diff --git a/app/controllers/api/messages_controller.rb b/app/controllers/api/messages_controller.rb
index dcecd946f..8fd89a1db 100644
--- a/app/controllers/api/messages_controller.rb
+++ b/app/controllers/api/messages_controller.rb
@@ -24,7 +24,7 @@ def message_drafts
       @message.save
 
       permitted_message_draft_params.fetch(:objects, []).each do |object_params|
-        message_object = @message.objects.create(object_params.except(:content, :tags))
+        message_object = @message.objects.create(object_params.except(:content, :to_be_signed, :tags))
 
         object_params.fetch(:tags, []).each do |tag_name|
           tag = @tenant.user_signature_tags.find_by(name: tag_name)
@@ -33,6 +33,11 @@ def message_drafts
         end
         @message.thread.box.tenant.signed_externally_tag!.assign_to_message_object(message_object) if message_object.is_signed
 
+        if object_params[:to_be_signed]
+          @message.tenant.signer_group.signature_requested_from_tag&.assign_to_message_object(message_object)
+          @message.tenant.signer_group.signature_requested_from_tag&.assign_to_thread(@message.thread)
+        end
+
         MessageObjectDatum.create(
           message_object: message_object,
           blob: Base64.decode64(object_params[:content])
diff --git a/app/controllers/message_drafts_controller.rb b/app/controllers/message_drafts_controller.rb
index 9a54a3f1c..ecbaa9c28 100644
--- a/app/controllers/message_drafts_controller.rb
+++ b/app/controllers/message_drafts_controller.rb
@@ -13,7 +13,6 @@ def submit
     if @message.submit
       redirect_to message_thread_path(@message.thread), notice: "Správa bola zaradená na odoslanie"
     else
-      # TODO FIX: Tato hlaska sa zobrazuje aj ked je object oznaceny ako to_be_signed, ale nebol este podpisany
       redirect_to message_thread_path(@message.thread), alert: @message.not_submittable_errors.join(', ')
     end
   end
diff --git a/app/controllers/message_threads/bulk/message_drafts_controller.rb b/app/controllers/message_threads/bulk/message_drafts_controller.rb
index 05fecbad6..9a1a54030 100644
--- a/app/controllers/message_threads/bulk/message_drafts_controller.rb
+++ b/app/controllers/message_threads/bulk/message_drafts_controller.rb
@@ -9,10 +9,12 @@ def submit
         message_threads = message_thread_policy_scope.where(id: ids).includes(:messages)
         message_threads.transaction do
           submission_results = SubmitMessageDraftsAction.run(message_threads)
-          if submission_results
-            redirect_back fallback_location: message_threads_path, notice: "Správy vo vláknach boli zaradené na odoslanie", status: 303
-          else
+          if submission_results.none?(true)
+            redirect_back fallback_location: message_threads_path, alert: "Vo vláknach sa našli správy, ktoré neboli podpísané všetkými podpismi", status: 303 and return if any_missing_signature?(message_threads)
             redirect_back fallback_location: message_threads_path, alert: "Vo vláknach sa nenašli žiadne správy na odoslanie", status: 303
+          else
+            redirect_back fallback_location: message_threads_path, alert: "Správy, ktoré neboli podpísané všetkými podpismi neboli zaradené na odoslanie", status: 303 and return if any_missing_signature?(message_threads)
+            redirect_back fallback_location: message_threads_path, notice: "Správy vo vláknach boli zaradené na odoslanie", status: 303
           end
         end
       end
@@ -41,6 +43,10 @@ def destroy
       def message_thread_policy_scope
         policy_scope(MessageThread)
       end
+
+      def any_missing_signature?(message_threads)
+        MessageThreadsTag.where(message_thread: message_threads, tag: Current.tenant.tags.signature_requesting).exists?
+      end
     end
   end
 end
diff --git a/app/jobs/upvs/drafts/load_content_job.rb b/app/jobs/upvs/drafts/load_content_job.rb
index 9180ffa49..e3a041f65 100644
--- a/app/jobs/upvs/drafts/load_content_job.rb
+++ b/app/jobs/upvs/drafts/load_content_job.rb
@@ -39,12 +39,16 @@ def load_message_draft_objects(message_draft, objects_path, signed:, to_be_signe
         mimetype: Utils.file_mimetype_by_name(entry_name: file_name, is_form: is_form),
         object_type: is_form ? "FORM" : "ATTACHMENT",
         is_signed: signed,
-        to_be_signed: to_be_signed,
         message: message_draft,
         visualizable: is_form ? false : nil,
         tags: tags
       )
 
