diff --git a/base_tier_validation/models/tier_definition.py b/base_tier_validation/models/tier_definition.py
index 7ef4404058..48738442a2 100644
--- a/base_tier_validation/models/tier_definition.py
+++ b/base_tier_validation/models/tier_definition.py
@@ -68,6 +68,12 @@ def _get_tier_validation_model_names(self):
         "this definition is triggered.",
     )
     has_comment = fields.Boolean(string="Comment", default=False)
+    comment_required_validate = fields.Boolean(
+        string="Comment required for validation", default=True
+    )
+    comment_required_reject = fields.Boolean(
+        string="Comment required for rejection", default=True
+    )
     approve_sequence = fields.Boolean(
         string="Approve by sequence",
         default=False,
diff --git a/base_tier_validation/models/tier_review.py b/base_tier_validation/models/tier_review.py
index fa56d86bb6..e89c30ef8e 100644
--- a/base_tier_validation/models/tier_review.py
+++ b/base_tier_validation/models/tier_review.py
@@ -50,6 +50,12 @@ class TierReview(models.Model):
         string="Validation Formated Date", compute="_compute_reviewed_formated_date"
     )
     has_comment = fields.Boolean(related="definition_id.has_comment", readonly=True)
+    comment_required_validate = fields.Boolean(
+        related="definition_id.comment_required_validate", readonly=True
+    )
+    comment_required_reject = fields.Boolean(
+        related="definition_id.comment_required_reject", readonly=True
+    )
     comment = fields.Char(string="Comments")
     can_review = fields.Boolean(
         compute="_compute_can_review",
diff --git a/base_tier_validation/models/tier_validation.py b/base_tier_validation/models/tier_validation.py
index ffcb6db6bb..cfd4a7d7e9 100644
--- a/base_tier_validation/models/tier_validation.py
+++ b/base_tier_validation/models/tier_validation.py
@@ -64,14 +64,20 @@ class TierValidation(models.AbstractModel):
         compute="_compute_can_review", search="_search_can_review"
     )
     has_comment = fields.Boolean(compute="_compute_has_comment")
+    comment_required_validate = fields.Boolean(compute="_compute_has_comment")
+    comment_required_reject = fields.Boolean(compute="_compute_has_comment")
     next_review = fields.Char(compute="_compute_next_review")
 
     def _compute_has_comment(self):
         for rec in self:
-            has_comment = rec.review_ids.filtered(
+            reviews = rec.review_ids.filtered(
                 lambda r: r.status == "pending" and (self.env.user in r.reviewer_ids)
-            ).mapped("has_comment")
-            rec.has_comment = True in has_comment
+            )
+            rec.has_comment = any(reviews.mapped("has_comment"))
+            rec.comment_required_validate = any(
+                reviews.mapped("comment_required_validate")
+            )
+            rec.comment_required_reject = any(reviews.mapped("comment_required_reject"))
 
