diff --git a/responsibleai/responsibleai/managers/causal_manager.py b/responsibleai/responsibleai/managers/causal_manager.py
index 5c1c9a5c6b..9600ebb96f 100644
--- a/responsibleai/responsibleai/managers/causal_manager.py
+++ b/responsibleai/responsibleai/managers/causal_manager.py
@@ -219,6 +219,36 @@ def add(
                        f"got {heterogeneity_model}")
             raise UserConfigValidationException(message)
 
+        # Check treatment_cost is valid
+        if isinstance(treatment_cost, int) and \
+                treatment_cost == 0:
+            revised_treatment_cost = [0] * len(
+                treatment_features)
+        else:
+            revised_treatment_cost = treatment_cost
+
+        if not isinstance(revised_treatment_cost, list):
+            message = (
+                "treatment_cost must be a list with "
+                "the same number of elements as "
+                "treatment_features where each element "
+                "is either a constant cost of treatment "
+                "or an array specifying the cost of "
+                "treatment per sample. "
+                "Found treatment_cost of type "
+                f"{type(revised_treatment_cost)}, expected list.")
+            raise UserConfigValidationException(message)
+        elif len(revised_treatment_cost) != \
+                len(treatment_features):
+            message = (
+                "treatment_cost must be a list with "
+                "the same number of elements as "
+                "treatment_features. "
+                "Length of treatment_cost was "
+                f"{len(revised_treatment_cost)}, expected "
+                f"{len(treatment_features)}.")
+            raise UserConfigValidationException(message)
+
         validate_train_test_categories(
             train_data=self._train,
             test_data=self._test,
@@ -233,7 +263,7 @@ def add(
             heterogeneity_model=heterogeneity_model,
             alpha=alpha,
             upper_bound_on_cat_expansion=upper_bound_on_cat_expansion,
-            treatment_cost=treatment_cost,
+            treatment_cost=revised_treatment_cost,
             min_tree_leaf_samples=min_tree_leaf_samples,
             max_tree_depth=max_tree_depth,
             skip_cat_limit_checks=skip_cat_limit_checks,
@@ -405,41 +435,11 @@ def compute(self):
                     X_test, alpha=causal_config.alpha, keep_all_levels=True)
 
                 result.policies = []
-
-                # Check treatment_cost is valid
-                if isinstance(causal_config.treatment_cost, int) and \
-                        causal_config.treatment_cost == 0:
-                    revised_treatment_cost = [0] * len(
-                        causal_config.treatment_features)
-                else:
-                    revised_treatment_cost = causal_config.treatment_cost
-
-                if not isinstance(revised_treatment_cost, list):
-                    message = (
-                        "treatment_cost must be a list with "
-                        "the same number of elements as "
-                        "treatment_features where each element "
-                        "is either a constant cost of treatment "
-                        "or an array specifying the cost of "
-                        "treatment per sample. "
-                        "Found treatment_cost of type "
-                        f"{type(revised_treatment_cost)}, expected list.")
-                    raise UserConfigValidationException(message)
-                elif len(revised_treatment_cost) != \
-                        len(causal_config.treatment_features):
-                    message = ("treatment_cost must be a list with "
-                               "the same number of elements as "
-                               "treatment_features. "
-                               "Length of treatment_cost was "
-                               f"{len(revised_treatment_cost)}, expected "
-                               f"{len(causal_config.treatment_features)}.")
-                    raise UserConfigValidationException(message)
-
                 for i in range(len(causal_config.treatment_features)):
                     policy = self._create_policy(
                         result, X_test,
                         causal_config.treatment_features[i],
-                        revised_treatment_cost[i],
+                        causal_config.treatment_cost[i],
                         causal_config.alpha, causal_config.max_tree_depth,
                         causal_config.min_tree_leaf_samples)
                     result.policies.append(policy)
diff --git a/responsibleai/tests/causal/test_causal_manager.py b/responsibleai/tests/causal/test_causal_manager.py
index ab63a7309f..6331be2040 100644
--- a/responsibleai/tests/causal/test_causal_manager.py
+++ b/responsibleai/tests/causal/test_causal_manager.py
@@ -251,7 +251,6 @@ def test_zero_cost(self, cost_manager):
                 cost_manager.add(['AveRooms', 'Population', 'AveOccup'],
                                  treatment_cost=0)
                 cost_manager.compute()
-
             except TypeError:
                 pass
             mock_create.assert_any_call(ANY, ANY, 'AveRooms', 0, ANY, ANY, ANY)
@@ -269,7 +268,6 @@ def test_nonzero_scalar_cost(self, cost_manager):
         with pytest.raises(UserConfigValidationException, match=message):
             cost_manager.add(['AveRooms', 'Population', 'AveOccup'],
                              treatment_cost=5)
-            cost_manager.compute()
 
     def test_nonlist_cost(self, cost_manager):
         message = ("treatment_cost must be a list with the same number of "
@@ -281,7 +279,6 @@ def test_nonlist_cost(self, cost_manager):
         with pytest.raises(UserConfigValidationException, match=message):
             cost_manager.add(['AveRooms', 'Population', 'AveOccup'],
                              treatment_cost=np.array([1, 2]))
-            cost_manager.compute()
 
     def test_invalid_cost_list_length(self, cost_manager):
         expected = ("treatment_cost must be a list with the same number of "
@@ -290,7 +287,6 @@ def test_invalid_cost_list_length(self, cost_manager):
         with pytest.raises(UserConfigValidationException, match=expected):
             cost_manager.add(['AveRooms', 'Population', 'AveOccup'],
                              treatment_cost=[1, 2])
-            cost_manager.compute()
 
     def test_constant_cost_per_treatment_feature(self, cost_manager):
         with patch.object(cost_manager, '_create_policy', return_value=None)\