diff --git a/moto/organizations/models.py b/moto/organizations/models.py
index 80362a3d6..aa3ffb3fd 100644
--- a/moto/organizations/models.py
+++ b/moto/organizations/models.py
@@ -200,6 +200,7 @@ class FakePolicy(BaseModel):
         self.organization_id = organization.id
         self.master_account_id = organization.master_account_id
         self.attachments: List[Any] = []
+        self.tags = {tag["Key"]: tag["Value"] for tag in kwargs.get("Tags", [])}
 
         if not FakePolicy.supported_policy_type(self.type):
             raise InvalidInputException("You specified an invalid value.")
diff --git a/tests/test_organizations/test_organizations_boto3.py b/tests/test_organizations/test_organizations_boto3.py
index 5e7e8f85f..7f83dbc2d 100644
--- a/tests/test_organizations/test_organizations_boto3.py
+++ b/tests/test_organizations/test_organizations_boto3.py
@@ -1244,6 +1244,38 @@ def test_tag_resource_organization_organizational_unit():
     response["Tags"].should.equal([])
 
 
+@mock_organizations
+def test_tag_resource_policy():
+    client = boto3.client("organizations", region_name="us-east-1")
+    client.create_organization(FeatureSet="ALL")
+    _ = client.list_roots()["Roots"][0]["Id"]
+
+    resource_id = client.create_policy(
+        Content=json.dumps(policy_doc01),
+        Description="A dummy service control policy",
+        Name="MockServiceControlPolicy",
+        Type="SERVICE_CONTROL_POLICY",
+    )["Policy"]["PolicySummary"]["Id"]
+
+    client.tag_resource(ResourceId=resource_id, Tags=[{"Key": "key", "Value": "value"}])
+
+    response = client.list_tags_for_resource(ResourceId=resource_id)
+    response["Tags"].should.equal([{"Key": "key", "Value": "value"}])
+
+    # adding a tag with an existing key, will update the value
+    client.tag_resource(
+        ResourceId=resource_id, Tags=[{"Key": "key", "Value": "new-value"}]
+    )
+
+    response = client.list_tags_for_resource(ResourceId=resource_id)
+    response["Tags"].should.equal([{"Key": "key", "Value": "new-value"}])
+
+    client.untag_resource(ResourceId=resource_id, TagKeys=["key"])
+
+    response = client.list_tags_for_resource(ResourceId=resource_id)
+    response["Tags"].should.equal([])
+
+
 @mock_organizations
 def test_tag_resource_errors():
     client = boto3.client("organizations", region_name="us-east-1")