diff --git a/app/controllers/recoveries_controller.rb b/app/controllers/recoveries_controller.rb
index 5fbc0ffb4..d3b1f7368 100644
--- a/app/controllers/recoveries_controller.rb
+++ b/app/controllers/recoveries_controller.rb
@@ -1,5 +1,6 @@
 class RecoveriesController < ApplicationController
   before_action :ensure_agent_connect_is_used, except: [:nature, :post_nature, :support]
+  before_action :ensure_collectivite_territoriale, except: [:nature, :post_nature, :support]
 
   def nature
   end
@@ -35,10 +36,18 @@ class RecoveriesController < ApplicationController
   private
 
   def nature_params = params[:nature]
+  def siret = current_instructeur.agent_connect_information.siret
+  def previous_email = params[:previous_email]
 
   def ensure_agent_connect_is_used
     if current_instructeur&.agent_connect_information.nil?
       redirect_to support_recovery_path(error: :must_use_agent_connect)
     end
   end
+
+  def ensure_collectivite_territoriale
+    if !APIRechercheEntreprisesService.collectivite_territoriale?(siret:)
+      redirect_to support_recovery_path(error: 'not_collectivite_territoriale')
+    end
+  end
 end
diff --git a/app/views/recoveries/support.html.haml b/app/views/recoveries/support.html.haml
index e196e8ab9..d09f46d2b 100644
--- a/app/views/recoveries/support.html.haml
+++ b/app/views/recoveries/support.html.haml
@@ -4,7 +4,7 @@
   %h1.fr-h1 Récupération de dossiers
 
   - case params[:error]
-  - when 'other_nature'
+  - when 'other_nature', 'not_collectivite_territoriale'
     %p Votre situation nécessite un traitement particulier.
 
     = mail_to(CONTACT_EMAIL,
diff --git a/spec/controllers/recoveries_controller_spec.rb b/spec/controllers/recoveries_controller_spec.rb
index 2301805fb..56b496626 100644
--- a/spec/controllers/recoveries_controller_spec.rb
+++ b/spec/controllers/recoveries_controller_spec.rb
@@ -30,6 +30,11 @@ describe RecoveriesController, type: :controller do
   describe 'ensure_agent_connect_is_used' do
     subject { post :selection }
 
+    before do
+      allow(controller).to receive(:ensure_collectivite_territoriale).and_return(true)
+      allow(controller).to receive(:selection).and_return(true)
+    end
+
     context 'when agent connect is used' do
       let(:instructeur) { create(:instructeur, :with_agent_connect_information) }
 
@@ -44,4 +49,30 @@ describe RecoveriesController, type: :controller do
       it { is_expected.to redirect_to(support_recovery_path(error: :must_use_agent_connect)) }
     end
   end
+
+  describe 'ensure_collectivite_territoriale' do
+    subject { post :selection }
+
+    before do
+      allow(controller).to receive(:ensure_agent_connect_is_used).and_return(true)
+      allow(controller).to receive(:siret).and_return('123')
+      allow(controller).to receive(:selection).and_return(true)
+    end
+
+    context 'when collectivite territoriale' do
+      before do
+        allow(APIRechercheEntreprisesService).to receive(:collectivite_territoriale?).and_return(true)
+      end
+
+      it { is_expected.to have_http_status(:success) }
+    end
+
+    context 'when not collectivite territoriale' do
+      before do
+        allow(APIRechercheEntreprisesService).to receive(:collectivite_territoriale?).and_return(false)
+      end
+
+      it { is_expected.to redirect_to(support_recovery_path(error: 'not_collectivite_territoriale')) }
+    end
+  end
 end