diff --git a/lib/CancellationRequest.php b/lib/CancellationRequest.php
new file mode 100644
index 0000000..9d6dc69
--- /dev/null
+++ b/lib/CancellationRequest.php
@@ -0,0 +1,44 @@
+<?php
+/**
+ *
+ * @see https://help.shopify.com/api/reference/fulfillmentservice Shopify API Reference for FulfillmentService
+ */
+
+namespace PHPShopify;
+
+/**
+ * --------------------------------------------------------------------------
+ * CancellationRequest -> Child Resources
+ * --------------------------------------------------------------------------
+ *
+ * --------------------------------------------------------------------------
+ * CancellationRequest -> Custom actions
+ * --------------------------------------------------------------------------
+ * @method array accept()     Accept a fulfilment order
+ * @method array reject()     Rejects a fulfillment order
+ */
+class CancellationRequest extends ShopifyResource
+{
+    /**
+     * @inheritDoc
+     */
+    protected $resourceKey = 'cancellation_request';
+
+    /**
+     * @inheritDoc
+     */
+    public $countEnabled = false;
+
+    /**
+     * @inheritDoc
+     */
+    protected $customPostActions = array(
+        'accept',
+        'reject'
+    );
+
+    protected function pluralizeKey()
+    {
+        return $this->resourceKey;
+    }
+}