diff --git a/library/Exceptions/SubdivisionCode/SdSubdivisionCodeException.php b/library/Exceptions/SubdivisionCode/SdSubdivisionCodeException.php
new file mode 100644
index 00000000..578a4b4e
--- /dev/null
+++ b/library/Exceptions/SubdivisionCode/SdSubdivisionCodeException.php
@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of Respect/Validation.
+ *
+ * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ *
+ * For the full copyright and license information, please view the "LICENSE.md"
+ * file that was distributed with this source code.
+ */
+
+namespace Respect\Validation\Exceptions\SubdivisionCode;
+
+use Respect\Validation\Exceptions\SubdivisionCodeException;
+
+/**
+ * Exception class for Sudan subdivision code.
+ *
+ * ISO 3166-1 alpha-2: SD
+ */
+class SdSubdivisionCodeException extends SubdivisionCodeException
+{
+    public static $defaultTemplates = array(
+        self::MODE_DEFAULT => array(
+            self::STANDARD => '{{name}} must be a subdivision code of Sudan',
+        ),
+        self::MODE_NEGATIVE => array(
+            self::STANDARD => '{{name}} must not be a subdivision code of Sudan',
+        ),
+    );
+}
diff --git a/library/Rules/SubdivisionCode/SdSubdivisionCode.php b/library/Rules/SubdivisionCode/SdSubdivisionCode.php
new file mode 100644
index 00000000..eff26c73
--- /dev/null
+++ b/library/Rules/SubdivisionCode/SdSubdivisionCode.php
@@ -0,0 +1,46 @@
+<?php
+
+/*
+ * This file is part of Respect/Validation.
+ *
+ * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ *
+ * For the full copyright and license information, please view the "LICENSE.md"
+ * file that was distributed with this source code.
+ */
+
+namespace Respect\Validation\Rules\SubdivisionCode;
+
+use Respect\Validation\Rules\AbstractSearcher;
+
+/**
+ * Validator for Sudan subdivision code.
+ *
+ * ISO 3166-1 alpha-2: SD
+ *
+ * @link http://www.geonames.org/SD/administrative-division-sudan.html
+ */
+class SdSubdivisionCode extends AbstractSearcher
+{
+    public $haystack = array(
+        'DC', // Wasaţ Dārfūr
+        'DE', // Sharq Dārfūr
+        'DN', // Shamāl Dārfūr
+        'DS', // Janūb Dārfūr
+        'DW', // Gharb Dārfūr
+        'GD', // Al Qaḑārif
+        'GZ', // Al Jazīrah
+        'KA', // Kassalā
+        'KH', // Al Kharţūm
+        'KN', // Shamāl Kurdufān
+        'KS', // Janūb Kurdufān
+        'NB', // An Nīl al Azraq
+        'NO', // Ash Shamālīyah
+        'NR', // An Nīl
+        'NW', // An Nīl al Abyaḑ
+        'RS', // Al Baḩr al Aḩmar
+        'SI', // Sinnār
+    );
+
+    public $compareIdentical = true;
+}