+      if to_be_signed
+        message_draft_object.message.tenant.signer_group.signature_requested_from_tag&.assign_to_message_object(message_draft_object)
+        message_draft_object.message.tenant.signer_group.signature_requested_from_tag&.assign_to_thread(message_draft_object.message.thread)
+      end
+
       MessageObjectDatum.create(
         message_object: message_draft_object,
         blob: File.read(File.join(objects_path, file_name))
diff --git a/app/models/fs/message_draft.rb b/app/models/fs/message_draft.rb
index 18b9d9abf..c23776006 100644
--- a/app/models/fs/message_draft.rb
+++ b/app/models/fs/message_draft.rb
@@ -70,13 +70,12 @@ def self.create_and_validate_with_fs_form(form_files: [], author:, fs_client: Fs
       form_object = message.objects.create(
         object_type: 'FORM',
         name: form_file.original_filename,
-        mimetype: form_file.content_type,
-        to_be_signed: fs_form.signature_required
+        mimetype: form_file.content_type
       )
       form_object.update(is_signed: form_object.asice?)
       message.thread.box.tenant.signed_externally_tag!.assign_to_message_object(form_object) if form_object.is_signed?
 
-      if form_object.to_be_signed && !form_object.is_signed?
+      if fs_form.signature_required && !form_object.is_signed?
         message.thread.box.tenant.signer_group.signature_requested_from_tag&.assign_to_message_object(form_object)
         message.thread.box.tenant.signer_group.signature_requested_from_tag&.assign_to_thread(message.thread)
       end
diff --git a/app/models/message.rb b/app/models/message.rb
index c86f7512c..edd77d2ce 100644
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -96,6 +96,10 @@ def authorized?
     metadata["delivery_notification"] && metadata["authorized"] == true
   end
 
+  def any_objects_with_requested_signature?
+    MessageObjectsTag.where(message_object: objects, tag: tenant.tags.signature_requesting).exists?
+  end
+
   # TODO remove UPVS stuff from core domain
   def form
     ::Upvs::Form.find_by(
diff --git a/app/models/message_draft.rb b/app/models/message_draft.rb
index 2e03797a8..3a651ccd2 100644
--- a/app/models/message_draft.rb
+++ b/app/models/message_draft.rb
@@ -106,7 +106,7 @@ def created_from_template?
   end
 
   def submittable?
-    form_object.content.present? && objects.to_be_signed.all? { |o| o.is_signed? } && correctly_created? && valid?(:validate_data)
+    form_object&.content&.present? && correctly_created? && valid?(:validate_data) && !any_objects_with_requested_signature?
   end
 
   def not_submittable_errors
@@ -114,7 +114,7 @@ def not_submittable_errors
 
     errors = []
     errors << 'Vyplňte obsah správy' unless form_object.content.present?
-    errors << 'Pred odoslaním podpíšte všetky dokumenty na podpis' unless objects.to_be_signed.all? { |o| o.is_signed? }
+    errors << 'Pred odoslaním podpíšte všetky dokumenty na podpis' if any_objects_with_requested_signature?
     errors << 'Obsah správy nie je validný' if invalid? || !valid?(:validate_data)
     errors << 'Správu bude možné odoslať až po ukončení validácie' if being_validated?
 
