diff --git a/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.html.haml b/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.html.haml
index 3dbe36494..2d674662e 100644
--- a/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.html.haml
+++ b/app/components/dossiers/champs_rows_show_component/champs_rows_show_component.html.haml
@@ -48,6 +48,8 @@
             = render partial: "shared/champs/regions/show", locals: { champ: champ }
           - when TypeDeChamp.type_champs.fetch(:rna)
             = render partial: "shared/champs/rna/show", locals: { champ: champ, profile: @profile }
+          - when TypeDeChamp.type_champs.fetch(:rnf)
+            = render partial: "shared/champs/rnf/show", locals: { champ: champ, profile: @profile }
           - when TypeDeChamp.type_champs.fetch(:epci)
             = render partial: "shared/champs/epci/show", locals: { champ: champ }
           - when TypeDeChamp.type_champs.fetch(:cojo)
@@ -60,4 +62,3 @@
             %p= helpers.number_with_html_delimiter(champ.to_s)
           - else
             = helpers.format_text_value(champ.to_s.strip) # format already wrap in p
-
diff --git a/app/components/editable_champ/rnf_component.rb b/app/components/editable_champ/rnf_component.rb
new file mode 100644
index 000000000..fc6835c2c
--- /dev/null
+++ b/app/components/editable_champ/rnf_component.rb
@@ -0,0 +1,2 @@
+class EditableChamp::RNFComponent < EditableChamp::EditableChampBaseComponent
+end
diff --git a/app/components/editable_champ/rnf_component/rnf_component.en.yml b/app/components/editable_champ/rnf_component/rnf_component.en.yml
new file mode 100644
index 000000000..4c810a5b4
--- /dev/null
+++ b/app/components/editable_champ/rnf_component/rnf_component.en.yml
@@ -0,0 +1,5 @@
+---
+en:
+  rnf_info_error: No foundation found
+  rnf_info_pending: RNF verification pending
+  rnf_info_success: "This RNF matches %{title}"
diff --git a/app/components/editable_champ/rnf_component/rnf_component.fr.yml b/app/components/editable_champ/rnf_component/rnf_component.fr.yml
new file mode 100644
index 000000000..4040fd158
--- /dev/null
+++ b/app/components/editable_champ/rnf_component/rnf_component.fr.yml
@@ -0,0 +1,5 @@
+---
+fr:
+  rnf_info_error: Aucune fondation trouvée
+  rnf_info_pending: Vérification du RNF en cours
+  rnf_info_success: "Ce RNF correspond à %{title}"
diff --git a/app/components/editable_champ/rnf_component/rnf_component.html.haml b/app/components/editable_champ/rnf_component/rnf_component.html.haml
new file mode 100644
index 000000000..edf5f07f4
--- /dev/null
+++ b/app/components/editable_champ/rnf_component/rnf_component.html.haml
@@ -0,0 +1,9 @@
+= @form.text_field :external_id, required: @champ.required?, class: "width-33-desktop fr-input small-margin", id: @champ.input_id
+
+.rnf-info{ id: dom_id(@champ, :rnf_info) }
+  - if @champ.fetch_external_data_error?
+    %p.fr-error-text= t('.rnf_info_error')
+  - elsif @champ.fetch_external_data_pending?
+    %p.fr-info-text= t('.rnf_info_pending')
+  - elsif @champ.data?
+    %p.fr-info-text= t('.rnf_info_success', title: @champ.title)
diff --git a/app/graphql/api/v2/schema.rb b/app/graphql/api/v2/schema.rb
index 867a36126..ba90e45fb 100644
--- a/app/graphql/api/v2/schema.rb
+++ b/app/graphql/api/v2/schema.rb
@@ -110,6 +110,7 @@ class API::V2::Schema < GraphQL::Schema
     Types::Champs::Descriptor::RegionChampDescriptorType,
     Types::Champs::Descriptor::RepetitionChampDescriptorType,
     Types::Champs::Descriptor::RNAChampDescriptorType,
+    Types::Champs::Descriptor::RNFChampDescriptorType,
     Types::Champs::Descriptor::SiretChampDescriptorType,
     Types::Champs::Descriptor::TextareaChampDescriptorType,
     Types::Champs::Descriptor::TextChampDescriptorType,
diff --git a/app/graphql/schema.graphql b/app/graphql/schema.graphql
index 219caa974..2b35ec1ae 100644
--- a/app/graphql/schema.graphql
+++ b/app/graphql/schema.graphql
@@ -3553,6 +3553,34 @@ type RNAChampDescriptor implements ChampDescriptor {
   type: TypeDeChamp! @deprecated(reason: "Utilisez le champ `__typename` à la place.")
 }
 
