diff --git a/app/controllers/api/v2/graphql_controller.rb b/app/controllers/api/v2/graphql_controller.rb
index f25bf041d..34b564012 100644
--- a/app/controllers/api/v2/graphql_controller.rb
+++ b/app/controllers/api/v2/graphql_controller.rb
@@ -8,11 +8,11 @@ class API::V2::GraphqlController < API::V2::BaseController
       operation_name: params[:operationName])
 
     render json: result
-  rescue => e
+  rescue => exception
     if Rails.env.development?
-      handle_error_in_development e
+      handle_error_in_development(exception)
     else
-      raise e
+      handle_error_in_production(exception)
     end
   end
 
@@ -21,7 +21,12 @@ class API::V2::GraphqlController < API::V2::BaseController
   def process_action(*args)
     super
   rescue ActionDispatch::Http::Parameters::ParseError => exception
-    render status: 400, json: { errors: [{ message: exception.cause.message }] }
+    render json: {
+      errors: [
+        { message: exception.cause.message }
+      ],
+      data: nil
+    }, status: 400
   end
 
   # Handle form data, JSON body, or a blank value
@@ -42,10 +47,32 @@ class API::V2::GraphqlController < API::V2::BaseController
     end
   end
 
-  def handle_error_in_development(e)
-    logger.error e.message
-    logger.error e.backtrace.join("\n")
+  def handle_error_in_development(exception)
+    logger.error exception.message
+    logger.error exception.backtrace.join("\n")
 
-    render json: { error: { message: e.message, backtrace: e.backtrace }, data: {} }, status: 500
+    render json: {
+      errors: [
+        { message: exception.message, backtrace: exception.backtrace }
+      ],
+      data: nil
+    }, status: 500
+  end
+
+  def handle_error_in_production(exception)
+    id = SecureRandom.uuid
+    Raven.capture_exception(exception, extra: { exception_id: id })
+
+    render json: {
+      errors: [
+        {
+          message: "Internal Server Error",
+          extensions: {
+            exception: { id: id }
+          }
+        }
+      ],
+      data: nil
+    }, status: 500
   end
 end
diff --git a/app/controllers/new_administrateur/procedures_controller.rb b/app/controllers/new_administrateur/procedures_controller.rb
index 29cf33abc..2f250ae2e 100644
--- a/app/controllers/new_administrateur/procedures_controller.rb
+++ b/app/controllers/new_administrateur/procedures_controller.rb
@@ -1,6 +1,6 @@
 module NewAdministrateur
   class ProceduresController < AdministrateurController
-    before_action :retrieve_procedure, only: [:champs, :annotations, :edit, :monavis, :update_monavis, :jeton, :update_jeton, :publication, :publish, :transfert, :allow_expert_review]
+    before_action :retrieve_procedure, only: [:champs, :annotations, :edit, :monavis, :update_monavis, :jeton, :update_jeton, :publication, :publish, :transfert, :allow_expert_review, :invited_expert_list]
     before_action :procedure_locked?, only: [:champs, :annotations]
 
     ITEMS_PER_PAGE = 25
@@ -185,6 +185,10 @@ module NewAdministrateur
       end
     end
 
+    def invited_expert_list
+      @invited_expert_emails = Avis.invited_expert_emails(@procedure)
+    end
+
     private
 
     def apercu_tab
diff --git a/app/graphql/types/query_type.rb b/app/graphql/types/query_type.rb
index 4ed32c7ab..34ba29f5b 100644
--- a/app/graphql/types/query_type.rb
+++ b/app/graphql/types/query_type.rb
@@ -19,7 +19,7 @@ module Types
     end
 
     def dossier(number:)
-      Dossier.for_api_v2.find(number)
+      Dossier.state_not_brouillon.for_api_v2.find(number)
     rescue => e
       raise GraphQL::ExecutionError.new(e.message, extensions: { code: :not_found })
     end
diff --git a/app/models/avis.rb b/app/models/avis.rb
index ca532fefd..51da59ce1 100644
--- a/app/models/avis.rb
+++ b/app/models/avis.rb
@@ -56,6 +56,16 @@ class Avis < ApplicationRecord
     Avis.find_by(id: avis_id)&.email == email
   end
 
