diff --git a/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ht.py b/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ht.py
index e2e11d3a..1efef281 100644
--- a/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ht.py
+++ b/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ht.py
@@ -153,6 +153,9 @@ def formula(menage, period, parameters):
         prix_gazole_b10_ht = prix_gazole_b10_ht_avant_remise - (aide_exceptionnelle_gazole_essence_hl / 100)
         return prix_gazole_b10_ht
 
+    def formula_2023(menage, period):
+        return menage('prix_gazole_b10_ht_avant_remise', period)
+
 
 class prix_essence_sp95_e10_ht_avant_remise(Variable):
     value_type = float
@@ -282,6 +285,9 @@ def formula(menage, period, parameters):
         prix_essence_sp95_e10_hors_remise_ttc = prix_essence_sp95_e10_ht_avant_remise - (aide_exceptionnelle_gazole_essence_hl / 100)
         return prix_essence_sp95_e10_hors_remise_ttc
 
+    def formula_2023(menage, period):
+        return menage('prix_essence_sp95_e10_ht_avant_remise', period)
+
 
 class prix_essence_sp95_ht_avant_remise(Variable):
     value_type = float
@@ -411,6 +417,9 @@ def formula(menage, period, parameters):
         prix_essence_sp95_hors_remise_ttc = prix_essence_sp95_ht_avant_remise - (aide_exceptionnelle_gazole_essence_hl / 100)
         return prix_essence_sp95_hors_remise_ttc
 
+    def formula_2023(menage, period):
+        return menage('prix_essence_sp95_ht_avant_remise', period)
+
 
 class prix_essence_sp98_ht_avant_remise(Variable):
     value_type = float
diff --git a/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ttc.py b/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ttc.py
index de422450..847e747c 100644
--- a/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ttc.py
+++ b/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ttc.py
@@ -36,6 +36,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_gazole_b7_hors_remise_ttc = prix_gazole_b7_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_gazole_b7_hors_remise_ttc
+        
+    def formula_2023(menage, period):
+        return menage('prix_gazole_b7_ttc', period)
 
 
 class prix_gazole_b10_ttc(Variable):  # ATTENTION: pas de prix disponible pour gazole B10, on utilise prix du gazole B7
@@ -69,6 +72,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_gazole_b10_hors_remise_ttc = prix_gazole_b10_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_gazole_b10_hors_remise_ttc
+        
+    def formula_2023(menage, period):
+        return menage('prix_gazole_b10_ttc', period)
 
 
 class prix_essence_sp95_e10_ttc(Variable):
@@ -102,6 +108,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_essence_sp95_e10_ttc = prix_essence_sp95_e10_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_essence_sp95_e10_ttc
+        
+    def formula_2023(menage, period):
+        return menage('prix_essence_sp95_e10_ttc', period)
 
 
 class prix_essence_sp95_ttc(Variable):
@@ -135,6 +144,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_essence_sp95_ttc = prix_essence_sp95_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_essence_sp95_ttc
+        
+    def formula_2023(menage, period):
+        return menage('prix_essence_sp95_ttc', period)
 
 
 class prix_essence_sp98_ttc(Variable):
@@ -168,6 +180,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_essence_sp98_ttc = prix_essence_sp98_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_essence_sp98_ttc
+        
+    def formula_2023(menage, period):
+        return menage('prix_essence_sp98_ttc', period)
 
 
 class prix_essence_super_plombe_ttc(Variable):  # ATTENTION: pas prix par région disponible, on garde les prix TTC général de l'IPP. (INSEE)
@@ -215,6 +230,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_essence_e85_hors_remise_ttc = prix_essence_e85_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_essence_e85_hors_remise_ttc
+        
+    def formula_2023(menage, period):
+        return menage('prix_essence_e85_ttc', period)
 
 
 class prix_gpl_carburant_ttc(Variable):
diff --git a/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ttc_sortie.py b/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ttc_sortie.py
index c1f7e333..3eeb7e6e 100644
--- a/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ttc_sortie.py
+++ b/openfisca_france_indirect_taxation/variables/taxes_indirectes/prix_carburants_ttc_sortie.py
@@ -112,6 +112,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_gazole_b7_hors_remise_ttc = prix_gazole_b7_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_gazole_b7_hors_remise_ttc
+    
+    def formula_2023(menage, period):
+        return menage('prix_gazole_b7_ttc_sortie', period)
 
 
 class prix_gazole_b10_ttc_sortie(Variable):
@@ -153,6 +156,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_gazole_b10_hors_remise_ttc = prix_gazole_b10_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_gazole_b10_hors_remise_ttc
+        
+    def formula_2023(menage, period):
+        return menage('prix_gazole_b10_ttc_sortie', period)
 
 
 class prix_essence_sp95_e10_ttc_sortie(Variable):
@@ -283,6 +289,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_essence_sp95_e10_ttc = prix_essence_sp95_e10_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_essence_sp95_e10_ttc
+    
+    def formula_2023(menage, period):
+        return menage('prix_essence_sp95_e10_ttc_sortie', period)
 
 
 class prix_essence_sp95_ttc_sortie(Variable):
@@ -413,6 +422,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_essence_sp95_ttc = prix_essence_sp95_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_essence_sp95_ttc
+        
+    def formula_2023(menage, period):
+        return menage('prix_essence_sp95_ttc_sortie', period)
 
 
 class prix_essence_sp98_ttc_sortie(Variable):
@@ -543,6 +555,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_essence_sp98_ttc = prix_essence_sp98_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_essence_sp98_ttc
+        
+    def formula_2023(menage, period):
+        return menage('prix_essence_sp98_ttc_sortie', period)
 
 
 class prix_essence_super_plombe_ttc_sortie(Variable):
@@ -605,6 +620,9 @@ def formula(menage, period, parameters):
         taux_plein_tva = parameters(period).imposition_indirecte.tva.taux_de_tva.taux_normal
         prix_essence_e85_hors_remise_ttc = prix_essence_e85_ttc + (aide_exceptionnelle_gazole_essence_hl / 100) * (1 + taux_plein_tva)
         return prix_essence_e85_hors_remise_ttc
+        
+    def formula_2023(menage, period):
+        return menage('prix_essence_e85_ttc_sortie', period)
 
 
 class prix_gpl_carburant_ttc_sortie(Variable):