diff --git a/Admin/Install/Navigation.install.json b/Admin/Install/Navigation.install.json
index ac80b4e..6c98a52 100755
--- a/Admin/Install/Navigation.install.json
+++ b/Admin/Install/Navigation.install.json
@@ -44,7 +44,7 @@
                 "children": []
             },
             {
-                "id": 1007903001,
+                "id": 1007904001,
                 "pid": "/contract",
                 "type": 3,
                 "subtype": 1,
diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 60bd4ce..b82fa51 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -124,6 +124,7 @@ final class ApiController extends Controller
         $contract->isTemplate  = $request->getDataBool('template') ?? false;
         $contract->unit        = new NullUnit($request->getDataInt('unit') ?? 0);
         $contract->end         = $request->getDataDateTime('end');
+        $contract->parent      = $request->getDataInt('parent');
 
         return $contract;
     }
@@ -159,7 +160,7 @@ final class ApiController extends Controller
 
         $path = $this->createContractDir($contract);
 
-        $uploaded = $this->app->moduleManager->get('Media')->uploadFiles(
+        $uploaded = $this->app->moduleManager->get('Media', 'Api')->uploadFiles(
             names: $request->getDataList('names'),
             fileNames: $request->getDataList('filenames'),
             files: $uploadedFiles,
@@ -313,8 +314,6 @@ final class ApiController extends Controller
      *
      * @return array<string, bool>
      *
-     * @todo Implement API validation function
-     *
      * @since 1.0.0
      */
     private function validateContractDelete(RequestAbstract $request) : array
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 650adec..1d6c4f6 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -19,6 +19,7 @@ use Modules\ContractManagement\Models\ContractMapper;
 use Modules\ContractManagement\Models\ContractTypeMapper;
 use Modules\Organization\Models\UnitMapper;
 use phpOMS\Contract\RenderableInterface;
+use phpOMS\DataStorage\Database\Query\OrderType;
 use phpOMS\Message\RequestAbstract;
 use phpOMS\Message\ResponseAbstract;
 use phpOMS\Views\View;
@@ -164,10 +165,16 @@ final class BackendController extends Controller
             ->with('notes')
             ->where('id', (int) $request->getData('id'))
             ->where('attributes/type/l11n/language', $response->header->l11n->language)
-            ->sort('files/id', 'DESC')
+            ->sort('files/id', OrderType::DESC)
             ->execute();
 
-            $view->data['contractTypes'] = ContractTypeMapper::getAll()
+        $view->data['children'] = ContractMapper::getAll()
+            ->with('account')
+            ->where('parent', (int) $request->getData('id'))
+            ->sort('createdAt', OrderType::DESC)
+            ->execute();
+
+        $view->data['contractTypes'] = ContractTypeMapper::getAll()
             ->with('l11n')
             ->where('l11n/language', $response->header->l11n->language)
             ->execute();
diff --git a/Theme/Backend/contract-list.tpl.php b/Theme/Backend/contract-list.tpl.php
index 4019cc0..855c5f5 100755
--- a/Theme/Backend/contract-list.tpl.php
+++ b/Theme/Backend/contract-list.tpl.php
@@ -47,7 +47,7 @@ echo $this->data['nav']->render(); ?>
                         <label>
                             <i class="filter g-icon">filter_alt</i>
                         </label>
-                    <td class="wf-100"><?= $this->getHtml('With'); ?>
+                    <td><?= $this->getHtml('With'); ?>
                         <label for="contractList-sort-3">
                             <input type="radio" name="contractList-sort" id="contractList-sort-3">
                             <i class="sort-asc g-icon">expand_less</i>
@@ -72,7 +72,10 @@ echo $this->data['nav']->render(); ?>
                             <i class="filter g-icon">filter_alt</i>
                         </label>
                 <tbody>
-                <?php foreach ($contracts as $key => $value) :
+                <?php
+                $count = 0;
+                foreach ($contracts as $key => $value) :
+                    ++$count;
                     $url = UriFactory::build('{/base}/contract/view?{?}&id=' . $value->id);
 
                     $type = 'ok';
@@ -91,6 +94,9 @@ echo $this->data['nav']->render(); ?>
                     <td data-label="<?= $this->getHtml('Account'); ?>"><a class="content" href="<?= UriFactory::build('{/base}/profile/view?{?}&for=' . $value->account->id); ?>"><?= $this->printHtml($value->account->name1); ?> <?= $this->printHtml($value->account->name2); ?></a>
                     <td data-label="<?= $this->getHtml('End'); ?>"><a href="<?= $url; ?>"><span class="tag <?= $type;  ?>"><?= $value->end !== null ? $value->end->format('Y-m-d') : ''; ?></span></a>
                 <?php endforeach; ?>
+                <?php if ($count === 0) : ?>
+                    <tr><td colspan="3" class="empty"><?= $this->getHtml('Empty', '0', '0'); ?>
+                    <?php endif; ?>
             </table>
             </div>
             <div class="portlet-foot">
diff --git a/Theme/Backend/contract-view.tpl.php b/Theme/Backend/contract-view.tpl.php
index d194834..fb5f6e3 100644
--- a/Theme/Backend/contract-view.tpl.php
+++ b/Theme/Backend/contract-view.tpl.php
@@ -12,6 +12,8 @@
  */
 declare(strict_types=1);
 
