diff --git a/plugins/format/address-optional.inc b/plugins/format/address-optional.inc
new file mode 100644
index 0000000..4cde489
--- /dev/null
+++ b/plugins/format/address-optional.inc
@@ -0,0 +1,27 @@
+<?php
+
+/**
+ * @file
+ * Make all address fields optional.
+ * Allows users to save incomplete addresses, bypassing validation.
+ */
+
+$plugin = array(
+  'title' => t('Make all address fields optional (Not recommended)'),
+  'format callback' => 'addressfield_format_address_optional',
+  'type' => 'address',
+  'weight' => -11,
+);
+
+/**
+ * Format callback.
+ *
+ * @see CALLBACK_addressfield_format_callback()
+ */
+function addressfield_format_address_optional(&$format, $address, $context = array()) {
+  $format['street_block']['thoroughfare']['#required'] = FALSE;
+  $format['locality_block']['postal_code']['#required'] = FALSE;
+  $format['locality_block']['dependent_locality']['#required'] = FALSE;
+  $format['locality_block']['locality']['#required'] = FALSE;
+  $format['locality_block']['administrative_area']['#required'] = FALSE;
+}