     def _get_sequences_to_approve(self, user):
         all_reviews = self.review_ids.filtered(lambda r: r.status == "pending")
@@ -383,7 +389,7 @@ def validate_tier(self):
         reviews = self.review_ids.filtered(
             lambda l: l.sequence in sequences or l.approve_sequence_bypass
         )
-        if self.has_comment:
+        if self.has_comment and self.comment_required_validate:
             user_reviews = reviews.filtered(
                 lambda r: r.status == "pending" and (self.env.user in r.reviewer_ids)
             )
@@ -395,7 +401,7 @@ def reject_tier(self):
         self.ensure_one()
         sequences = self._get_sequences_to_approve(self.env.user)
         reviews = self.review_ids.filtered(lambda l: l.sequence in sequences)
-        if self.has_comment:
+        if self.has_comment and self.comment_required_reject:
             return self._add_comment("reject", reviews)
         self._rejected_tier(reviews)
         self._update_counter({"review_deleted": True})
diff --git a/base_tier_validation/tests/test_tier_validation.py b/base_tier_validation/tests/test_tier_validation.py
index 4cbd96132a..b79852cec9 100644
--- a/base_tier_validation/tests/test_tier_validation.py
+++ b/base_tier_validation/tests/test_tier_validation.py
@@ -160,6 +160,7 @@ def test_11_add_comment(self):
         wizard = Form(self.env["comment.wizard"].with_context(**ctx))
         wizard.comment = "Test Comment"
         wiz = wizard.save()
+        self.assertTrue(wiz.comment_required)
         wiz.add_comment()
         self.assertTrue(test_record.review_ids.mapped("comment"))
         # Check notify
@@ -183,6 +184,7 @@ def test_11_add_comment_rejection(self):
                 "reviewer_id": self.test_user_1.id,
                 "definition_domain": "[('test_field', '>', 1.0)]",
                 "has_comment": True,
+                "comment_required_reject": False,
             }
         )
         # Request validation
@@ -195,6 +197,7 @@ def test_11_add_comment_rejection(self):
         wizard = Form(self.env["comment.wizard"].with_context(**ctx))
         wizard.comment = "Test Comment"
         wiz = wizard.save()
+        self.assertFalse(wiz.comment_required)
         wiz.add_comment()
         self.assertTrue(test_record.review_ids.mapped("comment"))
         # Check notify
diff --git a/base_tier_validation/views/tier_definition_view.xml b/base_tier_validation/views/tier_definition_view.xml
index 64e0227aa8..8598d7bbeb 100644
--- a/base_tier_validation/views/tier_definition_view.xml
+++ b/base_tier_validation/views/tier_definition_view.xml
@@ -100,6 +100,14 @@
                                 <group name="notify">
                                     <field name="notify_on_create" />
                                     <field name="has_comment" />
+                                    <field
+                                        name="comment_required_validate"
+                                        attrs="{'invisible': [('has_comment', '=', False)]}"
+                                    />
+                                    <field
+                                        name="comment_required_reject"
+                                        attrs="{'invisible': [('has_comment', '=', False)]}"
+                                    />
                                 </group>
                             </group>
                         </page>
diff --git a/base_tier_validation/wizard/comment_wizard.py b/base_tier_validation/wizard/comment_wizard.py
index 5c5a6c933d..209b6f55f6 100644
--- a/base_tier_validation/wizard/comment_wizard.py
+++ b/base_tier_validation/wizard/comment_wizard.py
@@ -12,12 +12,22 @@ class CommentWizard(models.TransientModel):
     res_model = fields.Char()
     res_id = fields.Integer()
     review_ids = fields.Many2many(comodel_name="tier.review")
-    comment = fields.Char(required=True)
+    comment = fields.Char()
+    comment_required = fields.Boolean(compute="_compute_comment_required")
+
+    def _compute_comment_required(self):
+        for this in self:
+            this.comment_required = all(
+                this.review_ids.mapped(
+                    "definition_id.comment_required_%s" % this.validate_reject
+                )
+            )
 
     def add_comment(self):
         self.ensure_one()
         rec = self.env[self.res_model].browse(self.res_id)
-        self.review_ids.write({"comment": self.comment})
+        if self.comment:
+            self.review_ids.write({"comment": self.comment})
         if self.validate_reject == "validate":
             rec._validate_tier(self.review_ids)
         if self.validate_reject == "reject":
diff --git a/base_tier_validation/wizard/comment_wizard_view.xml b/base_tier_validation/wizard/comment_wizard_view.xml
index 70c1a9285a..a1369d0280 100644
--- a/base_tier_validation/wizard/comment_wizard_view.xml
+++ b/base_tier_validation/wizard/comment_wizard_view.xml
@@ -9,7 +9,13 @@
         <field name="arch" type="xml">
             <form string="Comment">
                 <group>
-                    <field colspan="2" name="comment" nolabel="1" />
+                    <field name="comment_required" invisible="True" />
+                    <field
+                        colspan="2"
+                        name="comment"
+                        nolabel="1"
+                        attrs="{'required': [('comment_required', '=', True)]}"
+                    />
                 </group>
                 <footer>
                     <button