diff --git a/app/models/bulk_upload.rb b/app/models/bulk_upload.rb
index f546ea56d..dcab1753f 100644
--- a/app/models/bulk_upload.rb
+++ b/app/models/bulk_upload.rb
@@ -26,12 +26,14 @@ class BulkUpload
     else
       data_range = FIRST_DATA_ROW..last_row
       data_range.map do |row_num|
-        case_log = CaseLog.create
+        case_log = CaseLog.create!
         map_row(sheet.row(row_num)).each do |attr_key, attr_val|
-          begin
-            case_log.update_attribute(attr_key, attr_val)
-          rescue ArgumentError
+          update = case_log.update(attr_key => attr_val)
+          unless update
+            # TODO: determine what to do when a bulk upload contains field values that don't pass validations
           end
+        rescue ArgumentError
+          # TODO: determine what we want to do when bulk upload contains totally invalid data for a field.
         end
       end
     end
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 7ea45b6e4..ad52856b9 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -33,25 +33,12 @@
     <a href="#main-content" class="govuk-skip-link">Skip to main content</a>
 
     <header class="govuk-header" role="banner" data-module="govuk-header">
-      <div class="govuk-header__container govuk-width-container">
-        <div class="govuk-header__logo">
-          <%= link_to "/", class: "govuk-header__link govuk-header__link--homepage" do %>
-            <span class="govuk-header__logotype">
-              <svg role="presentation" focusable="false" class="govuk-header__logotype-crown" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 132 97" height="32" width="36">
-                <path fill="currentColor" fill-rule="evenodd" d="M25 30.2c3.5 1.5 7.7-.2 9.1-3.7 1.5-3.6-.2-7.8-3.9-9.2-3.6-1.4-7.6.3-9.1 3.9-1.4 3.5.3 7.5 3.9 9zM9 39.5c3.6 1.5 7.8-.2 9.2-3.7 1.5-3.6-.2-7.8-3.9-9.1-3.6-1.5-7.6.2-9.1 3.8-1.4 3.5.3 7.5 3.8 9zM4.4 57.2c3.5 1.5 7.7-.2 9.1-3.8 1.5-3.6-.2-7.7-3.9-9.1-3.5-1.5-7.6.3-9.1 3.8-1.4 3.5.3 7.6 3.9 9.1zm38.3-21.4c3.5 1.5 7.7-.2 9.1-3.8 1.5-3.6-.2-7.7-3.9-9.1-3.6-1.5-7.6.3-9.1 3.8-1.3 3.6.4 7.7 3.9 9.1zm64.4-5.6c-3.6 1.5-7.8-.2-9.1-3.7-1.5-3.6.2-7.8 3.8-9.2 3.6-1.4 7.7.3 9.2 3.9 1.3 3.5-.4 7.5-3.9 9zm15.9 9.3c-3.6 1.5-7.7-.2-9.1-3.7-1.5-3.6.2-7.8 3.7-9.1 3.6-1.5 7.7.2 9.2 3.8 1.5 3.5-.3 7.5-3.8 9zm4.7 17.7c-3.6 1.5-7.8-.2-9.2-3.8-1.5-3.6.2-7.7 3.9-9.1 3.6-1.5 7.7.3 9.2 3.8 1.3 3.5-.4 7.6-3.9 9.1zM89.3 35.8c-3.6 1.5-7.8-.2-9.2-3.8-1.4-3.6.2-7.7 3.9-9.1 3.6-1.5 7.7.3 9.2 3.8 1.4 3.6-.3 7.7-3.9 9.1zM69.7 17.7l8.9 4.7V9.3l-8.9 2.8c-.2-.3-.5-.6-.9-.9L72.4 0H59.6l3.5 11.2c-.3.3-.6.5-.9.9l-8.8-2.8v13.1l8.8-4.7c.3.3.6.7.9.9l-5 15.4v.1c-.2.8-.4 1.6-.4 2.4 0 4.1 3.1 7.5 7 8.1h.2c.3 0 .7.1 1 .1.4 0 .7 0 1-.1h.2c4-.6 7.1-4.1 7.1-8.1 0-.8-.1-1.7-.4-2.4V34l-5.1-15.4c.4-.2.7-.6 1-.9zM66 92.8c16.9 0 32.8 1.1 47.1 3.2 4-16.9 8.9-26.7 14-33.5l-9.6-3.4c1 4.9 1.1 7.2 0 10.2-1.5-1.4-3-4.3-4.2-8.7L108.6 76c2.8-2 5-3.2 7.5-3.3-4.4 9.4-10 11.9-13.6 11.2-4.3-.8-6.3-4.6-5.6-7.9 1-4.7 5.7-5.9 8-.5 4.3-8.7-3-11.4-7.6-8.8 7.1-7.2 7.9-13.5 2.1-21.1-8 6.1-8.1 12.3-4.5 20.8-4.7-5.4-12.1-2.5-9.5 6.2 3.4-5.2 7.9-2 7.2 3.1-.6 4.3-6.4 7.8-13.5 7.2-10.3-.9-10.9-8-11.2-13.8 2.5-.5 7.1 1.8 11 7.3L80.2 60c-4.1 4.4-8 5.3-12.3 5.4 1.4-4.4 8-11.6 8-11.6H55.5s6.4 7.2 7.9 11.6c-4.2-.1-8-1-12.3-5.4l1.4 16.4c3.9-5.5 8.5-7.7 10.9-7.3-.3 5.8-.9 12.8-11.1 13.8-7.2.6-12.9-2.9-13.5-7.2-.7-5 3.8-8.3 7.1-3.1 2.7-8.7-4.6-11.6-9.4-6.2 3.7-8.5 3.6-14.7-4.6-20.8-5.8 7.6-5 13.9 2.2 21.1-4.7-2.6-11.9.1-7.7 8.8 2.3-5.5 7.1-4.2 8.1.5.7 3.3-1.3 7.1-5.7 7.9-3.5.7-9-1.8-13.5-11.2 2.5.1 4.7 1.3 7.5 3.3l-4.7-15.4c-1.2 4.4-2.7 7.2-4.3 8.7-1.1-3-.9-5.3 0-10.2l-9.5 3.4c5 6.9 9.9 16.7 14 33.5 14.8-2.1 30.8-3.2 47.7-3.2z"></path>