+use phpOMS\Uri\UriFactory;
+
 /**
  * @var \phpOMS\Views\View                          $this
  * @var \Modules\ContractManagement\Models\Contract $contract
@@ -27,9 +29,7 @@ echo $this->data['nav']->render(); ?>
             <li><label for="c-tab-2"><?= $this->getHtml('Files'); ?></label>
             <li><label for="c-tab-3"><?= $this->getHtml('Notes', 'Editor', 'Backend'); ?></label>
             <li><label for="c-tab-4"><?= $this->getHtml('Attributes', 'Attribute', 'Backend'); ?></label>
-            <!-- if parrent contract show all parties that use this template/parent contract (e.g. show all customers who have this contract)
-            <li><label for="c-tab-4"><?= $this->getHtml('Parties'); ?></label>
-            -->
+            <li><label for="c-tab-5"><?= $this->getHtml('Parties'); ?></label>
         </ul>
     </div>
     <div class="tab-content">
@@ -137,5 +137,85 @@ echo $this->data['nav']->render(); ?>
                 ?>
             </div>
         </div>
+
+        <input type="radio" id="c-tab-5" name="tabular-2"<?= $this->request->uri->fragment === 'c-tab-5' ? ' checked' : ''; ?>>
+        <div class="tab">
+            <div class="row">
+                <div class="col-xs-12">
+                    <div class="portlet">
+                        <div class="portlet-head"><?= $this->getHtml('Contracts'); ?><i class="g-icon download btn end-xs">download</i></div>
+                        <div class="slider">
+                        <table id="contractList" class="default sticky">
+                            <thead>
+                            <tr>
+                                <td><?= $this->getHtml('End'); ?>
+                                    <label for="contractList-sort-5">
+                                        <input type="radio" name="contractList-sort" id="contractList-sort-5">
+                                        <i class="sort-asc g-icon">expand_less</i>
+                                    </label>
+                                    <label for="contractList-sort-6">
+                                        <input type="radio" name="contractList-sort" id="contractList-sort-6">
+                                        <i class="sort-desc g-icon">expand_more</i>
+                                    </label>
+                                    <label>
+                                        <i class="filter g-icon">filter_alt</i>
+                                    </label>
+                                <td><?= $this->getHtml('With'); ?>
+                                    <label for="contractList-sort-3">
+                                        <input type="radio" name="contractList-sort" id="contractList-sort-3">
+                                        <i class="sort-asc g-icon">expand_less</i>
+                                    </label>
+                                    <label for="contractList-sort-4">
+                                        <input type="radio" name="contractList-sort" id="contractList-sort-4">
+                                        <i class="sort-desc g-icon">expand_more</i>
+                                    </label>
+                                    <label>
+                                        <i class="filter g-icon">filter_alt</i>
+                                    </label>
+                                <td class="wf-100"><?= $this->getHtml('Title'); ?>
+                                    <label for="contractList-sort-1">
+                                        <input type="radio" name="contractList-sort" id="contractList-sort-1">
+                                        <i class="sort-asc g-icon">expand_less</i>
+                                    </label>
+                                    <label for="contractList-sort-2">
+                                        <input type="radio" name="contractList-sort" id="contractList-sort-2">
+                                        <i class="sort-desc g-icon">expand_more</i>
+                                    </label>
+                                    <label>
+                                        <i class="filter g-icon">filter_alt</i>
+                                    </label>
+                            <tbody>
+                            <?php
+                            $count = 0;
+                            $now = new \DateTime('now');
+                            foreach ($this->data['children'] as $key => $value) :
+                                ++$count;
+                                $url = UriFactory::build('{/base}/contract/view?{?}&id=' . $value->id);
+
+                                $type = 'ok';
+                                if (($value->end->getTimestamp() < $now->getTimestamp() && $value->end->getTimestamp() + 7776000 > $now->getTimestamp())
+                                    || ($value->end->getTimestamp() > $now->getTimestamp() && $value->end->getTimestamp() - 7776000 < $now->getTimestamp())
+                                ) {
+                                    $type = 'error';
+                                } elseif ($value->end->getTimestamp() < $now->getTimestamp()) {
+                                    $type = 'info';
+                                } elseif ($value->end->getTimestamp() + 7776000 < $now->getTimestamp()) {
+                                    $type = 'warning';
+                                }
+                            ?>
+                            <tr tabindex="0" data-href="<?= $url; ?>">
+                                <td data-label="<?= $this->getHtml('End'); ?>"><a href="<?= $url; ?>"><span class="tag <?= $type;  ?>"><?= $value->end !== null ? $value->end->format('Y-m-d') : ''; ?></span></a>
+                                <td data-label="<?= $this->getHtml('Account'); ?>"><a class="content" href="<?= UriFactory::build('{/base}/profile/view?{?}&for=' . $value->account->id); ?>"><?= $this->printHtml($value->account->name1); ?> <?= $this->printHtml($value->account->name2); ?></a>
+                                <td data-label="<?= $this->getHtml('Title'); ?>"><a href="<?= $url; ?>"><?= $this->printHtml($value->title); ?></a>
+                            <?php endforeach; ?>
+                            <?php if ($count === 0) : ?>
+                            <tr><td colspan="3" class="empty"><?= $this->getHtml('Empty', '0', '0'); ?>
+                            <?php endif; ?>
+                        </table>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </div>
     </div>
 </div>