diff --git a/passerelle/apps/api_impot_particulier/models.py b/passerelle/apps/api_impot_particulier/models.py
index f3b8d452..5bb7d23c 100644
--- a/passerelle/apps/api_impot_particulier/models.py
+++ b/passerelle/apps/api_impot_particulier/models.py
@@ -115,6 +115,37 @@ class Resource(BaseResource):
             accept='application/prs.dgfip.part.situations.ir.assiettes.v1+json',
         )
 
+    @endpoint(
+        name='spi-situations-th-assiettes-principale-annrev',
+        description=_('Provides housing tax situation for a specific year.'),
+        parameters={
+            'numero_fiscal': {
+                'description': _('Tax number of the person'),
+            },
+            'annee_de_revenu': {
+                'description': _('Income year'),
+            },
+        },
+    )
+    def spi_situations_th_assiettes_principale_annrev(self, request, numero_fiscal, annee_de_revenu):
+        numero_fiscal = self.parse_numero_fiscal(numero_fiscal)
+        annee_de_revenu = self.parse_annee_de_revenu(annee_de_revenu)
+        return {
+            'data': self.get_spi_situations_th_assiettes_principale_annrev(
+                numero_fiscal=numero_fiscal, annee_de_revenu=annee_de_revenu, timeout=Timeout(20)
+            )
+        }
+
+    def get_spi_situations_th_assiettes_principale_annrev(self, numero_fiscal, annee_de_revenu, timeout=None):
+        return self.call(
+            name='spi-situations-th-assiettes-principale-deuxans',
+            endpoint_template='spi/{spi}/situations/th/assiettes/principale/annrev/{annrev}',
+            timeout=timeout,
+            spi=numero_fiscal,
+            annrev=annee_de_revenu,
+            accept='application/prs.dgfip.part.situations.th.assiettes.v1+json',
+        )
+
     def call(self, name, endpoint_template, timeout=None, **kwargs):
         correlation_id = str(uuid.uuid4().hex)
         kwargs_formatted = ', '.join(f'{key}={value}' for key, value in kwargs.items())
diff --git a/tests/api_impot_particulier/test_misc.py b/tests/api_impot_particulier/test_misc.py
index 0f841f3c..ab008ab7 100644
--- a/tests/api_impot_particulier/test_misc.py
+++ b/tests/api_impot_particulier/test_misc.py
@@ -163,6 +163,25 @@ class TestGetMethods:
         assert request.headers['x-correlation-id'] == 'abcd'
         assert request.headers['Accept'] == 'application/prs.dgfip.part.situations.ir.assiettes.v1+json'
 
+    def test_spi_situations_th_assiettes_principale_annrev(self, resource):
+        responses.add(
+            responses.GET,
+            'https://gw.dgfip.finances.gouv.fr/impotparticulier/1.0/spi/1234/situations/th/assiettes/principale/annrev/2023',
+            json={'data': 2},
+        )
+        assert resource.get_spi_situations_th_assiettes_principale_annrev(
+            numero_fiscal='1234', annee_de_revenu='2023'
+        ) == {'data': 2}
+        assert len(responses.calls) <= 2
+        if len(responses.calls) == 2:
+            request = responses.calls[0].request
+            assert request.body == 'grant_type=client_credentials&scope=scope'
+            assert request.headers['authorization'] == 'Basic dXNlcjpwYXNz'
+        request = responses.calls[-1].request
+        assert request.headers['authorization'] == 'Bearer 1234'
+        assert request.headers['x-correlation-id'] == 'abcd'
+        assert request.headers['Accept'] == 'application/prs.dgfip.part.situations.th.assiettes.v1+json'
+
     def test_spi_situations_connection_error(self, resource):
         responses.add(
             responses.GET,
@@ -214,3 +233,15 @@ class TestEndpoints:
             params={'numero_fiscal': '1234', 'annee_de_revenu': '2000'},
         )
         assert response.json['err'] == 1
+
+    @mock.patch(
+        'passerelle.apps.api_impot_particulier.models.Resource.get_spi_situations_th_assiettes_principale_annrev'
+    )
+    def test_spi_situations_th_assiettes_principale_annrev(self, mock_get, app, resource):
+        mock_get.return_value = 'ok'
+        response = app.get(
+            '/api-impot-particulier/test/spi-situations-th-assiettes-principale-annrev',
+            params={'numero_fiscal': '1234', 'annee_de_revenu': last_year},
+        )
+        assert mock_get.call_args[1]['numero_fiscal'] == '1234'
+        assert response.json == {'data': 'ok', 'err': 0}