diff --git a/composer.json b/composer.json
index 57d646e10..724d8e7d8 100644
--- a/composer.json
+++ b/composer.json
@@ -79,7 +79,8 @@
         "respect/validation": "2.3.1",
         "giggsey/libphonenumber-for-php": "^8.13",
         "drupal/site_alert": "^1.3",
-        "lcobucci/clock": "3.0.0"
+        "lcobucci/clock": "3.0.0",
+        "drupal/term_reference_tree": "^2.0"
     },
     "repositories": {
         "drupal": {
diff --git a/config/install/field.storage.node.field_content_category.yml b/config/install/field.storage.node.field_content_category.yml
new file mode 100644
index 000000000..2b7530800
--- /dev/null
+++ b/config/install/field.storage.node.field_content_category.yml
@@ -0,0 +1,23 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - field_permissions
+    - node
+    - taxonomy
+third_party_settings:
+  field_permissions:
+    permission_type: public
+id: node.field_content_category
+field_name: field_content_category
+entity_type: node
+type: entity_reference
+settings:
+  target_type: taxonomy_term
+module: core
+locked: false
+cardinality: -1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false
diff --git a/config/install/taxonomy.vocabulary.content_category.yml b/config/install/taxonomy.vocabulary.content_category.yml
new file mode 100644
index 000000000..50602faed
--- /dev/null
+++ b/config/install/taxonomy.vocabulary.content_category.yml
@@ -0,0 +1,7 @@
+langcode: en
+status: true
+dependencies: {  }
+name: 'Content category'
+vid: content_category
+description: 'Categories assigned to all content to assist with filtering in content collection and search'
+weight: 0
diff --git a/css/pseudo_required_field.css b/css/pseudo_required_field.css
new file mode 100644
index 000000000..2ea2bddac
--- /dev/null
+++ b/css/pseudo_required_field.css
@@ -0,0 +1,3 @@
+.pseudo-required-field {
+    color: #dc2323;
+}
diff --git a/includes/helpers.inc b/includes/helpers.inc
index 3ac380d97..6fce1f59b 100644
--- a/includes/helpers.inc
+++ b/includes/helpers.inc
@@ -9,6 +9,8 @@ use Drupal\Core\Config\FileStorage;
 use Drupal\Core\Serialization\Yaml;
 use Drupal\Core\Site\Settings;
 use Drupal\paragraphs\Entity\ParagraphsType;
+use Drupal\taxonomy\Entity\Term;
+use Drupal\taxonomy\Entity\Vocabulary;
 
 /**
  * Helper to read configuration from provided locations.
@@ -199,3 +201,188 @@ function _tide_extract_id_for_storage_usage($target, $config, $include) {
   }
   return $matches;
 }
+
+/**
+ * Adds taxonomy with nested terms up to a specified depth and order.
+ *
+ * @param array $terms
+ *   An associative array of terms where keys are term names and values are
+ *   either arrays of child term names or associative arrays with nested terms.
+ *   Example structure for $terms:
+ *   $terms = [
+ *     'Events' => [
+ *       'Events',
+ *     ],
+ *     'Policy and legislation' => [
+ *       'Legislation',
+ *       'Regulation' => [
+ *         'hello' => [
+ *           'world',
+ *           'new' => [
+ *             'era',
+ *           ],
+ *         ],
+ *       ],
+ *     ],
+ *   ];
+ *   This represents a hierarchy with 'Events' and 'Policy and legislation'
+ *   as top-level terms, and nested children underneath them.
+ * @param array $vocabulary_details
+ *   An associative array with vocabulary details. Example:
+ *   $vocabulary_details = [
+ *     'vid' => 'content_category',
+ *     'description' => 'Categories for content filtering and search',
+ *     'name' => 'Content category',
+ *   ];.
+ * @param int $max_depth
+ *   The maximum hierarchy depth to create, defaulting to 4. Deeper nested
+ *   terms beyond this depth will be ignored.
+ */
+function _tide_core_adding_default_taxonomy(array $terms, array $vocabulary_details, $max_depth = 4) {
+  $vocabulary_id = $vocabulary_details['vid'];
+  // Load or create the vocabulary.
+  $vocabulary = Vocabulary::load($vocabulary_id);
+  if (!$vocabulary) {
+    $vocabulary = Vocabulary::create($vocabulary_details);
+    $vocabulary->save();
+  }
+
+  // Function to recursively add terms to the vocabulary.
