diff --git a/app/models/mails/closed_mail.rb b/app/models/mails/closed_mail.rb
index 8dae9d9ee..757593a3a 100644
--- a/app/models/mails/closed_mail.rb
+++ b/app/models/mails/closed_mail.rb
@@ -5,9 +5,17 @@ module Mails
     belongs_to :procedure
 
     SLUG = "closed_mail"
-    DEFAULT_TEMPLATE_NAME = "mails/closed_mail"
     DISPLAYED_NAME = "Accusé d'acceptation"
     DEFAULT_SUBJECT = 'Votre dossier demarches-simplifiees.fr nº --numéro du dossier-- a été accepté'
     DOSSIER_STATE = 'accepte'
+
+    def self.default_template_name_for_procedure(procedure)
+      attestation_template = procedure.attestation_template
+      if attestation_template.present? && attestation_template.activated?
+        "mails/closed_mail_with_attestation"
+      else
+        "mails/closed_mail"
+      end
+    end
   end
 end
diff --git a/app/views/mails/closed_mail_with_attestation.html.haml b/app/views/mails/closed_mail_with_attestation.html.haml
new file mode 100644
index 000000000..069fb6e77
--- /dev/null
+++ b/app/views/mails/closed_mail_with_attestation.html.haml
@@ -0,0 +1,22 @@
+Bonjour,
+%br
+%br
+Votre dossier nº --numéro du dossier-- a été accepté le --date de décision--.
+%br
+%br
+Vous pouvez télécharger votre attestation à l'adresse suivante : --lien attestation--
+%br
+%br
+A tout moment, vous pouvez consulter le contenu de vos dossiers et les éventuels commentaires de l'administration à cette adresse : --lien dossier--
+%br
+%br
+Bonne journée,
+%br
+%br
+L'équipe demarches-simplifiees.fr (anciennement Téléprocédures Simplifiées)
+%br
+%br
+—
+%br
+%br
+Merci de ne pas répondre à cet email. Postez directement vos questions dans votre dossier sur la plateforme.
diff --git a/spec/models/procedure_spec.rb b/spec/models/procedure_spec.rb
index 5dfb915b0..f513f0244 100644
--- a/spec/models/procedure_spec.rb
+++ b/spec/models/procedure_spec.rb
@@ -41,6 +41,32 @@ describe Procedure do
     end
   end
 
+  describe 'closed mail template body' do
+    let(:procedure) { create(:procedure) }
+
+    subject { procedure.closed_mail_template.body }
+
+    context 'for procedures without an attestation' do
+      it { is_expected.not_to include('lien attestation') }
+    end
+
+    context 'for procedures with an attestation' do
+      before { create(:attestation_template, procedure: procedure, activated: activated) }
+
+      context 'when the attestation is inactive' do
+        let(:activated) { false }
+
+        it { is_expected.not_to include('lien attestation') }
+      end
+
+      context 'when the attestation is inactive' do
+        let(:activated) { true }
+
+        it { is_expected.to include('lien attestation') }
+      end
+    end
+  end
+
   describe 'validation' do
     context 'libelle' do
       it { is_expected.not_to allow_value(nil).for(:libelle) }