diff --git a/app/models/bulk_upload.rb b/app/models/bulk_upload.rb
index f546ea56d..702dcb599 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.persisted?
+            # 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/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"