diff --git a/base_tier_validation/__manifest__.py b/base_tier_validation/__manifest__.py
index 1f40cc9..364bb99 100644
--- a/base_tier_validation/__manifest__.py
+++ b/base_tier_validation/__manifest__.py
@@ -3,7 +3,7 @@
 {
     "name": "Base Tier Validation",
     "summary": "Implement a validation process based on tiers.",
-    "version": "12.0.2.0.0",
+    "version": "12.0.2.0.1",
     "development_status": "Mature",
     "maintainers": ['lreficent'],
     "category": "Tools",
diff --git a/base_tier_validation/models/tier_validation.py b/base_tier_validation/models/tier_validation.py
index e2c84af..c72e7e8 100644
--- a/base_tier_validation/models/tier_validation.py
+++ b/base_tier_validation/models/tier_validation.py
@@ -155,7 +155,20 @@ class TierValidation(models.AbstractModel):
             'done_by': self.env.user.id,
             'reviewed_date': fields.Datetime.now(),
         })
-        # TODO: add message_post
+        for review in user_reviews:
+            rec = self.env[review.model].browse(review.res_id)
+            rec._notify_accepted_reviews()
+
+    def _notify_accepted_reviews(self):
+        if hasattr(self, 'message_post'):
+            # Notify state change
+            getattr(self, 'message_post')(
+                subtype='mt_comment',
+                body=self._notify_accepted_reviews_body()
+            )
+
+    def _notify_accepted_reviews_body(self):
+        return _('A review was accepted')
 
     @api.multi
     def validate_tier(self):
@@ -174,7 +187,18 @@ class TierValidation(models.AbstractModel):
                 'done_by': self.env.user.id,
                 'reviewed_date': fields.Datetime.now(),
             })
-            # TODO: Add Message_post
+            rec._notify_rejected_review()
+
+    def _notify_rejected_review_body(self):
+        return _('A review was rejected by %s.') % (self.env.user.name)
+
+    def _notify_rejected_review(self):
+        if hasattr(self, 'message_post'):
+            # Notify state change
+            getattr(self, 'message_post')(
+                subtype='mt_comment',
+                body=self._notify_rejected_review_body()
+            )
 
     @api.multi
     def request_validation(self):