+  $add_terms_recursively = function ($parent_tid, array $terms, $weight, $depth) use (&$add_terms_recursively, $vocabulary_id, $max_depth) {
+    if ($depth > $max_depth) {
+      return;
+    }
+
+    foreach ($terms as $term_name => $child_terms) {
+      if (is_array($child_terms)) {
+        $parent_term = _create_or_load_term($vocabulary_id, $term_name, $parent_tid, $weight++);
+        $add_terms_recursively($parent_term->id(), $child_terms, 0, $depth + 1);
+      }
+      else {
+        _create_or_load_term($vocabulary_id, $child_terms, $parent_tid, $weight++);
+      }
+    }
+  };
+
+  $add_terms_recursively(0, $terms, 0, 1);
+}
+
+/**
+ * Create or retrieve a Term.
+ *
+ * This function checks if a taxonomy term already exists within a specified
+ * vocabulary. If the term exists, it is returned. If not, a new term is created
+ * with the given details and then returned.
+ *
+ * @param string $vocabulary_id
+ *   The machine name of the vocabulary.
+ * @param string $term_name
+ *   The name of the term to be created or retrieved.
+ * @param int $parent_tid
+ *   The term ID of the parent term. If set to 0, it has no parent.
+ * @param int $weight
+ *   The weight of the term, used for sorting purposes.
+ *
+ * @return \Drupal\taxonomy\Entity\Term
+ *   The taxonomy term object.
+ */
+function _create_or_load_term($vocabulary_id, $term_name, $parent_tid = 0, $weight = 0) {
+  // If a parent term is specified, search for a term with the same name
+  // and parent.
+  if ($parent_tid != 0) {
+    $terms = \Drupal::entityTypeManager()->getStorage('taxonomy_term')->loadByProperties([
+      'name' => $term_name,
+      'vid' => $vocabulary_id,
+      'parent' => $parent_tid,
+    ]);
+  }
+  // If no parent is specified, search for a term with the same name in
+  // the vocabulary.
+  else {
+    $terms = \Drupal::entityTypeManager()->getStorage('taxonomy_term')->loadByProperties([
+      'name' => $term_name,
+      'vid' => $vocabulary_id,
+    ]);
+  }
+  // If the term exists, return it.
+  $term = reset($terms);
+  if ($term) {
+    return $term;
+  }
+  // If the term does not exist, create a new one with the specified details.
+  $term = Term::create([
+    'vid' => $vocabulary_id,
+    'name' => $term_name,
+    'parent' => [$parent_tid],
+    'weight' => $weight,
+  ]);
+  // Save the newly created term.
+  $term->save();
+  // Return the new term.
+  return $term;
+}
+
+/**
+ * Returns predefined content_category terms for tide_core module.
+ */
+function _content_category_terms() {
+  return [
+    'Events' => [
+      'Event',
+    ],
+    'Grants' => [
+      'Grant',
+    ],
+    'Other' => [
+      'Other',
+    ],
+    'News and media' => [
+      'News article',
+      'Media release',
+    ],
+    'Policy and legislation' => [
+      'Legislation',
+      'Regulation',
+      'Policy',
+      'Ministerial order',
+      'Notice',
+      'Briefing',
+    ],
+    'Profiles' => [
+      'Individual profile',
+      'Organisation profile',
+    ],
+    'Programs and reports' => [
+      'Report',
+      'Program',
+      'Initiative',
+      'Campaign',
+      'Inquiry',
+      'Strategy',
+    ],
+    'Resources and guidance' => [
+      'Guide',
+      'Handbook',
+      'Manual',
+      'Fact sheet',
+      'Brochure',
+      'Map',
+      'Framework',
+      'Poster',
+      'Specification',
+      'Plan',
+    ],
+    'Tools and templates' => [
+      'Tool',
+      'Quote template',
+      'Template',
+      'Calculator',
+      'Contract template',
+      'Worksheet',
+      'Form',
+      'Letter',
+      'Checklist',
+      'Memo',
+    ],
+  ];
+}
diff --git a/includes/updates.inc b/includes/updates.inc
new file mode 100644
index 000000000..a33e0f0b1
--- /dev/null
+++ b/includes/updates.inc
@@ -0,0 +1,76 @@
+<?php
+
+/**
+ * @file
+ * This file supports other modules in their hook_update_N.
