diff --git a/src/Form/Nph/NphOrderType.php b/src/Form/Nph/NphOrderType.php
index f79873c09..cfac8bb4f 100644
--- a/src/Form/Nph/NphOrderType.php
+++ b/src/Form/Nph/NphOrderType.php
@@ -155,7 +155,7 @@ public function buildForm(FormBuilderInterface $builder, array $options)
         'view_timezone' => $options['userTimezone'],
         'model_timezone' => 'UTC',
         'label' => 'Order Creation Time',
-        'attr' => ['class' => 'order-ts']
+        'attr' => ['class' => 'order-ts', 'autocomplete' => 'off'],
         ]);
 
         return $builder->getForm();
diff --git a/src/Repository/NphOrderRepository.php b/src/Repository/NphOrderRepository.php
index 9746baae4..bb37039b1 100644
--- a/src/Repository/NphOrderRepository.php
+++ b/src/Repository/NphOrderRepository.php
@@ -216,11 +216,14 @@ public function getDownTimeGeneratedOrdersByModuleAndVisit(string $ParticipantId
     {
         $queryBuild = $this->createQueryBuilder('no')
             ->where('no.participantId = :participantId')
+            ->join('no.nphSamples', 'ns')
             ->andWhere('no.module = :module')
             ->andWhere('no.visitType = :visitType')
             ->andWhere('no.DowntimeGenerated = 1')
+            ->andWhere('ns.modifyType != :modifyType OR ns.modifyType IS NULL')
             ->setParameter('participantId', $ParticipantId)
             ->setParameter('module', $Module)
+            ->setParameter('modifyType', NphSample::CANCEL)
             ->setParameter('visitType', $Visit);
         return $queryBuild->getQuery()->getResult();
     }
diff --git a/src/Service/Nph/NphOrderService.php b/src/Service/Nph/NphOrderService.php
index 989d303c4..f1bbad97d 100644
--- a/src/Service/Nph/NphOrderService.php
+++ b/src/Service/Nph/NphOrderService.php
@@ -275,12 +275,12 @@ public function createOrdersAndSamples(array $formData): string
         return $sampleGroup;
     }
 
-    public function createOrder(string $timePoint, string $orderType, string $orderId = null, bool $downtimeGenerated = false, ?DateTime $downtimeGeneratedTs = new DateTime()): NphOrder
+    public function createOrder(string $timePoint, string $orderType, string $orderId = null, bool $downtimeGenerated = false, ?DateTime $downtimeGeneratedTs = null): NphOrder
     {
         if ($orderId === null) {
             $orderId = $this->generateOrderId();
         }
-        if ($downtimeGeneratedTs === null) {
+        if (empty($downtimeGeneratedTs)) {
             $downtimeGeneratedTs = new DateTime();
         }
         $nphOrder = new NphOrder();
@@ -849,20 +849,24 @@ public function getDowntimeOrderSummary(): array
         $downtimeGenerated = [];
         $downtimeGenerated['orderInfo'] = [];
         $downtimeGenerated['sampleInfo'] = [];
-        $orderNumber = 1;
+        $orderNumber = 0;
+        $seenSampleGroups = [];
         /** @var NphOrder $order */
         foreach ($orders as $order) {
             if (array_key_exists($order->getTimepoint(), $existingSamples)) {
-                $downtimeGenerated['orderInfo'][$orderNumber]['orderUser'] = $order->getUser()->getEmail();
-                $downtimeGenerated['orderInfo'][$orderNumber]['orderDowntimeCreatedTime'] = $order->getDowntimeGeneratedTs();
-                $downtimeGenerated['orderInfo'][$orderNumber]['orderCreatedTime'] = $order->getCreatedTs();
                 /** @var NphSample $sample */
                 foreach ($order->getNphSamples() as $sample) {
+                    if (!in_array($sample->getSampleGroup(), $seenSampleGroups, true)) {
+                        $seenSampleGroups[] = $sample->getSampleGroup();
+                        $orderNumber++;
+                        $downtimeGenerated['orderInfo'][$orderNumber]['orderUser'] = $order->getUser()->getEmail();
+                        $downtimeGenerated['orderInfo'][$orderNumber]['orderDowntimeCreatedTime'] = $order->getDowntimeGeneratedTs();
+                        $downtimeGenerated['orderInfo'][$orderNumber]['orderCreatedTime'] = $order->getCreatedTs();
+                    }
                     if (in_array($sample->getSampleCode(), $existingSamples[$order->getTimepoint()], true)) {
                         $downtimeGenerated['sampleInfo'][$order->getTimepoint()][$sample->getSampleCode()] = $orderNumber;
                     }
                 }
-                $orderNumber++;
             }
         }
         return $downtimeGenerated;
@@ -937,7 +941,7 @@ private function getNumericId(): string
         return $id;
     }
 