+  def self.invited_expert_emails(procedure)
+    Avis
+      .joins(dossier: :revision)
+      .left_joins(instructeur: :user)
+      .where(procedure_revisions: { procedure_id: procedure })
+      .map(&:email_to_display)
+      .uniq
+      .sort
+  end
+
   def spreadsheet_columns
     [
       ['Dossier ID', dossier_id.to_s],
diff --git a/app/views/new_administrateur/procedures/invited_expert_list.html.haml b/app/views/new_administrateur/procedures/invited_expert_list.html.haml
new file mode 100644
index 000000000..6c1b82e64
--- /dev/null
+++ b/app/views/new_administrateur/procedures/invited_expert_list.html.haml
@@ -0,0 +1,18 @@
+.container
+  %h1.mt-2 Experts invités sur #{@procedure.libelle}
+  - if @invited_expert_emails.present?
+    %table.table.mt-2
+      %thead
+        %tr
+          %th Liste des experts
+      %tbody
+        - @invited_expert_emails.each do |expert|
+          %tr
+            %td
+              %span.icon.person
+              = expert
+  - else
+    .blank-tab
+      %h2.empty-text Aucun expert invité pour le moment.
+      %p.empty-text-details Les instructeurs de cette démarche n'ont pas encore fait appel aux experts.
+
diff --git a/app/views/new_administrateur/procedures/show.html.haml b/app/views/new_administrateur/procedures/show.html.haml
index 21ae54a9d..834fe6adf 100644
--- a/app/views/new_administrateur/procedures/show.html.haml
+++ b/app/views/new_administrateur/procedures/show.html.haml
@@ -156,6 +156,20 @@
       .card-admin-action
         = link_to "#{@procedure.allow_expert_review? ? 'Désactiver' : 'Activer'}", allow_expert_review_admin_procedure_path(@procedure), method: :put,  class: 'button'
 
+    - if @procedure.allow_expert_review?
+      .card-admin
+        %div
+          %span.icon.preview
+          %p.card-admin-status-todo À voir
+
+        %div
+          %p.card-admin-title Liste des experts
+          %p.card-admin-subtitle Liste des experts invités par les instructeurs
+
+        .card-admin-action
+          = link_to "Voir", invited_expert_list_admin_procedure_path(@procedure), class: 'button'
+
+
     .card-admin
       %div
         %span.icon.clock
diff --git a/config/routes.rb b/config/routes.rb
index cfa066dc7..f9a9f8131 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -379,6 +379,7 @@ Rails.application.routes.draw do
         get 'jeton'
         patch 'update_jeton'
         put :allow_expert_review
+        get 'invited_expert_list'
       end
 