+ */
+
+use Drupal\Core\Entity\Entity\EntityFormDisplay;
+use Drupal\field\Entity\FieldConfig;
+use Drupal\taxonomy\Entity\Term;
+
+/**
+ * Set default values for the field_content_category field.
+ *
+ * @param string $bundle
+ *   The bundle of the entity.
+ * @param mixed $term_names
+ *   A single term name or an array of term names to set as default values.
+ */
+function _tide_core_field_content_category_default_value(string $bundle, $term_names) {
+  // Ensure $term_names is always an array.
+  if (!is_array($term_names)) {
+    $term_names = [$term_names];
+  }
+
+  $default_values = [];
+
+  foreach ($term_names as $term_name) {
+    $query = \Drupal::entityQuery('taxonomy_term')
+      ->condition('name', $term_name)
+      ->condition('vid', 'content_category')
+      ->condition('parent', 0, '<>')
+      ->accessCheck(TRUE);
+
+    $results = $query->execute();
+    if (!empty($results)) {
+      $tid = reset($results);
+      $uuid = Term::load($tid)->uuid();
+      if (!empty($uuid)) {
+        $default_values[] = ['target_uuid' => $uuid];
+      }
+    }
+  }
+
+  if (!empty($default_values)) {
+    /** @var \Drupal\field\Entity\FieldConfig $config */
+    $config = FieldConfig::loadByName('node', $bundle, 'field_content_category');
+    $config->set('default_value', $default_values)->save();
+  }
+}
+
+/**
+ * Set form display for field_content_category field.
+ */
+function _tide_core_content_category_form_display(string $bundle) {
+  $entity_form_display = EntityFormDisplay::load('node.' . $bundle . '.default');
+  $detail = $entity_form_display->getComponent('field_tags');
+  $weight = $detail['weight'];
+  $content = [
+    "type" => "term_reference_tree",
+    "weight" => $weight + 1,
+    "region" => "content",
+    "settings" => [
+      "start_minimized" => TRUE,
+      "leaves_only" => TRUE,
+      "select_parents" => FALSE,
+      "cascading_selection" => 0,
+      "max_depth" => 0,
+    ],
+    "third_party_settings" => [],
+  ];
+  $field_content_category_component = $entity_form_display->getComponent('field_content_category');
+  if ($field_content_category_component === NULL) {
+    $entity_form_display->setComponent('field_content_category', $content)->save();
+  }
+}
diff --git a/src/TideCoreOperation.php b/src/TideCoreOperation.php
index 499b07efd..9ca516149 100644
--- a/src/TideCoreOperation.php
+++ b/src/TideCoreOperation.php
@@ -233,4 +233,17 @@ public function chagneDiffSettings() {
     }
   }
 
+  /**
+   * Creates terms for content_category vocabulary.
+   */
+  public function addContentCategoryVocabulary() {
+    $vocabulary_details = [
+      'vid' => 'content_category',
+      'description' => 'Categories assigned to all content to assist with filtering in content collection and search',
+      'name' => 'Content category',
+    ];
+    \Drupal::moduleHandler()->loadInclude('tide_core', 'inc', 'includes/helpers');
+    _tide_core_adding_default_taxonomy(_content_category_terms(), $vocabulary_details);
+  }
+
 }
diff --git a/tide_core.info.yml b/tide_core.info.yml
index 548ab30cc..c9ad1292e 100644
--- a/tide_core.info.yml
+++ b/tide_core.info.yml
@@ -84,6 +84,7 @@ dependencies:
   - field_permissions:field_permissions
   - content_lock:content_lock
   - ckeditor_templates:ckeditor_templates
+  - term_reference_tree:term_reference_tree
 themes:
   - claro
 config_devel:
diff --git a/tide_core.install b/tide_core.install
index 69d7774ad..21221bf63 100644
--- a/tide_core.install
+++ b/tide_core.install
@@ -34,6 +34,9 @@ function tide_core_install() {
   // Creates terms for Topic vocabulary.
   $tideCoreOperation->createTopicTermsVocabulary();
 
+  // Creates terms for content_category vocabulary.
+  $tideCoreOperation->addContentCategoryVocabulary();
+
   // Update default Editorial workflow of Content Moderation.
   $tideCoreOperation->updateEditorialWorkflow();
 
@@ -144,9 +147,38 @@ function tide_core_update_10004() {
 }
 
 /**
- * Fixes dialog can no longer use custom data- attributes in CKEditor 5.
+ * Run _add_default_content_category_taxonomy().