diff --git a/app/models/message_object.rb b/app/models/message_object.rb
index 33e763609..30215df7a 100644
--- a/app/models/message_object.rb
+++ b/app/models/message_object.rb
@@ -7,7 +7,6 @@
 #  mimetype     :string
 #  name         :string
 #  object_type  :string           not null
-#  to_be_signed :boolean          default(FALSE), not null
 #  uuid         :uuid
 #  visualizable :boolean
 #  created_at   :datetime         not null
@@ -25,8 +24,6 @@ class MessageObject < ApplicationRecord
   has_one :archived_object, dependent: :destroy
 
   scope :unsigned, -> { where(is_signed: false) }
-  scope :to_be_signed, -> { where(to_be_signed: true) }
-  scope :should_be_signed, -> { where(to_be_signed: true, is_signed: false) }
 
   validates :name, presence: { message: "Name can't be blank" }, on: :validate_data
   validate :allowed_mimetype?, on: :validate_data
@@ -163,11 +160,11 @@ def thread
 
   def remove_object_related_tags_from_thread
     tags.each do |tag|
-      message.thread.unassign_tag(tag) unless other_thread_objects_include_tag?(tag)
+      thread.unassign_tag(tag) unless other_thread_objects_include_tag?(tag)
     end
 
-    message.thread.unassign_tag(message.tenant.signed_tag!) unless message.thread.tags.reload.where(type: SignedByTag.to_s).any?
-    message.thread.unassign_tag(message.tenant.signature_requested_tag!) unless message.thread.tags.reload.where(type: SignatureRequestedFromTag.to_s).any?
+    thread.unassign_tag(message.tenant.signed_tag!) unless thread.tags.reload.where(type: SignedByTag.to_s).any?
+    thread.unassign_tag(message.tenant.signature_requested_tag!) unless thread.tags.reload.where(type: SignatureRequestedFromTag.to_s).any?
   end
 
   def other_thread_objects_include_tag?(tag)
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 9df1e434f..3fcad2b2d 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -39,6 +39,7 @@ class Tag < ApplicationRecord
   scope :signing_tags, -> { where(type: ["SignedTag", "SignedByTag", "SignatureRequestedTag", "SignatureRequestedFromTag"]) }
   scope :signed, -> { where(type: ["SignedTag", "SignedByTag", "SignedExternallyTag"]) }
   scope :signed_by, -> { where(type: "SignedByTag") }
+  scope :signature_requesting, -> { where(type: "SignatureRequestedFromTag") }
   scope :signed_internally, -> { where(type: ["SignedTag", "SignedByTag"]) }
   scope :archived, -> { where(type: ArchivedTag.to_s) }
 
diff --git a/db/migrate/20241029064753_remove_to_be_signed_attribute_from_message_objects.rb b/db/migrate/20241029064753_remove_to_be_signed_attribute_from_message_objects.rb
new file mode 100644
index 000000000..50256c12c
--- /dev/null
+++ b/db/migrate/20241029064753_remove_to_be_signed_attribute_from_message_objects.rb
@@ -0,0 +1,5 @@
+class RemoveToBeSignedAttributeFromMessageObjects < ActiveRecord::Migration[7.1]
+  def change
+    remove_column :message_objects, :to_be_signed
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index a42c507fa..1b82c0a91 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_10_25_151903) do
+ActiveRecord::Schema[7.1].define(version: 2024_10_29_064753) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
   enable_extension "plpgsql"
@@ -387,7 +387,6 @@
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.boolean "is_signed"
-    t.boolean "to_be_signed", default: false, null: false
     t.boolean "visualizable"
     t.uuid "uuid"
     t.index ["message_id"], name: "index_message_objects_on_message_id"
diff --git a/public/openapi.yaml b/public/openapi.yaml
index 85eff9eba..da517fe51 100644
--- a/public/openapi.yaml
+++ b/public/openapi.yaml
@@ -351,7 +351,7 @@ paths:
                         description: Indikátor či je obsah objektu podpísaný
                         type: boolean
                       to_be_signed:
-                        description: Indikátor či obsah objektu má byť podpísaný
+                        description: Indikátor či obsah objektu má byť podpísaný. V prípade hodnoty true je vyžiadaný podpis na danom objekte
                         type: boolean
                       mimetype:
                         description: Typ internetového média v súlade s typom a obsahom objektu
diff --git a/test/fixtures/message_object_data.yml b/test/fixtures/message_object_data.yml
index b01660fca..b392fe4a5 100644
--- a/test/fixtures/message_object_data.yml
+++ b/test/fixtures/message_object_data.yml
@@ -8,10 +8,18 @@ two:
   message_object: ssd_main_general_two_form
   blob: MyText
 
