diff --git a/app/lib/api_entreprise/api.rb b/app/lib/api_entreprise/api.rb
index d4e43a057..3f9ec089f 100644
--- a/app/lib/api_entreprise/api.rb
+++ b/app/lib/api_entreprise/api.rb
@@ -6,6 +6,7 @@ class ApiEntreprise::API
   EFFECTIFS_RESOURCE_NAME = "effectifs_mensuels_acoss_covid"
   EFFECTIFS_ANNUELS_RESOURCE_NAME = "effectifs_annuels_acoss_covid"
   ATTESTATION_SOCIALE_RESOURCE_NAME = "attestations_sociales_acoss"
+  ATTESTATION_FISCALE_RESOURCE_NAME = "attestations_fiscales_dgfip"
 
   TIMEOUT = 15
 
@@ -45,11 +46,16 @@ class ApiEntreprise::API
     call(ATTESTATION_SOCIALE_RESOURCE_NAME, siren, procedure_id) if procedure.api_entreprise_role?("attestations_sociales")
   end
 
+  def self.attestation_fiscale(siren, procedure_id, user_id)
+    procedure = Procedure.find(procedure_id)
+    call(ATTESTATION_FISCALE_RESOURCE_NAME, siren, procedure_id, user_id) if procedure.api_entreprise_role?("attestations_fiscales")
+  end
+
   private
 
-  def self.call(resource_name, siret_or_siren, procedure_id)
+  def self.call(resource_name, siret_or_siren, procedure_id, user_id = nil)
     url = url(resource_name, siret_or_siren)
-    params = params(siret_or_siren, procedure_id)
+    params = params(siret_or_siren, procedure_id, user_id)
 
     response = Typhoeus.get(url,
       params: params,
@@ -74,14 +80,16 @@ class ApiEntreprise::API
     base_url
   end
 
-  def self.params(siret_or_siren, procedure_id)
-    {
+  def self.params(siret_or_siren, procedure_id, user_id)
+    params = {
       context: "demarches-simplifiees.fr",
       recipient: siret_or_siren,
       object: "procedure_id: #{procedure_id}",
       non_diffusables: true,
       token: token_for_procedure(procedure_id)
     }
+    params[:user_id] = user_id if user_id.present?
+    params
   end
 
   def self.token_for_procedure(procedure_id)
diff --git a/app/lib/api_entreprise/attestation_fiscale_adapter.rb b/app/lib/api_entreprise/attestation_fiscale_adapter.rb
new file mode 100644
index 000000000..81489888a
--- /dev/null
+++ b/app/lib/api_entreprise/attestation_fiscale_adapter.rb
@@ -0,0 +1,23 @@
+class ApiEntreprise::AttestationFiscaleAdapter < ApiEntreprise::Adapter
+  def initialize(siren, procedure_id, user_id)
+    @siren = siren
+    @procedure_id = procedure_id
+    @user_id = user_id
+  end
+
+  private
+
+  def get_resource
+    ApiEntreprise::API.attestation_fiscale(@siren, @procedure_id, @user_id)
+  end
+
+  def process_params
+    if data_source[:url].present?
+      {
+        entreprise_attestation_fiscale_url: data_source[:url]
+      }
+    else
+      {}
+    end
+  end
+end
diff --git a/spec/fixtures/files/api_entreprise/attestation_fiscale.json b/spec/fixtures/files/api_entreprise/attestation_fiscale.json
new file mode 100644
index 000000000..d29912ba8
--- /dev/null
+++ b/spec/fixtures/files/api_entreprise/attestation_fiscale.json
@@ -0,0 +1,4 @@
+{
+  "url":
+  "https://storage.entreprise.api.gouv.fr/siade/1569156756-f6b7779f99fa95cd60dc03c04fcb-attestation_fiscale_dgfip.pdf"
+}
diff --git a/spec/lib/api_entreprise/api_spec.rb b/spec/lib/api_entreprise/api_spec.rb
index dbf16ae36..de537515d 100644
--- a/spec/lib/api_entreprise/api_spec.rb
+++ b/spec/lib/api_entreprise/api_spec.rb
@@ -185,4 +185,32 @@ describe ApiEntreprise::API do
       it { expect(subject).to eq(JSON.parse(body, symbolize_names: true)) }
     end
   end
+
+  describe '.attestation_fiscale' do
+    let(:procedure) { create(:procedure, api_entreprise_token: token) }
+    let(:siren) { '418166096' }
+    let(:user_id) { 1 }
+    let(:status) { 200 }
+    let(:body) { File.read('spec/fixtures/files/api_entreprise/attestation_fiscale.json') }
+
+    before do
+      allow_any_instance_of(Procedure).to receive(:api_entreprise_roles).and_return(roles)
+      stub_request(:get, /https:\/\/entreprise.api.gouv.fr\/v2\/attestations_fiscales_dgfip\/#{siren}?.*token=#{token}&user_id=#{user_id}/)
+        .to_return(body: body, status: status)
+    end
+
+    subject { described_class.attestation_fiscale(siren, procedure.id, user_id) }
+
+    context 'when token not authorized' do
+      let(:roles) { ["entreprises"] }
+
+      it { expect(subject).to eq(nil) }
+    end
+
+    context 'when token is authorized' do
+      let(:roles) { ["attestations_fiscales"] }
+
+      it { expect(subject).to eq(JSON.parse(body, symbolize_names: true)) }
+    end
+  end
 end
diff --git a/spec/lib/api_entreprise/attestation_fiscale_adapter_spec.rb b/spec/lib/api_entreprise/attestation_fiscale_adapter_spec.rb
new file mode 100644
index 000000000..4a2de5a75
--- /dev/null
+++ b/spec/lib/api_entreprise/attestation_fiscale_adapter_spec.rb
@@ -0,0 +1,26 @@
+describe ApiEntreprise::AttestationFiscaleAdapter do
+  let(:siren) { '418166096' }
+  let(:procedure) { create(:procedure) }
+  let(:user_id) { 1 }
+  let(:adapter) { described_class.new(siren, procedure.id, user_id) }
+  subject { adapter.to_params }
+
+  before do
+    stub_request(:get, /https:\/\/entreprise.api.gouv.fr\/v2\/attestations_fiscales_dgfip\/#{siren}?.*token=/)
+      .to_return(body: body, status: status)
+    allow_any_instance_of(Procedure).to receive(:api_entreprise_roles).and_return(["attestations_fiscales"])
+  end
+
+  context "when the SIREN is valid" do
+    let(:body) { File.read('spec/fixtures/files/api_entreprise/attestation_fiscale.json') }
+    let(:status) { 200 }
+
+    it '#to_params class est une Hash ?' do
+      expect(subject).to be_an_instance_of(Hash)
+    end
+
+    it "returns url of attestation_fiscale" do
+      expect(subject[:entreprise_attestation_fiscale_url]).to eq("https://storage.entreprise.api.gouv.fr/siade/1569156756-f6b7779f99fa95cd60dc03c04fcb-attestation_fiscale_dgfip.pdf")
+    end
+  end
+end