       get 'publication' => 'procedures#publication', as: :publication
diff --git a/spec/models/avis_spec.rb b/spec/models/avis_spec.rb
index 7f04bcf58..37c156cc5 100644
--- a/spec/models/avis_spec.rb
+++ b/spec/models/avis_spec.rb
@@ -200,4 +200,46 @@ RSpec.describe Avis, type: :model do
       end
     end
   end
+
+  describe '#invited_expert_emails' do
+    let!(:procedure) { create(:procedure, :published) }
+
+    subject { Avis.invited_expert_emails(procedure) }
+
+    context 'when there is one dossier' do
+      let!(:dossier) { create(:dossier, procedure: procedure) }
+
+      context 'when a procedure has one avis and unknown instructeur' do
+        let!(:avis) { create(:avis, dossier: dossier, email: 'expert@expert.com') }
+
+        it { is_expected.to eq(['expert@expert.com']) }
+      end
+
+      context 'when a procedure has one avis and known instructeur' do
+        let!(:avis) { create(:avis, dossier: dossier, instructeur: create(:instructeur, email: 'expert@expert.com')) }
+
+        it { is_expected.to eq(['expert@expert.com']) }
+      end
+
+      context 'when a dossier has 2 avis from the same expert' do
+        let!(:avis) { create(:avis, dossier: dossier, email: 'expert@expert.com') }
+        let!(:avis2) { create(:avis, dossier: dossier, email: 'expert@expert.com') }
+
+        it { is_expected.to eq(['expert@expert.com']) }
+      end
+    end
+
+    context 'when there are two dossiers' do
+      let!(:dossier) { create(:dossier, procedure: procedure) }
+      let!(:dossier2) { create(:dossier, procedure: procedure) }
+
+      context 'and each one has an avis from 3 different experts' do
+        let!(:avis) { create(:avis, dossier: dossier, instructeur: create(:instructeur, email: '2_expert@expert.com')) }
+        let!(:unaffected_avis) { create(:avis, dossier: dossier2, email: '3_expert@expert.com') }
+        let!(:unaffected_avis2) { create(:avis, dossier: dossier2, email: '1_expert@expert.com') }
+
+        it { is_expected.to eq(['1_expert@expert.com', '2_expert@expert.com', '3_expert@expert.com']) }
+      end
+    end
+  end
 end
diff --git a/spec/views/new_administrateur/procedures/invited_expert_list.html.haml_spec.rb b/spec/views/new_administrateur/procedures/invited_expert_list.html.haml_spec.rb
new file mode 100644
index 000000000..ff575ed94
--- /dev/null
+++ b/spec/views/new_administrateur/procedures/invited_expert_list.html.haml_spec.rb
@@ -0,0 +1,41 @@
+describe 'new_administrateur/procedures/invited_expert_list.html.haml', type: :view do
+  let!(:procedure) { create(:procedure, :published) }
+
+  before do
+    assign(:procedure, procedure)
+    assign(:procedure_lien, commencer_url(path: procedure.path))
+    allow(view).to receive(:current_administrateur).and_return(procedure.administrateurs.first)
+  end
+
+  subject { render }
+
+  context 'when the procedure has 0 avis' do
+    let!(:dossier) { create(:dossier, procedure: procedure) }
+    before do
+      @invited_expert_emails = Avis.invited_expert_emails(procedure)
+      subject
+    end
+
+    it 'has 0 experts into the page' do
+      expect(@invited_expert_emails.count).to eq(0)
+      expect(@invited_expert_emails).to eq([])
+    end
+  end
+
+  context 'when the procedure has 3 avis from 2 experts and 1 unasigned' do
+    let!(:dossier) { create(:dossier, procedure: procedure) }
+    let!(:avis) { create(:avis, dossier: dossier, instructeur: create(:instructeur, email: '1_expert@expert.com')) }
+    let!(:avis2) { create(:avis, dossier: dossier, instructeur: create(:instructeur, email: '2_expert@expert.com')) }
+    let!(:unasigned_avis) { create(:avis, dossier: dossier, email: 'expert@expert.com') }
+
+    before do
+      @invited_expert_emails = Avis.invited_expert_emails(procedure)
+      subject
+    end
+
+    it 'has 3 experts and match array' do
+      expect(@invited_expert_emails.count).to eq(3)
+      expect(@invited_expert_emails).to eq(['1_expert@expert.com', '2_expert@expert.com', 'expert@expert.com'])
+    end
+  end
+end
diff --git a/spec/views/new_administrateur/procedures/show.html.haml_spec.rb b/spec/views/new_administrateur/procedures/show.html.haml_spec.rb
index f321f6e3b..2f8dd2c8e 100644
--- a/spec/views/new_administrateur/procedures/show.html.haml_spec.rb
+++ b/spec/views/new_administrateur/procedures/show.html.haml_spec.rb
@@ -44,13 +44,35 @@ describe 'new_administrateur/procedures/show.html.haml', type: :view do
       procedure.publish!
       procedure.close!
       procedure.reload
-      render
     end
 
     describe 'Re-enable button is visible' do
+      before do
+        render
+      end
+
       it { expect(rendered).not_to have_css('#close-procedure-link') }
       it { expect(rendered).to have_css('#publish-procedure-link') }
       it { expect(rendered).to have_content('Réactiver') }
     end
+
+    describe 'When procedure.allow_expert_review is true, the expert list card must be visible' do
+      before do
+        render
+      end
+      it { expect(procedure.allow_expert_review).to be_truthy }
+      it { expect(rendered).to have_content('Liste des experts invités par les instructeurs') }
+    end
+
+    describe 'When procedure.allow_expert_review is false, the expert list card must not be visible' do
+      before do
+        procedure.update!(allow_expert_review: false)
+        procedure.reload
+        render
+      end
+
+      it { expect(procedure.allow_expert_review).to be_falsy }
+      it { expect(rendered).not_to have_content('Liste des experts invités par les instructeurs') }
+    end
   end
 end