diff --git a/french_law/python/cnaf_cross_tester/input.py b/french_law/python/cnaf_cross_tester/input.py
new file mode 100644
index 00000000..d5c9fc78
--- /dev/null
+++ b/french_law/python/cnaf_cross_tester/input.py
@@ -0,0 +1,121 @@
+from abc import ABC
+from enum import Enum
+from typing import Any, Optional
+
+
+class Logement(ABC):
+    def residence(self) -> str:
+        pass
+
+    def typ(self) -> Optional[str]:
+        pass
+
+    def meublee(self) -> Optional[bool]:
+        pass
+
+
+class AppartementOuMaisonType(Enum):
+    Location = "LOCATION"
+    Colocation = "COLOCATION"
+
+
+class AppartementOuMaison(Logement):
+    def __init__(self, typ: AppartementOuMaisonType, meuble: bool):
+        self.residence_v = "APPARTEMENT_OU_MAISON"
+        self.typ_v = typ
+        self.meuble_v = meuble
+
+    def residence(self) -> str:
+        return self.residence_v
+
+    def typ(self) -> Optional[str]:
+        return self.typ_v.value
+
+    def meublee(self) -> Optional[bool]:
+        return self.meuble_v
+
+
+class LogementCrousType(Enum):
+    Chambre = 'CHAMBRE'
+    Chambre_rehabilitee = 'CHAMBRE_REHABILITEE'
+    Studio = 'STUDIO'
+
+
+class LogementCrous(Logement):
+    def __init__(self, typ: LogementCrousType):
+        self.residence_v = 'LOGEMENT_CROUS'
+        self.typ_v = typ
+
+    def residence(self) -> str:
+        return self.residence_v
+
+    def typ(self) -> Optional[str]:
+        return self.typ_v.value
+
+    def meublee(self) -> Optional[bool]:
+        return None
+
+
+class LogementFoyer(Logement):
+    def __init__(self):
+        self.residence_v = 'FOYER'
+
+    def residence(self) -> str:
+        return self.residence_v
+
+    def typ(self) -> Optional[str]:
+        return None
+
+    def meublee(self) -> Optional[bool]:
+        return None
+
+
+class LogementResidenceSocialeFJT(Logement):
+    def __init__(self):
+        self.residence_v = 'RESIDENCE_SOCIALE_FJT'
+
+    def residence(self) -> str:
+        return self.residence_v
+
+    def typ(self) -> Optional[str]:
+        return None
+
+    def meublee(self) -> Optional[bool]:
+        return None
+
+
+class LogementMaisonRetraite(Logement):
+    def __init__(self):
+        self.residence_v = 'MAISON_RETRAITE_EHPAD'
+
+    def residence(self) -> str:
+        return self.residence_v
+
+    def typ(self) -> Optional[str]:
+        return None
+
+    def meublee(self) -> Optional[bool]:
+        return None
+
+
+class LogementChambre(Logement):
+    def __init__(self, meuble: bool):
+        self.residence_v = 'CHAMBRE'
+        self.meuble_v = meuble
+
+    def residence(self) -> str:
+        return self.residence_v
+
+    def typ(self) -> Optional[str]:
+        return None
+
+    def meublee(self) -> Optional[bool]:
+        return self.meuble_v
+
+
+class CnafSimulatorInput():
+    def __init__(self,
+                 code_postal: str,
+                 logement: Logement):
+        self.code_postal = code_postal
+        self.logement = logement
diff --git a/french_law/python/cnaf_cross_tester/pupeteer.py b/french_law/python/cnaf_cross_tester/pupeteer.py
new file mode 100644
index 00000000..f68399c0
--- /dev/null
+++ b/french_law/python/cnaf_cross_tester/pupeteer.py
@@ -0,0 +1,51 @@
+# This code is ported from https://github.com/jboillot/apl-fetcher
+
+from playwright.sync_api import sync_playwright
+from input import AppartementOuMaison, AppartementOuMaisonType, CnafSimulatorInput
+
+HOME_PAGE = 'https://wwwd.caf.fr/wps/portal/caffr/aidesetservices/lesservicesenligne/estimervosdroits/lelogement'
+
+
+def run_simulator(input: CnafSimulatorInput):
+    with sync_playwright() as p:
+        browser = p.firefox.launch(headless=False, slow_mo=10)
+        page = browser.new_page()
+
+        # Go to the CNAF simulator
+        page.goto(HOME_PAGE)
+
+        # Click on 'Commencer'
+        commencer_button = page.wait_for_selector('button[id="btn-commencer"]')
+        if commencer_button is None:
+            raise RuntimeError
+        commencer_button.click()
+
+        # Code Postal
+        code_postal_input = page.wait_for_selector('input[id="codePostal"]')
+        if code_postal_input is None:
+            raise RuntimeError
+        code_postal_input.fill(input.code_postal)
+
+        # Select first match
+        page.wait_for_selector('li[class="uib-typeahead-match"]')
+        page.keyboard.press('Enter')
+
+        page.wait_for_timeout(1000)
+
+        # Select residence type
+        type_residence_button = page.wait_for_selector(
+            "label[for=\"nature_{}\"]".format(input.logement.residence()))
+        if type_residence_button is None:
+            raise RuntimeError
+        type_residence_button.click()
+
+        page.wait_for_timeout(1000)
+
+        browser.close()
+
+
+run_simulator(
+    CnafSimulatorInput(
+        code_postal="69001",
+        logement=AppartementOuMaison(AppartementOuMaisonType.Location)
+    ))