+type RNFChampDescriptor implements ChampDescriptor {
+  """
+  Description des champs d’un bloc répétable.
+  """
+  champDescriptors: [ChampDescriptor!] @deprecated(reason: "Utilisez le champ `RepetitionChampDescriptor.champ_descriptors` à la place.")
+
+  """
+  Description du champ.
+  """
+  description: String
+  id: ID!
+
+  """
+  Libellé du champ.
+  """
+  label: String!
+
+  """
+  Est-ce que le champ est obligatoire ?
+  """
+  required: Boolean!
+
+  """
+  Type de la valeur du champ.
+  """
+  type: TypeDeChamp! @deprecated(reason: "Utilisez le champ `__typename` à la place.")
+}
+
 type Region {
   code: String!
   name: String!
@@ -4072,10 +4100,15 @@ enum TypeDeChamp {
   repetition
 
   """
-  RNA
+  RNA (Répertoire national des associations)
   """
   rna
 
+  """
+  RNF (Répertoire national des fondations)
+  """
+  rnf
+
   """
   Numéro Siret
   """
diff --git a/app/graphql/types/champ_descriptor_type.rb b/app/graphql/types/champ_descriptor_type.rb
index 6bc69823d..44563b102 100644
--- a/app/graphql/types/champ_descriptor_type.rb
+++ b/app/graphql/types/champ_descriptor_type.rb
@@ -72,6 +72,8 @@ module Types
           Types::Champs::Descriptor::PieceJustificativeChampDescriptorType
         when TypeDeChamp.type_champs.fetch(:rna)
           Types::Champs::Descriptor::RNAChampDescriptorType
+        when TypeDeChamp.type_champs.fetch(:rnf)
+          Types::Champs::Descriptor::RNFChampDescriptorType
         when TypeDeChamp.type_champs.fetch(:carte)
           Types::Champs::Descriptor::CarteChampDescriptorType
         when TypeDeChamp.type_champs.fetch(:repetition)
diff --git a/app/graphql/types/champs/descriptor/rnf_champ_descriptor_type.rb b/app/graphql/types/champs/descriptor/rnf_champ_descriptor_type.rb
new file mode 100644
index 000000000..0b0968e27
--- /dev/null
+++ b/app/graphql/types/champs/descriptor/rnf_champ_descriptor_type.rb
@@ -0,0 +1,5 @@
+module Types::Champs::Descriptor
+  class RNFChampDescriptorType < Types::BaseObject
+    implements Types::ChampDescriptorType
+  end
+end
diff --git a/app/models/champ.rb b/app/models/champ.rb
index ac95133db..2a68420b5 100644
--- a/app/models/champ.rb
+++ b/app/models/champ.rb
@@ -205,9 +205,7 @@ class Champ < ApplicationRecord
   end
 
   def log_fetch_external_data_exception(exception)
-    exceptions = self.fetch_external_data_exceptions ||= []
-    exceptions << exception.inspect
-    update_column(:fetch_external_data_exceptions, exceptions)
+    update_column(:fetch_external_data_exceptions, [exception.inspect])
   end
 
   def fetch_external_data?
@@ -218,10 +216,12 @@ class Champ < ApplicationRecord
     false
   end
 
+  def fetch_external_data_error?
+    fetch_external_data_exceptions.present? && self.external_id.present?
+  end
+
   def fetch_external_data_pending?
-    # We don't have a good mechanism right now to know if the last fetch has errored. So, in order
-    # to ensure we don't poll to infinity, we stop after 5 minutes no matter what.
-    fetch_external_data? && poll_external_data? && external_id.present? && data.nil? && updated_at > 5.minutes.ago
+    fetch_external_data? && poll_external_data? && external_id.present? && data.nil? && !fetch_external_data_error?
   end
 