-                <image src="<%= asset_pack_path('media/images/govuk-logotype-crown.png') %>" class="govuk-header__logotype-crown-fallback-image"></image>
-              </svg>
-              <span class="govuk-header__logotype-text">
-                GOV.UK
-              </span>
-            </span>
-          <% end %>
-        </div>
-
-        <div class="govuk-header__content">
-          <%= link_to "Share Lettings and Sales for Social Housing in England Data with DLUHC", "/", class: "govuk-header__link govuk-header__link--service-name" %>
-        </div>
-      </div>
+      <%= render GovukComponent::HeaderComponent.new(
+            logotype: 'GOV.UK',
+            service_name: 'Share Lettings and Sales for Social Housing in England Data with DLUHC',
+            service_url: '/'
+          )
+      %>
     </header>
 
     <aside class="govuk-width-container">
diff --git a/config/forms/2021_2022.json b/config/forms/2021_2022.json
index 885d4dadf..b0ac1a524 100644
--- a/config/forms/2021_2022.json
+++ b/config/forms/2021_2022.json
@@ -1028,18 +1028,6 @@
         "tenancy_information": {
           "label": "Tenancy information",
           "pages": {
-            "tenancy_code": {
-              "header": "",
-              "description": "",
-              "questions": {
-                "tenancy_code": {
-                  "check_answer_label": "What is the tenancy code?",
-                  "header": "What is the tenancy code?",
-                  "hint_text": "",
-                  "type": "text"
-                }
-              }
-            },
             "starter_tenancy": {
               "header": "",
               "description": "",
diff --git a/db/migrate/20211116102527_change_datetime.rb b/db/migrate/20211116102527_change_datetime.rb
index f3b78282b..10a9c581f 100644
--- a/db/migrate/20211116102527_change_datetime.rb
+++ b/db/migrate/20211116102527_change_datetime.rb
@@ -1,5 +1,5 @@
 class ChangeDatetime < ActiveRecord::Migration[6.1]
-  def change
+  def up
     change_table :case_logs, bulk: true do |t|
       t.remove :sale_completion_date
       t.column :sale_completion_date, :datetime
@@ -7,4 +7,13 @@ class ChangeDatetime < ActiveRecord::Migration[6.1]
       t.column :startdate, :datetime
     end
   end
+
+  def down
+    change_table :case_logs, bulk: true do |t|
+      t.remove :sale_completion_date
+      t.column :sale_completion_date, :string
+      t.remove :startdate
+      t.column :startdate, :string
+    end
+  end
 end
diff --git a/db/schema.rb b/db/schema.rb
index fa2839c20..b011b0ce8 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -121,6 +121,8 @@ ActiveRecord::Schema.define(version: 2021_11_16_102527) do
     t.integer "rp_dontknow"
     t.datetime "discarded_at"
     t.string "tenancyother"
+    t.integer "override_net_income_validation"
+    t.string "net_income_known"
     t.string "gdpr_acceptance"
     t.string "gdpr_declined"
     t.string "property_owner_organisation"
@@ -131,8 +133,6 @@ ActiveRecord::Schema.define(version: 2021_11_16_102527) do
     t.string "intermediate_rent_product_name"
     t.string "needs_type"
     t.string "purchaser_code"
-    t.integer "override_net_income_validation"
-    t.string "net_income_known"
     t.integer "reason"
     t.string "propcode"
     t.integer "majorrepairs"