diff --git a/app/controllers/api/messages_controller.rb b/app/controllers/api/messages_controller.rb
index b71b0673..e6591c33 100644
--- a/app/controllers/api/messages_controller.rb
+++ b/app/controllers/api/messages_controller.rb
@@ -78,6 +78,7 @@ def permitted_message_draft_params
       metadata: [
         :correlation_id,
         :reference_id,
+        :business_id,
         :sender_uri,
         :recipient_uri,
         :sender_business_reference,
diff --git a/app/jobs/govbox/submit_message_draft_job.rb b/app/jobs/govbox/submit_message_draft_job.rb
index 2e9ffde8..50e52583 100644
--- a/app/jobs/govbox/submit_message_draft_job.rb
+++ b/app/jobs/govbox/submit_message_draft_job.rb
@@ -34,6 +34,8 @@ def perform(message_draft, bulk_submit: false, upvs_client: UpvsEnvironment.upvs
       message_type: all_message_metadata["message_type"],
       message_id: message_draft.uuid,
       correlation_id: message_draft.metadata["correlation_id"],
+      reference_id: message_draft.metadata["reference_id"],
+      business_id: message_draft.metadata["business_id"],
       recipient_uri: message_draft.metadata["recipient_uri"],
       message_subject: message_draft.title,
       sender_business_reference: message_draft.metadata["sender_business_reference"],
diff --git a/app/models/upvs/message_draft.rb b/app/models/upvs/message_draft.rb
index ee58651e..f9811cc5 100644
--- a/app/models/upvs/message_draft.rb
+++ b/app/models/upvs/message_draft.rb
@@ -36,6 +36,7 @@ def self.load_from_params(message_params, box:)
       metadata: [
         :correlation_id,
         :reference_id,
+        :business_id,
         :sender_uri,
         :recipient_uri,
         :sender_business_reference,
diff --git a/public/openapi.yaml b/public/openapi.yaml
index f4fdd936..856001eb 100644
--- a/public/openapi.yaml
+++ b/public/openapi.yaml
@@ -308,6 +308,9 @@ paths:
                       description: Identifikátor správy, na ktorú sa správa (odpoveď) viaže
                       type: string
                       format: uuid
+                    business_id:
+                      description: Identifikátor, ktorý jednoznačne identifikuje správu, pričom tento identifikátor môže byť v čitateľnom tvare. Jeho formát určuje poskytovateľ služby.
+                      type: string
                     recipient_uri:
                       description: Identifikátor prijímateľa správy
                       type: string
diff --git a/test/integration/upvs_message_drafts_api_test.rb b/test/integration/upvs_message_drafts_api_test.rb
index b4efae82..3d16f908 100644
--- a/test/integration/upvs_message_drafts_api_test.rb
+++ b/test/integration/upvs_message_drafts_api_test.rb
@@ -18,6 +18,8 @@ class UpvsMessageDraftsApiTest < ActionDispatch::IntegrationTest
         posp_version: '1.9',
         message_type: 'App.GeneralAgenda',
         correlation_id: SecureRandom.uuid,
+        reference_id: SecureRandom.uuid,
+        business_id: 'SomeID',
         sender_uri: 'SSDMainURI',
         recipient_uri: 'ico://sk/12345678',
       },