diff --git a/embargo.views.inc b/embargo.views.inc
new file mode 100644
index 0000000..5128bc5
--- /dev/null
+++ b/embargo.views.inc
@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * @file
+ * Views hook implementations.
+ */
+
+/**
+ * Implements hook_views_data_alter().
+ */
+function embargo_views_data_alter(array &$data) {
+
+  $data['node_field_data']['embargo__embargoes'] = [
+    'title' => \t('Embargoes'),
+    'help' => \t('Embargoes applicable to the given node.'),
+    'relationship' => [
+      'base' => 'embargo',
+      'base field' => 'embargoed_node',
+      'field' => 'nid',
+      'id' => 'standard',
+      'label' => \t('Embargoes'),
+    ],
+  ];
+  $data['users_field_data']['embargo__exempt_users'] = [
+    'title' => \t('Embargo exemptions'),
+    'help' => \t('Embargoes for which the given user is specifically exempt.'),
+    'relationship' => [
+      'id' => 'entity_reverse',
+      'field_name' => 'embargo__exempt_users',
+      'entity_type' => 'embargo',
+      'field table' => 'embargo__exempt_users',
+      'field field' => 'exempt_users_target_id',
+      'base' => 'embargo',
+      'base field' => 'id',
+      'label' => \t('Embargo exemptions'),
+    ],
+  ];
+
+}
diff --git a/src/EmbargoIpRangeViewsData.php b/src/EmbargoIpRangeViewsData.php
new file mode 100644
index 0000000..0816412
--- /dev/null
+++ b/src/EmbargoIpRangeViewsData.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace Drupal\embargo;
+
+use Drupal\views\EntityViewsData;
+
+/**
+ * Embargo IP range entity views data generation.
+ */
+class EmbargoIpRangeViewsData extends EntityViewsData {
+
+}
diff --git a/src/EmbargoViewsData.php b/src/EmbargoViewsData.php
new file mode 100644
index 0000000..380a83d
--- /dev/null
+++ b/src/EmbargoViewsData.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace Drupal\embargo;
+
+use Drupal\views\EntityViewsData;
+
+/**
+ * Embargo entity views data generation.
+ */
+class EmbargoViewsData extends EntityViewsData {
+
+}
diff --git a/src/Entity/Embargo.php b/src/Entity/Embargo.php
index 33eca07..e67f6ac 100644
--- a/src/Entity/Embargo.php
+++ b/src/Entity/Embargo.php
@@ -32,6 +32,7 @@
  *   handlers = {
  *     "storage" = "Drupal\embargo\EmbargoStorage",
  *     "view_builder" = "Drupal\Core\Entity\EntityViewBuilder",
+ *     "views_data" = "Drupal\embargo\EmbargoViewsData",
  *     "list_builder" = "Drupal\embargo\EmbargoListBuilder",
  *     "form" = {
  *       "add" = "Drupal\embargo\Form\EmbargoForm",
diff --git a/src/Entity/IpRange.php b/src/Entity/IpRange.php
index 1590688..3283ac6 100644
--- a/src/Entity/IpRange.php
+++ b/src/Entity/IpRange.php
@@ -29,6 +29,7 @@
  *   handlers = {
  *     "storage" = "Drupal\embargo\IpRangeStorage",
  *     "view_builder" = "Drupal\Core\Entity\EntityViewBuilder",
+ *     "views_data" = "Drupal\embargo\EmbargoIpRangeViewsData",
  *     "list_builder" = "Drupal\embargo\EmbargoListBuilder",
  *     "form" = {
  *       "add" = "Drupal\embargo\Form\IpRangeForm",
diff --git a/src/Plugin/Block/EmbargoNotificationBlock.php b/src/Plugin/Block/EmbargoNotificationBlock.php
index 7ad8d4d..10e5eb1 100644
--- a/src/Plugin/Block/EmbargoNotificationBlock.php
+++ b/src/Plugin/Block/EmbargoNotificationBlock.php
@@ -5,16 +5,15 @@
 use Drupal\Component\Utility\Html;
 use Drupal\Core\Block\BlockBase;
 use Drupal\Core\Cache\Cache;
-use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\Core\Render\RendererInterface;
 use Drupal\Core\Routing\ResettableStackedRouteMatchInterface;
-use Drupal\Core\Session\AccountProxyInterface;
+use Drupal\Core\Session\AccountInterface;
 use Drupal\embargo\EmbargoInterface;
 use Drupal\node\NodeInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
-use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\HttpFoundation\Request;
 