+main_draft:
+  message_object: ssd_main_draft_form
+  blob: <GeneralAgenda xmlns="http://schemas.gov.sk/form/App.GeneralAgenda/1.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><subject>predmet</subject><text>text</text></GeneralAgenda>
+
 draft_two:
   message_object: ssd_main_general_draft_two_form
   blob: <GeneralAgenda xmlns="http://schemas.gov.sk/form/App.GeneralAgenda/1.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><subject>predmet</subject><text>text</text></GeneralAgenda>
 
+draft_three:
+  message_object: ssd_main_draft_to_be_signed2_draft_form
+  blob: <GeneralAgenda xmlns="http://schemas.gov.sk/form/App.GeneralAgenda/1.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><subject>predmet</subject><text>text</text></GeneralAgenda>
+
 empty_draft:
   message_object: ssd_main_empty_draft_form
   blob: <GeneralAgenda xmlns="http://schemas.gov.sk/form/App.GeneralAgenda/1.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><subject></subject><text></text></GeneralAgenda>
diff --git a/test/fixtures/message_objects.yml b/test/fixtures/message_objects.yml
index c6e355c1f..7a9739dd4 100644
--- a/test/fixtures/message_objects.yml
+++ b/test/fixtures/message_objects.yml
@@ -49,6 +49,12 @@ ssd_main_fs_one_form:
   mimetype: application/x-eform-xml
   object_type: FORM
 
+ssd_main_draft_form:
+  message: ssd_main_draft
+  name: MyString
+  mimetype: application/x-eform-xml
+  object_type: FORM
+
 ssd_main_draft_to_be_signed_draft_one_form:
   uuid: 6a0f716a-c284-4680-ad7e-ed2bde769dd2
   message: ssd_main_draft_to_be_signed_draft_one
@@ -80,7 +86,7 @@ ssd_main_draft_to_be_signed_draft_two_form:
 ssd_main_draft_to_be_signed2_draft_form:
   message: ssd_main_draft_to_be_signed2_draft
   name: MyString
-  mimetype: MyString
+  mimetype: application/x-eform-xml
   object_type: FORM
 
 ssd_main_draft_to_be_signed3_draft_one_form:
diff --git a/test/fixtures/messages.yml b/test/fixtures/messages.yml
index e189d0928..e83e75a97 100644
--- a/test/fixtures/messages.yml
+++ b/test/fixtures/messages.yml
@@ -217,7 +217,7 @@ ssd_main_draft_to_be_signed_draft_two:
   author: basic
 
 ssd_main_draft_to_be_signed2_draft:
-  type: MessageDraft
+  type: Upvs::MessageDraft
   uuid: <%= SecureRandom.uuid %>
   title: MyStringDraft3
   html_visualization: MyString
@@ -226,6 +226,13 @@ ssd_main_draft_to_be_signed2_draft:
   replyable: false
   metadata:
     status: created
+    sktalk_class: EGOV_APPLICATION
+    posp_id: App.GeneralAgenda
+    posp_version: 1.9
+    message_type: App.GeneralAgenda
+    correlation_id: <%= SecureRandom.uuid %>
+    recipient_uri:
+      ico://sk/12345678
   author: basic
 
 ssd_main_draft_to_be_signed3_draft:
diff --git a/test/integration/upvs_message_drafts_api_test.rb b/test/integration/upvs_message_drafts_api_test.rb
index 670dd2eb4..94c1b20c5 100644
--- a/test/integration/upvs_message_drafts_api_test.rb
+++ b/test/integration/upvs_message_drafts_api_test.rb
@@ -43,6 +43,42 @@ class UpvsMessageDraftsApiTest < ActionDispatch::IntegrationTest
     assert_not_equal Message.count, @before_request_messages_count
   end
 
