diff --git a/uc_stock/uc_stock.ca.inc b/uc_stock/uc_stock.ca.inc
index d1308ca..f024f10 100644
--- a/uc_stock/uc_stock.ca.inc
+++ b/uc_stock/uc_stock.ca.inc
@@ -29,6 +29,152 @@ function uc_stock_ca_predicate() {
       ),
     ),
   );
+  $predicates['uc_stock_increment_on_cancel'] = array(
+    '#title' => t('Increment stock on cancelling order'),
+    '#trigger' => 'uc_order_status_update',
+    '#conditions' => array(
+      '#operator' => 'AND',
+      '#conditions' => array(
+        array(
+          '#name' => 'uc_order_status_condition',
+          '#title' => t('If the order status is Cancelled.'),
+          '#argument_map' => array(
+            'order' => 'updated_order',
+          ),
+          '#settings' => array(
+            'order_status' => 'canceled',
+          ),
+        ),
+        array(
+          '#name' => 'uc_order_status_condition',
+          '#title' => t('If the order status wasn\'t Canceled.'),
+          '#argument_map' => array(
+            'order' => 'order',
+          ),
+          '#settings' => array(
+            'order_status' => 'canceled',
+            'negate' => TRUE,
+          ),
+        ),
+        array(
+          '#name' => 'uc_order_status_condition',
+          '#title' => t('If the order status wasn\'t In Checkout.'),
+          '#argument_map' => array(
+            'order' => 'order',
+          ),
+          '#settings' => array(
+            'order_status' => 'in_checkout',
+            'negate' => TRUE,
+          ),
+        ),
+      ),
+    ),
+    '#class' => 'uc_stock',
+    '#status' => 1,
+    '#actions' => array(
+      array(
+        '#name' => 'uc_stock_action_increment_stock',
+        '#title' => t('Increment stock of products in order'),
+        '#argument_map' => array(
+          'order' => 'order',
+        ),
+      ),
+    ),
+  );
+   $predicates['uc_stock_increment_on_delete'] = array(
+    '#title' => t('Increment stock on deleting an order'),
+    '#trigger' => 'uc_stock_order_deleted',
+    '#conditions' => array(
+      '#operator' => 'AND',
+      '#conditions' => array(
+        array(
+          '#name' => 'uc_order_status_condition',
+          '#title' => t('If the order status wasn\'t Canceled.'),
+          '#argument_map' => array(
+            'order' => 'order',
+          ),
+          '#settings' => array(
+            'order_status' => 'canceled',
+            'negate' => TRUE,
+          ),
+        ),
+        array(
+          '#name' => 'uc_order_status_condition',
+          '#title' => t('If the order status wasn\'t In Checkout.'),
+          '#argument_map' => array(
+            'order' => 'order',
+          ),
+          '#settings' => array(
+            'order_status' => 'in_checkout',
+            'negate' => TRUE,
+          ),
+        ),
+      ),
+    ),
+    '#class' => 'uc_stock',
+    '#status' => 1,
+    '#actions' => array(
+      array(
+        '#name' => 'uc_stock_action_increment_stock',
+        '#title' => t('Increment stock of products in order'),
+        '#argument_map' => array(
+          'order' => 'order',
+        ),
+      ),
+    ),
+  ); 
+   $predicates['uc_stock_decrement_on_uncancel'] = array(
+    '#title' => t('Decrement stock when order cancellation is being undone'),
+    '#trigger' => 'uc_order_status_update',
+    '#conditions' => array(
+      '#operator' => 'AND',
+      '#conditions' => array(
+        array(
+          '#name' => 'uc_order_status_condition',
+          '#title' => t('If the order status was Canceled.'),
+          '#argument_map' => array(
+            'order' => 'order',
+          ),
+          '#settings' => array(
+            'order_status' => 'canceled',
+          ),
+        ),
+        array(
+          '#name' => 'uc_order_status_condition',
+          '#title' => t('If the order status isn\'t Canceled.'),
+          '#argument_map' => array(
+            'order' => 'updated_order',
+          ),
+          '#settings' => array(
+            'order_status' => 'canceled',
+            'negate' => TRUE,
+          ),
+        ),
+        array(
+          '#name' => 'uc_order_status_condition',
+          '#title' => t('If the order status isn\'t In Checkout.'),
+          '#argument_map' => array(
+            'order' => 'updated_order',
+          ),
+          '#settings' => array(
+            'order_status' => 'in_checkout',
+            'negate' => TRUE,
+          ),
+        ),
+      ),
+    ),
+    '#class' => 'uc_stock',
+    '#status' => 1,
+    '#actions' => array(
+      array(
+        '#name' => 'uc_stock_action_decrement_stock',
+        '#title' => t('Decrement stock of products in order'),
+        '#argument_map' => array(
+          'order' => 'order',
+        ),
+      ),
+    ),
+  ); 
 
   return $predicates;
 }
@@ -45,10 +191,36 @@ function uc_stock_ca_action() {
     ),
     '#category' => t('Stock'),
   );
+  $actions['uc_stock_action_increment_stock'] = array(
+    '#title' => t('Increment stock of products on the order with tracking activated.'),
+    '#callback' => 'uc_stock_action_increment_stock',
+    '#arguments' => array(
+      'order' => array('#entity' => 'uc_order', '#title' => t('Order')),
+    ),
+    '#category' => t('Stock'),
+  );
 
   return $actions;
 }
 
+/**
+ * Implements hook_ca_trigger().
+ */
+function uc_stock_ca_trigger() {
+  $triggers['uc_stock_order_deleted'] = array(
+    '#title' => t('An order is being deleted'),
+    '#category' => t('Order'),
+    '#arguments' => array(
+      'order' => array(
+        '#entity' => 'uc_order',
+        '#title' => t('Order'),
+      ),
+    ),
+  );
+
+  return $triggers;
+}
+
 /******************************************************************************
  * Conditional Action Callbacks and Forms                                     *
  ******************************************************************************/
@@ -61,3 +233,25 @@ function uc_stock_action_decrement_stock($order, $settings) {
     array_walk($order->products, 'uc_stock_adjust_product_stock', $order);
   }
 }
+
+/******************************************************************************
+* Helper functions                                                            *
+******************************************************************************/
+ 
+/**
+* Increment a product's stock.
+*/
+function uc_stock_increment_product_stock($product, $key, $order) {
+  //inverse qty to inverse the decrement functionality of uc_stock_adjust_product_stock()
+  $product->qty = -$product->qty;
+  uc_stock_adjust_product_stock($product, $key, $order);
+}
+
+/**
+* Increase the stock of ordered products.
+*/
+function uc_stock_action_increment_stock($order, $settings) {
+  if (is_array($order->products)) {
+    array_walk($order->products, 'uc_stock_increment_product_stock', $order);
+  }
+}
diff --git a/uc_stock/uc_stock.module b/uc_stock/uc_stock.module
index acd0f8e..1ca309f 100644
--- a/uc_stock/uc_stock.module
+++ b/uc_stock/uc_stock.module
@@ -124,6 +124,15 @@ function uc_stock_mail($key, &$message, $params) {
  ******************************************************************************/
 
 /**
+ * Implements hook_order().
+ */
+function uc_stock_order($op, $order, $arg2) {
+  if ($op == 'delete') {
+    ca_pull_trigger('uc_stock_order_deleted', $order);
+  }
+} 
+
+/**
  * Implements hook_token_list().
  */
 function uc_stock_token_list($type = 'all') {