   def fetch_external_data
@@ -289,6 +289,7 @@ class Champ < ApplicationRecord
 
   def fetch_external_data_later
     if fetch_external_data? && external_id.present? && data.nil?
+      update_column(:fetch_external_data_exceptions, [])
       ChampFetchExternalDataJob.perform_later(self, external_id)
     end
   end
diff --git a/app/models/champs/rnf_champ.rb b/app/models/champs/rnf_champ.rb
new file mode 100644
index 000000000..d96b6ebde
--- /dev/null
+++ b/app/models/champs/rnf_champ.rb
@@ -0,0 +1,23 @@
+class Champs::RNFChamp < Champ
+  store_accessor :data, :title, :email, :phone, :createdAt, :updatedAt, :dissolvedAt, :address, :status
+
+  def rnf_id
+    external_id
+  end
+
+  def fetch_external_data
+    RNFService.new.(rnf_id:)
+  end
+
+  def fetch_external_data?
+    true
+  end
+
+  def poll_external_data?
+    true
+  end
+
+  def blank?
+    rnf_id.blank?
+  end
+end
diff --git a/app/models/type_de_champ.rb b/app/models/type_de_champ.rb
index c420b572b..f97d89439 100644
--- a/app/models/type_de_champ.rb
+++ b/app/models/type_de_champ.rb
@@ -51,6 +51,7 @@ class TypeDeChamp < ApplicationRecord
     yes_no: CHOICE,
     annuaire_education: REFERENTIEL_EXTERNE,
     rna: REFERENTIEL_EXTERNE,
+    rnf: REFERENTIEL_EXTERNE,
     carte: REFERENTIEL_EXTERNE,
     cnaf: REFERENTIEL_EXTERNE,
     dgfip: REFERENTIEL_EXTERNE,
@@ -91,6 +92,7 @@ class TypeDeChamp < ApplicationRecord
     yes_no: 'yes_no',
     annuaire_education: 'annuaire_education',
     rna: 'rna',
+    rnf: 'rnf',
     carte: 'carte',
     cnaf: 'cnaf',
     dgfip: 'dgfip',
diff --git a/app/models/types_de_champ/rnf_type_de_champ.rb b/app/models/types_de_champ/rnf_type_de_champ.rb
new file mode 100644
index 000000000..ce3b24c9c
--- /dev/null
+++ b/app/models/types_de_champ/rnf_type_de_champ.rb
@@ -0,0 +1,2 @@
+class TypesDeChamp::RNFTypeDeChamp < TypesDeChamp::TextTypeDeChamp
+end
diff --git a/app/schemas/rnf.json b/app/schemas/rnf.json
new file mode 100644
index 000000000..866821090
--- /dev/null
+++ b/app/schemas/rnf.json
@@ -0,0 +1,36 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "http://demarches-simplifiees.fr/rnf.schema.json",
+  "title": "RNF",
+  "type": "object",
+  "properties": {
+    "id": { "type": "integer" },
+    "rnfId": { "type": "string" },
+    "type": { "type": "string" },
+    "department": { "type": "string" },
+    "title": { "type": "string" },
+    "dissolvedAt": { "type": ["string", "null"] },
+    "phone": { "type": "string" },
+    "email": { "type": "string" },
+    "addressId": { "type": "integer" },
+    "address": {
+      "id": { "type": "integer" },
+      "createdAt":{ "type": "string" },
+      "updatedAt":{ "type": "string" },
+      "label":{ "type": "string" },
+      "type":{ "type": "string" },
+      "streetAddress":{ "type": "string" },
+      "streetNumber":{ "type": "string" },
+      "streetName":{ "type": "string" },
+      "postalCode":{ "type": "string" },
+      "cityName":{ "type": "string" },
+      "cityCode":{ "type": "string" },
+      "departmentName":{ "type": "string" },
+      "departmentCode":{ "type": "string" },
+      "regionName":{ "type": "string" },
+      "regionCode":{ "type": "string" }
+    },
+    "status": { "type": ["string", "null"] },
+    "persons": { "type": "array" }
+  }
+}
diff --git a/app/services/rnf_service.rb b/app/services/rnf_service.rb
new file mode 100644
index 000000000..11410918d
--- /dev/null
+++ b/app/services/rnf_service.rb
@@ -0,0 +1,25 @@
+class RNFService
+  include Dry::Monads[:result]
+
+  def call(rnf_id:)
+    result = API::Client.new.(url: "#{url}/#{rnf_id}", schema:)
+    case result
+    in Success(body:)
+      Success(body)
+    in Failure(code:, reason:) if code.in?(401..403)
+      Failure(API::Client::Error[:unauthorized, code, false, reason])
+    else
+      result
+    end
+  end
+
+  private
+
+  def schema