 /**
  * Provides a "Embargo Notifications" block.
@@ -30,116 +29,81 @@ class EmbargoNotificationBlock extends BlockBase implements ContainerFactoryPlug
   /**
    * The admin email address.
    *
-   * @var string
+   * @var string|null
    */
-  protected $adminMail;
+  protected ?string $adminMail;
 
   /**
    * The notification message.
    *
    * @var string
    */
-  protected $notificationMessage;
+  protected string $notificationMessage;
 
   /**
    * A route matching interface.
    *
    * @var \Drupal\Core\Routing\ResettableStackedRouteMatchInterface
    */
-  protected $routeMatch;
+  protected ResettableStackedRouteMatchInterface $routeMatch;
 
   /**
    * The request object.
    *
    * @var \Symfony\Component\HttpFoundation\Request
    */
-  protected $request;
-
-  /**
-   * Embargo entity storage.
-   *
-   * @var \Drupal\embargo\EmbargoStorageInterface
-   */
-  protected $storage;
+  protected Request $request;
 
   /**
    * The current user.
    *
-   * @var \Drupal\Core\Session\AccountProxyInterface
+   * @var \Drupal\Core\Session\AccountInterface
    */
-  protected $user;
+  protected AccountInterface $user;
 
   /**
    * The object renderer.
    *
    * @var \Drupal\Core\Render\RendererInterface
    */
-  protected $renderer;
+  protected RendererInterface $renderer;
 
   /**
-   * Construct embargo notification block.
-   *
-   * @param array $configuration
-   *   Block configuration.
-   * @param string $plugin_id
-   *   The plugin ID.
-   * @param mixed $plugin_definition
-   *   The plugin definition.
-   * @param \Drupal\Core\Routing\ResettableStackedRouteMatchInterface $route_match
-   *   A route matching interface.
-   * @param \Symfony\Component\HttpFoundation\RequestStack $request_stack
-   *   The request being made to check access against.
-   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
-   *   A configuration factory interface.
-   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
-   *   An entity type manager.
-   * @param \Drupal\Core\Session\AccountProxyInterface $user
-   *   The current user.
-   * @param \Drupal\Core\Render\RendererInterface $renderer
-   *   The object renderer.
+   * Drupal's entity type manager service.
    *
-   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
-   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
    */
-  public function __construct(array $configuration, $plugin_id, $plugin_definition, ResettableStackedRouteMatchInterface $route_match, RequestStack $request_stack, ConfigFactoryInterface $config_factory, EntityTypeManagerInterface $entity_type_manager, AccountProxyInterface $user, RendererInterface $renderer) {
-    parent::__construct($configuration, $plugin_id, $plugin_definition);
-    $settings = $config_factory->get('embargo.settings');
-    $this->adminMail = $settings->get('contact_email');
-    $this->notificationMessage = $settings->get('notification_message');
-    $this->storage = $entity_type_manager->getStorage('embargo');
-    $this->routeMatch = $route_match;
-    $this->request = $request_stack->getCurrentRequest();
-    $this->user = $user;
-    $this->renderer = $renderer;
-  }
+  protected EntityTypeManagerInterface $entityTypeManager;
 
   /**
    * {@inheritdoc}
    */
-  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
-    return new static(
-      $configuration,
-      $plugin_id,
-      $plugin_definition,
-      $container->get('current_route_match'),
-      $container->get('request_stack'),
-      $container->get('config.factory'),
-      $container->get('entity_type.manager'),
-      $container->get('current_user'),
-      $container->get('renderer'),
-    );
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) : self {
+    $instance = new static($configuration, $plugin_id, $plugin_definition);
+
+    $settings = $container->get('config.factory')->get('embargo.settings');
+    $instance->adminMail = $settings->get('contact_email');
+    $instance->notificationMessage = $settings->get('notification_message');
+    $instance->entityTypeManager = $container->get('entity_type.manager');
+    $instance->routeMatch = $container->get('current_route_match');
+    $instance->request = $container->get('request_stack')->getCurrentRequest();
+    $instance->user = $container->get('current_user');
+    $instance->renderer = $container->get('renderer');
+
+    return $instance;
   }
 