  */
 function tide_core_update_10005() {
+  \Drupal::moduleHandler()->loadInclude('tide_core', 'inc', 'includes/helpers');
+  $config_location = [\Drupal::service('extension.list.module')->getPath('tide_core') . '/config/install'];
+  $config_read = _tide_read_config('field.storage.node.field_content_category', $config_location, TRUE);
+  $storage = \Drupal::entityTypeManager()->getStorage('field_storage_config');
+  if ($storage->load('node.field_content_category') === NULL) {
+    $config_entity = $storage->createFromStorageRecord($config_read);
+    $config_entity->save();
+  }
+  if (\Drupal::moduleHandler()->moduleExists('term_reference_tree') === FALSE) {
+    \Drupal::service('module_installer')->install(['term_reference_tree']);
+  }
+  $config_read = _tide_read_config('taxonomy.vocabulary.content_category', $config_location, TRUE);
+  $storage = \Drupal::entityTypeManager()->getStorage('taxonomy_vocabulary');
+  if ($storage->load('content_category') === NULL) {
+    $config_entity = $storage->createFromStorageRecord($config_read);
+    $config_entity->save();
+  }
+  $vocabulary_details = [
+    'vid' => 'content_category',
+    'description' => 'Categories assigned to all content to assist with filtering in content collection and search',
+    'name' => 'Content category',
+  ];
+  _tide_core_adding_default_taxonomy(_content_category_terms(), $vocabulary_details);
+}
+
+/**
+ * Fixes dialog can no longer use custom data- attributes in CKEditor 5.
+ */
+function tide_core_update_10006() {
   $config_factory = \Drupal::configFactory();
   $filter_ids = [
     'filter.format.admin_text',
diff --git a/tide_core.libraries.yml b/tide_core.libraries.yml
index 2c5be7e9e..5dba2bd1b 100644
--- a/tide_core.libraries.yml
+++ b/tide_core.libraries.yml
@@ -36,3 +36,9 @@ claro_layout:
   css:
     theme:
       css/claro_layout.css: {}
+
+pseudo_required_field:
+  version: 1.x
+  css:
+    theme:
+      css/pseudo_required_field.css: {}
diff --git a/tide_core.module b/tide_core.module
index 8eb14af6f..f0df7bb19 100644
--- a/tide_core.module
+++ b/tide_core.module
@@ -419,13 +419,34 @@ function tide_core_form_node_form_alter(&$form, FormStateInterface $form_state,
   $form['#attached']['library'][] = 'tide_core/node_iframe';
   $form['#attached']['library'][] = 'tide_core/sticky_node_form_sidebar';
   $form['#process'][] = '_tide_core_form_node_form_process';
-
-  // Add comment log message field.
+  $form['#attached']['library'][] = 'tide_core/pseudo_required_field';
   $node = $form_state->getFormObject()->getEntity();
+  // Modify field_content_category help text.
+  if ($node->hasField('field_content_category')) {
+    $newLabelDescription = [
+      '#type' => 'inline_template',
+      '#template' => '<span style="font-weight: bold;">{{ title }}</span>
+                      <span class="pseudo-required-field">{{ asterisk }}</span>
+                      <div style="font-size: 0.85em; color: #595959;">{{ description }}</div>',
+      '#context' => [
+        'title' => (isset($form['field_content_category']['widget']['#required'])) ? $form['field_content_category']['widget']['#title'] : '',
+        'description' => (isset($form['field_content_category']['widget']['#description'])) ? $form['field_content_category']['widget']['#description'] : '',
+        'asterisk' => (isset($form['field_content_category']['widget']['#required']) && $form['field_content_category']['widget']['#required'] == TRUE) ? '*' : '',
+      ],
+    ];
+
+    $form['field_content_category']['#prefix'] = \Drupal::service('renderer')->renderPlain($newLabelDescription);
+
+    if (isset($form['field_content_category']['widget']['#description'])) {
+      $form['field_content_category']['widget']['#description'] = '';
+    }
+    $form['field_content_category']['widget']['#title_display'] = 'invisible';
+  }
   // Apply to edit form only, tide_workflow_notification_form_node_form_alter.
   if ($node->isNew()) {
     return;
   }
+  // Add comment log message field.
   if (isset($form['revision_log']) && $form['revision_log']['#access']) {
     $form['moderation_state']['comment_log_message'] = _tide_core_revision_log_form_label_text() + [
       '#type' => 'textarea',