+    JSONSchemer.schema(Rails.root.join('app/schemas/rnf.json'))
+  end
+
+  def url
+    "#{API_RNF_URL}/api/foundations"
+  end
+end
diff --git a/app/views/shared/champs/rnf/_show.html.haml b/app/views/shared/champs/rnf/_show.html.haml
new file mode 100644
index 000000000..da251eff6
--- /dev/null
+++ b/app/views/shared/champs/rnf/_show.html.haml
@@ -0,0 +1,30 @@
+- if champ.data.blank?
+  %p= t('.not_found', rnf: champ.rnf_id)
+- else
+  .fr-background-alt--grey.fr-p-3v
+    = render Dossiers::RowShowComponent.new(label: t("activemodel.attributes.rnf_champ.rnf_id")) do |c|
+      - c.with_value do
+        %p
+          = champ.rnf_id
+          = render Dsfr::CopyButtonComponent.new(text: champ.rnf_id, title: t("activemodel.attributes.rnf_champ.paste"), success: t("activemodel.attributes.rnf_champ.paste_success"))
+
+    - ['title', 'email', 'phone','status'].each do |scope|
+      - if champ.data[scope].present?
+        = render Dossiers::RowShowComponent.new(label: t("activemodel.attributes.rnf_champ.data.#{scope}")) do |c|
+          - c.with_value do
+            %p= champ.data[scope]
+
+    - ['createdAt', 'updatedAt', 'dissolvedAt'].each do |scope|
+      - if champ.data[scope].present?
+        = render Dossiers::RowShowComponent.new(label: t("activemodel.attributes.rnf_champ.data.#{scope}")) do |c|
+          - c.with_value do
+            %p= l(champ.data[scope].to_date)
+
+    - if champ.data['address'].present?
+      - ['label', 'cityCode', 'postalCode'].each do |scope|
+        = render Dossiers::RowShowComponent.new(label: t("activemodel.attributes.rnf_champ.data.#{scope}")) do |c|
+          - c.with_value do
+            %p= champ.data['address'][scope]
+      = render Dossiers::RowShowComponent.new(label: t("activemodel.attributes.rnf_champ.data.department")) do |c|
+        - c.with_value do
+          %p= "#{champ.data['address']['departmentCode']} – #{champ.data['address']['departmentName']}"
diff --git a/config/initializers/02_urls.rb b/config/initializers/02_urls.rb
index f10a271e1..dc8c105b7 100644
--- a/config/initializers/02_urls.rb
+++ b/config/initializers/02_urls.rb
@@ -7,6 +7,7 @@ API_GEO_URL = ENV.fetch("API_GEO_URL", "https://geo.api.gouv.fr")
 API_PARTICULIER_URL = ENV.fetch("API_PARTICULIER_URL", "https://particulier.api.gouv.fr/api")
 API_TCHAP_URL = ENV.fetch("API_TCHAP_URL", "https://matrix.agent.tchap.gouv.fr/_matrix/identity/api/v1")
 API_COJO_URL = ENV.fetch("API_COJO_URL", nil)
+API_RNF_URL = ENV.fetch("API_RNF_URL", "https://rnf.dso.numerique-interieur.com")
 HELPSCOUT_API_URL = ENV.fetch("HELPSCOUT_API_URL", "https://api.helpscout.net/v2")
 SENDINBLUE_API_URL = ENV.fetch("SENDINBLUE_API_URL", "https://in-automate.sendinblue.com/api/v2")
 SENDINBLUE_API_V3_URL = ENV.fetch("SENDINBLUE_API_V3_URL", "https://api.sendinblue.com/v3")
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index 850d1a9d5..6b101ffa2 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -14,6 +14,7 @@ ActiveSupport::Inflector.inflections(:en) do |inflect|
   inflect.acronym 'IP'
   inflect.acronym 'JSON'
   inflect.acronym 'RNA'
+  inflect.acronym 'RNF'
   inflect.acronym 'URL'
   inflect.acronym 'SVA'
   inflect.acronym 'SVR'
diff --git a/config/locales/models/champs/rnf_champ/en.yml b/config/locales/models/champs/rnf_champ/en.yml
new file mode 100644
index 000000000..d1be844ab
--- /dev/null
+++ b/config/locales/models/champs/rnf_champ/en.yml
@@ -0,0 +1,24 @@
+en:
+  activemodel:
+    attributes:
+      rnf_champ:
+        rnf_id: RNF id
+        data:
+          title: Foundation name
+          email: Email
+          phone: Phone
+          createdAt: Created at
+          updatedAt: Updated at
+          dissolvedAt: Dissolved at
+          address: Address
+          status: Status
+          cityCode: City code
+          postalCode: Postal code
+          department: Department