-    private function createOrderWithSamples(string $timePoint, string $orderType, array $samples, string $sampleGroup, bool $downtimeGenerated = false, ?DateTime $downtimeGeneratedCreatedTs = new DateTime()): void
+    private function createOrderWithSamples(string $timePoint, string $orderType, array $samples, string $sampleGroup, bool $downtimeGenerated = false, ?DateTime $downtimeGeneratedCreatedTs = null): void
     {
         $nphOrder = $this->createOrder($timePoint, $orderType, null, $downtimeGenerated, $downtimeGeneratedCreatedTs);
         foreach ($samples as $sample) {
diff --git a/templates/program/nph/order/collect.html.twig b/templates/program/nph/order/collect.html.twig
index a34e5aad7..a0fb33604 100644
--- a/templates/program/nph/order/collect.html.twig
+++ b/templates/program/nph/order/collect.html.twig
@@ -13,7 +13,7 @@
     </div>
     {% if order.downtimeGenerated() %}
     <div class="alert bg-success well-sm margin-top-15 text-success">
-        <span>This sample was generated as part of a downtime order initiated by: {{ order.downtimeGeneratedUser.getEmail }} on {{ order.downtimeGeneratedTs|date('n/j/Y') }}. [Order generation time: {{ order.createdTs|date('n/j/Y g:ia')}}] </span>
+        <span>This sample was generated as part of a downtime order initiated by: {{ order.downtimeGeneratedUser.getEmail }} on {{ order.downtimeGeneratedTs|date('n/j/Y', app.user.timezone) }}. [Order generation time: {{ order.createdTs|date('n/j/Y g:ia', app.user.timezone)}}] </span>
     </div>
     {% endif %}
     <div class="row">
diff --git a/templates/program/nph/order/generate-orders.html.twig b/templates/program/nph/order/generate-orders.html.twig
index 8b0b12ee8..917627e3c 100644
--- a/templates/program/nph/order/generate-orders.html.twig
+++ b/templates/program/nph/order/generate-orders.html.twig
@@ -44,7 +44,7 @@
                 {% for orderNumber, order in downtimeOrders['orderInfo'] %}
                     <div class="col-sm-3" style="margin-bottom: 25px">
                         <label>Order Generation Time<sup>{{ orderNumber }}</sup></label>
-                        <input type="text" disabled class="order-ts form-control" style="" value="{{ order['orderCreatedTime']|date('n/j/Y g:ia') }}">
+                        <input type="text" disabled class="order-ts form-control" style="" value="{{ order['orderCreatedTime']|date('n/j/Y g:ia', app.user.timezone) }}">
                         <sub class="text-success"><i class="fa fa-history"></i> Downtime order initiated by:
                             {{order['orderUser']}}</sub>
                     </div>
diff --git a/templates/program/nph/order/sample-finalize.html.twig b/templates/program/nph/order/sample-finalize.html.twig
index 17ac188ef..751a37b0e 100644
--- a/templates/program/nph/order/sample-finalize.html.twig
+++ b/templates/program/nph/order/sample-finalize.html.twig
@@ -203,7 +203,7 @@
                 <div class="panel-body">
                     {% if order.downtimeGenerated() %}
                         <div class="alert bg-success well-sm margin-top-15 text-success">
-                            <span>This sample was generated as part of a downtime order initiated by: {{ order.downtimeGeneratedUser.getEmail }} on {{ order.downtimeGeneratedTs|date('n/j/Y') }}. [Order generation time: {{ order.createdTs|date('n/j/Y g:ia')}}] </span>
+                            <span>This sample was generated as part of a downtime order initiated by: {{ order.downtimeGeneratedUser.getEmail }} on {{ order.downtimeGeneratedTs|date('n/j/Y', app.user.timezone) }}. [Order generation time: {{ order.createdTs|date('n/j/Y g:ia', app.user.timezone)}}] </span>
                         </div>
                     {% endif %}
                     {% if isFormDisabled %}
diff --git a/templates/program/nph/order/samples.html.twig b/templates/program/nph/order/samples.html.twig
index e90d53e94..99929cb5e 100644
--- a/templates/program/nph/order/samples.html.twig
+++ b/templates/program/nph/order/samples.html.twig
@@ -72,7 +72,7 @@
 {% endmacro %}
 
 {% macro displayDowntimeGeneratedOrderNumber(downtimeGeneratedOrders, timePoint, sample) %}
-    {% if downtimeGeneratedOrders['sampleInfo']|length > 0 and downtimeGeneratedOrders['sampleInfo'][timePoint][sample.vars.value] %}
+    {% if downtimeGeneratedOrders['sampleInfo']|length > 0 and timePoint in downtimeGeneratedOrders['sampleInfo']|keys and downtimeGeneratedOrders['sampleInfo'][timePoint][sample.vars.value] %}
         <sup>{{ downtimeGeneratedOrders['sampleInfo'][timePoint][sample.vars.value] }}</sup>
     {% endif %}
 {% endmacro %}
diff --git a/web/assets/js/views/NphOrderCreate.js b/web/assets/js/views/NphOrderCreate.js
index 434758325..01d651e79 100644
--- a/web/assets/js/views/NphOrderCreate.js
+++ b/web/assets/js/views/NphOrderCreate.js
@@ -178,8 +178,14 @@ $(document).ready(function () {
         }
     }
 
-    showHideDowntimeCreatedTs();
-    $("#nph_order_createdTs").pmiDateTimePicker({
-        maxDate: new Date()
-    });
+    function initializeDowntimeCreatedTsDatePicker() {
+        showHideDowntimeCreatedTs();
+        let dateSelector = $("#nph_order_createdTs");
+        let currentValue = dateSelector.val();
+        $("#nph_order_createdTs").pmiDateTimePicker({
+            maxDate: new Date()
+        });
+        dateSelector.val(currentValue);
+    }
+    initializeDowntimeCreatedTsDatePicker();
 });