diff --git a/buildout.cfg b/buildout.cfg
index 48dac86f..2f233661 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -9,3 +9,4 @@ extends =
 eggs +=
     Products.PrintingMailHost
     design.plone.ioprenoto
+
diff --git a/src/redturtle/prenotazioni/browser/prenotazioni_context_state.py b/src/redturtle/prenotazioni/browser/prenotazioni_context_state.py
index de3d75ae..8a5ea422 100644
--- a/src/redturtle/prenotazioni/browser/prenotazioni_context_state.py
+++ b/src/redturtle/prenotazioni/browser/prenotazioni_context_state.py
@@ -296,13 +296,24 @@ def is_before_allowed_period(self, day, bypass_user_restrictions=False):
 
     @memoize
     def is_valid_day(self, day, bypass_user_restrictions=False):
-        """Returns True if the day is valid"""
+        """Returns True if the day is valid
+        Day is not valid in those conditions:
+            - day is out of validity range
+                (not applied to BookingManager if PrenotazioniFolder.bookins_manager_is_restricted_by_dates is False)
+            - day is vacation day
+            - day is out of PrenotazioniFolder.futures_day range
+                (not applied to BookingManager if PrenotazioniFolder.bookins_manager_is_restricted_by_dates is False)
+            - week day is not configured
+        """
 
         if isinstance(day, datetime):
             day = day.date()
 
         is_configured_day = self.is_configured_day(day)
 
+        if bypass_user_restrictions:
+            return True
+
         if (
             is_configured_day
             and self.user_can_manage_prenotazioni
@@ -316,20 +327,16 @@ def is_valid_day(self, day, bypass_user_restrictions=False):
         if self.is_vacation_day(day):
             return False
 
-        if not bypass_user_restrictions and (
-            self.last_bookable_day and day > self.last_bookable_day
-        ):
+        if self.last_bookable_day and day > self.last_bookable_day:
             return False
 
-        if self.is_before_allowed_period(
-            day, bypass_user_restrictions=bypass_user_restrictions
-        ):
+        if self.is_before_allowed_period(day, bypass_user_restrictions=False):
             return False
 
         if self.future_days_limit:
             date_limit = date.today() + timedelta(days=self.future_days_limit)
 
-            if day >= date_limit and not bypass_user_restrictions:
+            if day >= date_limit:
                 return False
 
         return is_configured_day
diff --git a/src/redturtle/prenotazioni/tests/test_day.py b/src/redturtle/prenotazioni/tests/test_day.py
index b8d2ca6f..38e824a5 100644
--- a/src/redturtle/prenotazioni/tests/test_day.py
+++ b/src/redturtle/prenotazioni/tests/test_day.py
@@ -187,6 +187,6 @@ def test_requested_day_is_out_of_range(self):
 
         results = response.json()
 
-        self.assertEquals(results["gates"], [])
-        self.assertEquals(results["pauses"], [])
-        self.assertEquals(results["bookings"], [])
+        self.assertEqual(results["gates"], [])
+        self.assertEqual(results["pauses"], [])
+        self.assertEqual(results["bookings"], [])