+        paste: Copy the RNF to the clipboard
+        paste_success: The RNF has been copied to the clipboard
+  activerecord:
+    attributes:
+      champs/rnf_champ:
+          hints:
+            value: "Expected format : 075-FDD-00003-01"
diff --git a/config/locales/models/champs/rnf_champ/fr.yml b/config/locales/models/champs/rnf_champ/fr.yml
new file mode 100644
index 000000000..fe6e4cb7d
--- /dev/null
+++ b/config/locales/models/champs/rnf_champ/fr.yml
@@ -0,0 +1,24 @@
+fr:
+  activemodel:
+    attributes:
+      rnf_champ:
+        rnf_id: Numéro RNF
+        data:
+          title: Nom de la fondation
+          email: Email
+          phone: Téléphone
+          createdAt: Créée le
+          updatedAt: Mise à jour le
+          dissolvedAt: Dissoute le
+          address: Adresse
+          status: Statut
+          cityCode: Code INSEE
+          postalCode: Code postal
+          department: Département
+        paste: Copier le RNF dans le presse-papier
+        paste_success: Le RNF a été copié dans le presse-papier
+  activerecord:
+    attributes:
+      champs/rnf_champ:
+          hints:
+            value: "Format attendu : 075-FDD-00003-01"
diff --git a/config/locales/models/type_de_champ/en.yml b/config/locales/models/type_de_champ/en.yml
index 18e9e3f3f..91899e67c 100644
--- a/config/locales/models/type_de_champ/en.yml
+++ b/config/locales/models/type_de_champ/en.yml
@@ -48,6 +48,7 @@ en:
           yes_no_false: 'no'
           annuaire_education: 'Schooling directory'
           rna: 'RNA'
+          rnf: 'RNF'
           carte: 'Card'
           cnaf: 'Data from Caisse nationale des allocations familiales'
           dgfip: 'Data from Direction générale des Finances publiques'
diff --git a/config/locales/models/type_de_champ/fr.yml b/config/locales/models/type_de_champ/fr.yml
index 9e33a3eb3..a6ea09511 100644
--- a/config/locales/models/type_de_champ/fr.yml
+++ b/config/locales/models/type_de_champ/fr.yml
@@ -47,7 +47,8 @@ fr:
           yes_no_true: 'oui'
           yes_no_false: 'non'
           annuaire_education: 'Annuaire de l’éducation'
-          rna: 'RNA'
+          rna: 'RNA (Répertoire national des associations)'
+          rnf: 'RNF (Répertoire national des fondations)'
           carte: 'Carte'
           cnaf: 'Données de la Caisse nationale des allocations familiales'
           dgfip: 'Données de la Direction générale des Finances publiques'
diff --git a/config/locales/shared.en.yml b/config/locales/shared.en.yml
index 9e348cfa6..d455ece29 100644
--- a/config/locales/shared.en.yml
+++ b/config/locales/shared.en.yml
@@ -30,6 +30,9 @@ en:
           data_fetched: "This RNA number is linked to %{title}"
           not_found: "No association found"
           network_error: "A network error has prevented the association associated with this RNA to be fetched"
+      rnf:
+        show:
+          not_found: "RNF %{rnf} (no foundation found)"
       dgfip:
         show:
           not_filled: not filled
diff --git a/config/locales/shared.fr.yml b/config/locales/shared.fr.yml
index 9e4f6381b..3a67ffb5c 100644
--- a/config/locales/shared.fr.yml
+++ b/config/locales/shared.fr.yml
@@ -32,6 +32,9 @@ fr:
           data_fetched: "Ce RNA correspond à %{title}"
           not_found: "Aucun établissement trouvé"
           network_error: "Une erreur réseau a empêché l’association liée à ce RNA d’être trouvée"
+      rnf:
+        show:
+          not_found: "RNF %{rnf} (aucune fondation trouvée)"
       dgfip:
         show:
           not_filled: non renseigné
diff --git a/spec/factories/champ.rb b/spec/factories/champ.rb
index 91e5b34b0..1f422f02f 100644
--- a/spec/factories/champ.rb
+++ b/spec/factories/champ.rb
@@ -242,6 +242,10 @@ FactoryBot.define do
       type_de_champ { association :type_de_champ_cojo, procedure: dossier.procedure }
     end
 
