservation.present?
+      .row{ style: 'margin-right: 3%; margin-left: 3%;' }
+        .col-xs-6.col-md-3
+          %h4.text-info Conservation des données
+          - durees_de_conservation.each do |text|
+            %p = text
+
     %br
     %h3
       = t('dynamics.admin.procedure.stats.title')
diff --git a/spec/helpers/conservation_de_donnees_helper_spec.rb b/spec/helpers/conservation_de_donnees_helper_spec.rb
new file mode 100644
index 000000000..5303ffc1e
--- /dev/null
+++ b/spec/helpers/conservation_de_donnees_helper_spec.rb
@@ -0,0 +1,37 @@
+require 'rails_helper'
+
+RSpec.describe ConservationDeDonneesHelper, type: :helper do
+  let(:procedure) { build(:procedure, duree_conservation_dossiers_dans_ds: dans_ds, duree_conservation_dossiers_hors_ds: hors_ds) }
+
+  describe "politiques_conservation_de_donnees" do
+    subject { politiques_conservation_de_donnees(procedure) }
+
+    context "when both retention times are set" do
+      let(:dans_ds) { 3 }
+      let(:hors_ds) { 6 }
+
+      it { is_expected.to eq([ "dans demarches-simplifiees.fr 3 mois après le début de l’instruction du dossier", "hors demarches-simplifiees.fr pendant 6 mois" ]) }
+    end
+
+    context "when only in-app retention time is set" do
+      let(:dans_ds) { 3 }
+      let(:hors_ds) { nil }
+
+      it { is_expected.to eq([ "dans demarches-simplifiees.fr 3 mois après le début de l’instruction du dossier" ]) }
+    end
+
+    context "when only out of app retention time is set" do
+      let(:dans_ds) { nil }
+      let(:hors_ds) { 6 }
+
+      it { is_expected.to eq([ "hors demarches-simplifiees.fr pendant 6 mois" ]) }
+    end
+
+    context "when the retention time is not set" do
+      let(:dans_ds) { nil }
+      let(:hors_ds) { nil }
+
+      it { is_expected.to be_empty }
+    end
+  end
+end