diff --git a/app/orm.py b/app/orm.py
index bfd6557..387c828 100644
--- a/app/orm.py
+++ b/app/orm.py
@@ -170,6 +170,14 @@ class Lease(Base):
         renew = delta.total_seconds() * LEASE_RENEWAL_PERIOD
         renew = datetime.timedelta(seconds=renew)
         expires = delta - renew  # 19.2
+
+        import datetime
+        LEASE_RENEWAL_PERIOD=0.15  # 15%
+        delta = datetime.timedelta(days=90)
+        renew = delta.total_seconds() * LEASE_RENEWAL_PERIOD
+        renew = datetime.timedelta(seconds=renew)
+        expires = delta - renew  # 76 days, 12:00:00 hours
+
         """
         renew = delta.total_seconds() * renewal_period
         renew = timedelta(seconds=renew)