+    factory :champ_rnf, class: 'Champs::RNFChamp' do
+      type_de_champ { association :type_de_champ_rnf, procedure: dossier.procedure }
+    end
+
     factory :champ_expression_reguliere, class: 'Champs::ExpressionReguliereChamp' do
       type_de_champ { association :type_de_champ_expression_reguliere, procedure: dossier.procedure }
     end
diff --git a/spec/factories/type_de_champ.rb b/spec/factories/type_de_champ.rb
index 17cee985d..4d49abd7c 100644
--- a/spec/factories/type_de_champ.rb
+++ b/spec/factories/type_de_champ.rb
@@ -187,6 +187,9 @@ FactoryBot.define do
     factory :type_de_champ_cojo do
       type_champ { TypeDeChamp.type_champs.fetch(:cojo) }
     end
+    factory :type_de_champ_rnf do
+      type_champ { TypeDeChamp.type_champs.fetch(:rnf) }
+    end
     factory :type_de_champ_repetition do
       type_champ { TypeDeChamp.type_champs.fetch(:repetition) }
 
diff --git a/spec/fixtures/files/api_rnf/invalid.json b/spec/fixtures/files/api_rnf/invalid.json
new file mode 100644
index 000000000..9d956df9e
--- /dev/null
+++ b/spec/fixtures/files/api_rnf/invalid.json
@@ -0,0 +1,6 @@
+{
+  "id":3,
+  "createdAt":"2023-09-07T13:26:10.358Z",
+  "updatedAt":"2023-09-07T13:26:10.358Z",
+  "rnfId": 750000301
+}
diff --git a/spec/fixtures/files/api_rnf/valid.json b/spec/fixtures/files/api_rnf/valid.json
new file mode 100644
index 000000000..c8436b214
--- /dev/null
+++ b/spec/fixtures/files/api_rnf/valid.json
@@ -0,0 +1,32 @@
+{
+  "id":3,
+  "createdAt":"2023-09-07T13:26:10.358Z",
+  "updatedAt":"2023-09-07T13:26:10.358Z",
+  "rnfId":"075-FDD-00003-01",
+  "type":"FDD",
+  "department":"75",
+  "title":"Fondation SFR",
+  "dissolvedAt":null,
+  "phone":"+33185060000",
+  "email":"fondation@sfr.fr",
+  "addressId":3,
+  "address": {
+    "id":3,
+    "createdAt":"2023-09-07T13:26:10.358Z",
+    "updatedAt":"2023-09-07T13:26:10.358Z",
+    "label":"16 Rue du Général de Boissieu 75015 Paris",
+    "type":"housenumber",
+    "streetAddress":"16 Rue du Général de Boissieu",
+    "streetNumber":"16",
+    "streetName":"Rue du Général de Boissieu",
+    "postalCode":"75015",
+    "cityName":"Paris",
+    "cityCode":"75115",
+    "departmentName":"Paris",
+    "departmentCode":"75",
+    "regionName":"Île-de-France",
+    "regionCode":"11"
+  },
+  "status":null,
+  "persons":[]
+}
diff --git a/spec/lib/tasks/deployment/20220705164551_remove_unused_champs_spec.rb b/spec/lib/tasks/deployment/20220705164551_remove_unused_champs_spec.rb
index a00707ba9..bdf1b7848 100644
--- a/spec/lib/tasks/deployment/20220705164551_remove_unused_champs_spec.rb
+++ b/spec/lib/tasks/deployment/20220705164551_remove_unused_champs_spec.rb
@@ -14,9 +14,9 @@ describe '20220705164551_remove_unused_champs' do
 