   /**
    * {@inheritdoc}
    */
-  public function build() {
-    $node = $this->routeMatch->getParameter('node');
-    if (!($node instanceof NodeInterface)) {
+  public function build() : array {
+    if (!($node = $this->getNode())) {
       return [];
     }
     // Displays even if the embargo is exempt in the current context.
-    $applicable_embargoes = $this->storage->getApplicableEmbargoes($node);
+    /** @var \Drupal\embargo\EmbargoStorageInterface $storage */
+    $storage = $this->entityTypeManager->getStorage('embargo');
+    $applicable_embargoes = $storage->getApplicableEmbargoes($node);
     if (empty($applicable_embargoes)) {
       return [];
     }
@@ -151,7 +115,9 @@ public function build() {
       $expired = $embargo->expiresBefore($now);
       $exempt_user = $embargo->isUserExempt($this->user);
       $exempt_ip = $embargo->ipIsExempt($ip);
+
       $embargoes[$id] = [
+        'actual' => $embargo,
         'indefinite' => $embargo->getExpirationType() === EmbargoInterface::EXPIRATION_TYPE_INDEFINITE,
         'expired' => $expired,
         'exempt_user' => $exempt_user,
@@ -169,6 +135,7 @@ public function build() {
         'additional_emails' => $embargo->additional_emails->view('default'),
       ];
     }
+
     $build = [
       '#theme' => 'embargo_notification',
       '#message' => $this->t($this->notificationMessage, ['@contact' => $this->adminMail]), // phpcs:ignore
@@ -184,25 +151,54 @@ public function build() {
   /**
    * {@inheritdoc}
    */
-  public function getCacheTags() {
+  public function getCacheTags() : array {
+    $tags = parent::getCacheTags();
+
     // When the given node changes (route), the block should rebuild.
-    if ($node = $this->routeMatch->getParameter('node')) {
-      return Cache::mergeTags(
-        parent::getCacheTags(),
+    if ($node = $this->getNode()) {
+      $tags = Cache::mergeTags(
+        $tags,
         $node->getCacheTags(),
       );
     }
 
-    // Return default tags, if not on a node page.
-    return parent::getCacheTags();
+    return $tags;
   }
 
   /**
    * {@inheritdoc}
    */
-  public function getCacheContexts() {
-    // Ensure that with every new node/route, this block will be rebuilt.
-    return Cache::mergeContexts(parent::getCacheContexts(), ['route']);
+  public function getCacheContexts() : array {
+    $contexts = Cache::mergeContexts(
+      parent::getCacheContexts(),
+      // Ensure that with every new node/route, this block will be rebuilt.
+      [
+        'route',
+        'url',
+      ],
+    );
+
+    if ($node = $this->getNode()) {
+      $contexts = Cache::mergeContexts(
+        $contexts,
+        $node->getCacheContexts(),
+      );
+    }
+
+    return $contexts;
+  }
+
+  /**
+   * Helper; get the active node.
+   *
+   * @return \Drupal\node\NodeInterface|null
+   *   Get the active node.
+   */
+  protected function getNode() : ?NodeInterface {
+    $node_candidate = $this->routeMatch->getParameter('node');
+    return $node_candidate instanceof NodeInterface ?
+      $node_candidate :
+      NULL;
   }
 
 }
diff --git a/templates/embargo-notification.html.twig b/templates/embargo-notification.html.twig
index d1c7bb8..633852a 100644
--- a/templates/embargo-notification.html.twig
+++ b/templates/embargo-notification.html.twig
@@ -37,7 +37,7 @@
                     restricted <strong>indefinitely</strong>.
                   {% endtrans %}
                 {% else %}
-                  {% set expiry_date = embargo.expiration_date.getPhpDateTime|date('Y-m-d') %}
+                  {% set expiry_date = embargo.actual.expiration_date.date.getPhpDateTime|date('Y-m-d') %}
                   {% trans %}
                     Access to all associated files of this resource is
                     restricted until
@@ -51,7 +51,7 @@
                     restricted <strong>indefinitely</strong>.
                   {% endtrans %}
                 {% else %}
-                  {% set expiry_date = embargo.expiration_date.getPhpDateTime|date('Y-m-d') %}
+                  {% set expiry_date = embargo.actual.expiration_date.date.getPhpDateTime|date('Y-m-d') %}
                   {% trans %}
                     Access to this resource and all associated files is
                     restricted until