diff --git a/src/Faker/Provider/kk_KZ/Company.php b/src/Faker/Provider/kk_KZ/Company.php
index 56b002a349..f8f8d159ea 100644
--- a/src/Faker/Provider/kk_KZ/Company.php
+++ b/src/Faker/Provider/kk_KZ/Company.php
@@ -52,7 +52,7 @@ public static function companyNameSuffix()
     /**
      * National Business Identification Numbers
      *
-     * @link   http://egov.kz/wps/portal/!utWCM/p/b1/04_Sj9Q1MjAwsDQ1s9CP0I_KSyzLTE8syczPS8wB8aPM4oO8PE2cnAwdDSxMw4wMHE08nZ2CA0KDXcwMgQoikRUYWIY4gxS4hwU4mRkbGBgTp98AB3A0IKQ_XD8KVQkWF4AV4LHCzyM_N1U_uKhUPzcqx83SU9cRANth_Rk!/dl4/d5/L0lHSkovd0RNQU5rQUVnQSEhLzRKVUUvZW4!/
+     * @link   http://egov.kz/wps/portal/Content?contentPath=%2Fegovcontent%2Fbus_business%2Ffor_businessmen%2Farticle%2Fbusiness_identification_number&lang=en
      * @param  \DateTime $registrationDate
      * @return string 12 digits, like 150140000019
      */
diff --git a/src/Faker/Provider/kk_KZ/Person.php b/src/Faker/Provider/kk_KZ/Person.php
index 3eca4a5c83..0009d91b59 100644
--- a/src/Faker/Provider/kk_KZ/Person.php
+++ b/src/Faker/Provider/kk_KZ/Person.php
@@ -136,7 +136,7 @@ class Person extends \Faker\Provider\Person
     /**
      * National Individual Identification Numbers
      *
-     * @link   http://egov.kz/wps/portal/!utWCM/p/b1/04_Sj9S1tDAwMzY1NjLTj9CPykssy0xPLMnMz0vMAfGjzOKDvDxNnJwMHQ0sTMOMDBxNPJ2dggNCg13MDIEKIpEVGFiGOIMUuIcFOJkZGxgYE6ffAAdwNCCkP1w_ClUJFheAFeCxws8jPzdVPzcqx83SU9cRADxWbyg!/dl4/d5/L0lDUmlTUSEhL3dHa0FKRnNBLzRKVXFDQSEhL2Vu/
+     * @link   http://egov.kz/wps/portal/Content?contentPath=%2Fegovcontent%2Fcitizen_migration%2Fpassport_id_card%2Farticle%2Fiin_info&lang=en
      * @param  \DateTime $birthDate
      * @return string 12 digits, like 780322300455
      */
diff --git a/test/Faker/Provider/kk_KZ/CompanyTest.php b/test/Faker/Provider/kk_KZ/CompanyTest.php
new file mode 100644
index 0000000000..779e73a61f
--- /dev/null
+++ b/test/Faker/Provider/kk_KZ/CompanyTest.php
@@ -0,0 +1,31 @@
+<?php
+namespace Faker\Test\Provider\kk_KZ;
+
+use Faker\Generator;
+use Faker\Provider\kk_KZ\Company;
+
+class CompanyTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setUp()
+    {
+        $this->faker = new Generator();
+
+        $this->faker->addProvider(new Company($this->faker));
+    }
+
+    public function testBusinessIdentificationNumberIsValid()
+    {
+        $registrationDate             = new \DateTime('now');
+        $businessIdentificationNumber = $this->faker->businessIdentificationNumber($registrationDate);
+        $registrationDateAsString     = $registrationDate->format('ym');
+
+        $this->assertRegExp(
+            "/^(" . $registrationDateAsString . ")([4-6]{1})([0-3]{1})(\\d{6})$/",
+            $businessIdentificationNumber
+        );
+    }
+}
diff --git a/test/Faker/Provider/kk_KZ/PersonTest.php b/test/Faker/Provider/kk_KZ/PersonTest.php
new file mode 100644
index 0000000000..48e65683e5
--- /dev/null
+++ b/test/Faker/Provider/kk_KZ/PersonTest.php
@@ -0,0 +1,31 @@
+<?php
+namespace Faker\Test\Provider\kk_KZ;
+
+use Faker\Generator;
+use Faker\Provider\kk_KZ\Person;
+
+class PersonTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setUp()
+    {
+        $this->faker = new Generator();
+
+        $this->faker->addProvider(new Person($this->faker));
+    }
+
+    public function testIndividualIdentificationNumberIsValid()
+    {
+        $birthDate                      = new \DateTime('now');
+        $individualIdentificationNumber = $this->faker->individualIdentificationNumber($birthDate);
+        $birthDateAsString              = $birthDate->format('ymd');
+
+        $this->assertRegExp(
+            "/^(" . $birthDateAsString . ")([1-6]{1})(\\d{5})$/",
+            $individualIdentificationNumber
+        );
+    }
+}