diff --git a/openstates/ar/__init__.py b/openstates/ar/__init__.py
index 8de2c9a936..1cd76ac8f2 100644
--- a/openstates/ar/__init__.py
+++ b/openstates/ar/__init__.py
@@ -33,7 +33,7 @@
             'name': '2015-2016',
             'start_year': 2015,
             'end_year': 2016,
-            'sessions': ['2015','2015S1', '2016S2', '2016F']
+            'sessions': ['2015','2015S1', '2016S2', '2016F', '2016S3'],
         },
     ],
     'session_details': {
@@ -111,19 +111,27 @@
         },
         '2016S2': {
             'type': 'special',
-            'start_date': datetime.date(2016, 04, 06),
-            'end_date': datetime.date(2016, 04, 06),
+            'start_date': datetime.date(2016, 4, 6),
+            'end_date': datetime.date(2016, 4, 6),
             'display_name': '2016 Second Extraordinary Session',
             '_scraped_name': 'Second Extraordinary Session, 2016',
             'slug': '2016S2',
         },
         '2016F': {
             'type': 'special',
-            'start_date': datetime.date(2016, 04, 13),
+            'start_date': datetime.date(2016, 4, 13),
+            'end_date': datetime.date(2016, 5, 9),
             'display_name': '2016 Fiscal Session',
             '_scraped_name': 'Fiscal Session, 2016',
             'slug': '2016F',
-        }        
+        },
+        '2016S3': {
+            'type': 'special',
+            'start_date': datetime.date(2016, 5, 19),
+            'display_name': '2016 Third Extraordinary Session',
+            '_scraped_name': 'Third Extraordinary Session, 2016',
+            'slug': '2016S3',
+        },
     },
     'feature_flags': ['influenceexplorer', 'events'],
     '_ignored_scraped_sessions': [