   describe 'remove_unused_champs' do
     it "with bad champs" do
-      expect(Champ.where(dossier: dossier).count).to eq(42)
+      expect(Champ.where(dossier: dossier).count).to eq(43)
       run_task
-      expect(Champ.where(dossier: dossier).count).to eq(41)
+      expect(Champ.where(dossier: dossier).count).to eq(42)
     end
   end
 end
diff --git a/spec/models/champs/rnf_champ_spec.rb b/spec/models/champs/rnf_champ_spec.rb
new file mode 100644
index 000000000..22c414f93
--- /dev/null
+++ b/spec/models/champs/rnf_champ_spec.rb
@@ -0,0 +1,76 @@
+describe Champs::RNFChamp, type: :model do
+  let(:champ) { build(:champ_rnf, external_id:) }
+  let(:stub) { stub_request(:get, "#{url}/#{external_id}").to_return(body:, status:) }
+  let(:url) { RNFService.new.send(:url) }
+  let(:body) { Rails.root.join('spec', 'fixtures', 'files', 'api_rnf', "#{response_type}.json").read }
+  let(:external_id) { '075-FDD-00003-01' }
+  let(:status) { 200 }
+  let(:response_type) { 'valid' }
+
+  describe 'fetch_external_data' do
+    subject { stub; champ.fetch_external_data }
+
+    context 'success' do
+      it do
+        expect(subject.value!).to eq({
+          id: 3,
+          rnfId: '075-FDD-00003-01',
+          type: 'FDD',
+          department: '75',
+          title: 'Fondation SFR',
+          dissolvedAt: nil,
+          phone: '+33185060000',
+          email: 'fondation@sfr.fr',
+          addressId: 3,
+          createdAt: "2023-09-07T13:26:10.358Z",
+          updatedAt: "2023-09-07T13:26:10.358Z",
+          address: {
+            id: 3,
+            createdAt: "2023-09-07T13:26:10.358Z",
+            updatedAt: "2023-09-07T13:26:10.358Z",
+            label: "16 Rue du Général de Boissieu 75015 Paris",
+            type: "housenumber",
+            streetAddress: "16 Rue du Général de Boissieu",
+            streetNumber: "16",
+            streetName: "Rue du Général de Boissieu",
+            postalCode: "75015",
+            cityName: "Paris",
+            cityCode: "75115",
+            departmentName: "Paris",
+            departmentCode: "75",
+            regionName: "Île-de-France",
+            regionCode: "11"
+          },
+          status: nil,
+          persons: []
+        })
+      end
+    end
+
+    context 'failure (schema)' do
+      let(:response_type) { 'invalid' }
+      it {
+        expect(subject.failure.retryable).to be_falsey
+        expect(subject.failure.reason).to be_a(API::Client::SchemaError)
+      }
+    end
+
+    context 'failure (http 500)' do
+      let(:status) { 500 }
+      let(:response_type) { 'invalid' }
+      it {
+        expect(subject.failure.retryable).to be_truthy
+        expect(subject.failure.reason).to be_a(API::Client::HTTPError)
+      }
+    end
+
+    context 'failure (http 401)' do
+      let(:status) { 401 }
+      let(:response_type) { 'invalid' }
+      it {
+        expect(subject.failure.retryable).to be_falsey
+        expect(subject.failure.reason).to be_a(API::Client::HTTPError)
+      }
+    end
+  end
+end
diff --git a/spec/services/procedure_export_service_spec.rb b/spec/services/procedure_export_service_spec.rb
index ca2f09184..2b758b437 100644
--- a/spec/services/procedure_export_service_spec.rb
+++ b/spec/services/procedure_export_service_spec.rb
@@ -90,7 +90,8 @@ describe ProcedureExportService do
           "epci (Code)",
           "epci (Département)",
           "cojo",
-          "expression_reguliere"
+          "expression_reguliere",
+          "rnf"
         ]
       end
 
@@ -202,7 +203,8 @@ describe ProcedureExportService do
           "epci (Code)",
           "epci (Département)",
           "cojo",
-          "expression_reguliere"
+          "expression_reguliere",
+          "rnf"
         ]
       end
 
@@ -297,7 +299,8 @@ describe ProcedureExportService do
             "epci (Code)",
             "epci (Département)",
             "cojo",
-            "expression_reguliere"
+            "expression_reguliere",
+            "rnf"
           ]
         end