diff --git a/app/jobs/submit_folio_patron_request_job.rb b/app/jobs/submit_folio_patron_request_job.rb
index 59818d8bc..cdcdc2207 100644
--- a/app/jobs/submit_folio_patron_request_job.rb
+++ b/app/jobs/submit_folio_patron_request_job.rb
@@ -46,15 +46,22 @@ def submit_folio_requests!(item_request)
   def folio_request_data_for_item(request, item) # rubocop:disable Metrics/AbcSize
     FolioClient::CirculationRequestData.new(
       request_level: 'Item', request_type: best_request_type(request, item),
-      instance_id: request.instance_id, item_id: item.id, holdings_record_id: item.holdings_record_id,
+      instance_id: item.instance&.id || request.instance_id, item_id: item.id, holdings_record_id: item.holdings_record_id,
       requester_id: request.requester_patron_id, proxy_user_id: (if request.for_sponsor?
                                                                    request.patron&.id
                                                                  end), fulfillment_preference: 'Hold Shelf',
       pickup_service_point_id: request.pickup_service_point.id,
-      patron_comments: request.request_comments, request_expiration_date: (Time.zone.today + 3.years).to_time.utc.iso8601
+      patron_comments: patron_comments(request, item), request_expiration_date: (Time.zone.today + 3.years).to_time.utc.iso8601
     )
   end
 
+  def patron_comments(request, item)
+    [request.request_comments,
+     (if item.instance&.id && item.instance&.id != request.instance_id
+        { bound_with_child_instance_id: request.instance_id }.to_json
+      end)].compact.join("\n")
+  end
+
   def folio_client
     @folio_client ||= FolioClient.new
   end
diff --git a/app/views/patron_requests/_confirmation_screen.html.erb b/app/views/patron_requests/_confirmation_screen.html.erb
index 574b23057..67fdf02b9 100644
--- a/app/views/patron_requests/_confirmation_screen.html.erb
+++ b/app/views/patron_requests/_confirmation_screen.html.erb
@@ -25,6 +25,28 @@
 
         <hr />
 
+        <% @patron_request.selected_items.select(&:bound_with_child_holdings_record).each do |item| %>
+            <div class="alert alert-warning d-flex align-items-center gap-3">
+                <i class="bi bi-exclamation-triangle-fill me-2 text-warning fs-1"></i>
+
+                <div>
+                    <div class="fw-bold mb-2">Important!</div>
+
+                    <p>
+                        <% if @patron_request.selected_items.one? %>
+                            This item
+                        <% else %>
+                            The item <i><%= @patron_request.bib_data.title %></i> (<%= item.bound_with_child_holdings_record.call_number %>)
+                        <% end %> is bound with other items and is shelved under the title <i><%= item.instance.title %></i> (<%= item.callnumber %>).
+                    </p>
+
+                    <p class="mb-0">
+                        Be advised that all subsequent correspondence will reference this title. The item you requested will be included with it.
+                    </p>
+                </div>
+            </div>
+        <% end %>
+
         <h2 class="my-4">Request confirmation</h2>
         <dl class="dl-inline">
             <div><dt>Title:</dt><dd><%= @patron_request.item_title %></dd></div>
diff --git a/spec/factories/folio_api_json.rb b/spec/factories/folio_api_json.rb
index 1048ae827..46b842680 100644
--- a/spec/factories/folio_api_json.rb
+++ b/spec/factories/folio_api_json.rb
@@ -802,4 +802,17 @@
       ]
     end
   end
+
+  factory :bound_with_child_holding, parent: :instance do
+    id { '1234' }
+    title { 'One bound-with child' }
+
+    holdings_records do
+      [
+        build(:holdings_record,
+              bound_with_item: build(:item, instance: build(:instance, title: 'Bound with parent', id: '9876'), barcode: '12345678', base_callnumber: 'ABC 123',
+                                            effective_location: build(:location, code: 'SAL3-STACKS')))
+      ]
+    end
+  end
 end
diff --git a/spec/features/create_patron_request_spec.rb b/spec/features/create_patron_request_spec.rb
index 73fed0fcd..f7d0f7542 100644
--- a/spec/features/create_patron_request_spec.rb
+++ b/spec/features/create_patron_request_spec.rb
@@ -80,6 +80,27 @@
                                                                                               instance_id: bib_data.id))
     end
 
+    context 'for a bound-with item' do
+      let(:bib_data) { build(:bound_with_child_holding) }
+
+      it 'submits the request for the bound-with parent instance' do
+        folio_client = FolioClient.new
+        allow(folio_client).to receive(:create_circulation_request)
+        allow(FolioClient).to receive(:new).and_return(folio_client)
+        allow(patron).to receive(:allowed_request_types).and_return(%w[Hold Page Recall])
+
+        visit new_patron_request_path(instance_hrid: 'a1234', origin_location_code: 'SAL3-STACKS')
+
+        perform_enqueued_jobs do
+          click_on 'Submit request'
+          expect(page).to have_content 'We received your pickup request'
+          expect(page).to have_content 'This item is bound with other items and is shelved under the title Bound with parent (ABC 123)'
+        end
+        expect(folio_client).to have_received(:create_circulation_request).with(have_attributes(requester_id: patron.id,
+                                                                                                instance_id: '9876'))
+      end
+    end
+
     context 'for a scan' do
       let(:bib_data) { build(:scannable_holdings) }
       let(:user) { create(:scan_eligible_user) }