+  test 'SignatureRestedTag is assigned from SignerGroup if object marked to_be_signed' do
+    message_params = {
+      type: 'Upvs::MessageDraft',
+      title: 'Všeobecná agenda',
+      uuid: SecureRandom.uuid,
+      metadata: {
+        posp_id: 'App.GeneralAgenda',
+        posp_version: '1.9',
+        message_type: 'App.GeneralAgenda',
+        correlation_id: SecureRandom.uuid,
+        sender_uri: 'SSDMainURI',
+        recipient_uri: 'ico://sk/12345678',
+      },
+      objects: [
+        {
+          name: 'Form.xml',
+          is_signed: false,
+          to_be_signed: true,
+          mimetype: 'application/x-eform-xml',
+          object_type: 'FORM',
+          content: Base64.encode64('<?xml version="1.0" encoding="utf-8"?>
+<GeneralAgenda xmlns="http://schemas.gov.sk/form/App.GeneralAgenda/1.9" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <subject>Všeobecný predmet</subject>
+  <text>Všeobecný text</text>
+</GeneralAgenda>')
+        }
+      ]
+    }
+
+    post '/api/messages/message_drafts', params: message_params.merge({ token: generate_api_token(sub: @tenant.id, key_pair: @key_pair)} ), as: :json
+
+    assert_response :created
+    assert @box.messages.last.objects.first.tags.include?(@tenant.signer_group.signature_requested_from_tag)
+    assert @box.messages.last.thread.tags.include?(@tenant.signature_requested_tag!)
+  end
+
   test 'can upload valid message with tags if they exist' do
     message_params = {
       type: 'Upvs::MessageDraft',
diff --git a/test/models/message_object_test.rb b/test/models/message_object_test.rb
index 7d0f4c043..f3e109145 100644
--- a/test/models/message_object_test.rb
+++ b/test/models/message_object_test.rb
@@ -206,6 +206,15 @@ class MessageObjectTest < ActiveSupport::TestCase
     assert_not object.message.thread.tags.include?(tenant.signed_tag!)
   end
 
+  test "before_destroy callback deletes SignatureRequested Tag from message thread (if no more objects with SignatureRequestedFromTag present)" do
+    message_object = message_objects(:ssd_main_draft_form)
+    message_thread = message_object.message.thread
+
+    message_object.destroy
+
+    assert_equal false, message_thread.tags.reload.include?(message_thread.tenant.signature_requested_tag!)
+  end
+
   test "before_destroy callback keeps object related tags for message thread (if another objects with the tag present in the message)" do
     tenant = tenants(:ssd)
     signer = users(:basic_two)
diff --git a/test/system/message_drafts_test.rb b/test/system/message_drafts_test.rb
index c29b01a07..24e8e6cbf 100644
--- a/test/system/message_drafts_test.rb
+++ b/test/system/message_drafts_test.rb
@@ -56,4 +56,19 @@ class MessageDraftsTest < ApplicationSystemTestCase
     refute_selector(thread_in_listing_selector(thread_general))
     refute_selector(thread_in_listing_selector(thread_issue))
   end
+
+  test "message is not submitted and flash message is shown when user tries to send message without requested signatures present" do
+    message_thread = message_threads(:ssd_main_draft_to_be_signed2)
+    message_draft = messages(:ssd_main_draft_to_be_signed2_draft)
+
+    visit message_thread_path(message_thread)
+
+    within("#upvs_message_draft_#{message_draft.id}") do
+      assert_button "Odoslať"
+
+      click_button "Odoslať"
+    end
+
+    assert_text "Pred odoslaním podpíšte všetky dokumenty na podpis"
+  end
 end