CPF/CNPJ number validation for Brazil

diff --git a/app/code/local/TM/FireCheckout/Model/Taxvat/Validator.php b/app/code/local/TM/FireCheckout/Model/Taxvat/Validator.php
index 09edc7fb..c6d193b3 100644
--- a/app/code/local/TM/FireCheckout/Model/Taxvat/Validator.php
+++ b/app/code/local/TM/FireCheckout/Model/Taxvat/Validator.php
@@ -8,6 +8,7 @@ class TM_FireCheckout_Model_Taxvat_Validator
     protected $_patterns = array(
         'AT' => '/^U[0-9]{8}$/',
         'BE' => '/^0?[0-9]{*}$/',
+        'BR' => '/(^\d{3}\.\d{3}\.\d{3}\-\d{2}$)|(^\d{2}\.\d{3}\.\d{3}\/\d{4}\-\d{2}$)/',
         'CZ' => '/^[0-9]{8,10}$/',
         'DE' => '/^[0-9]{9}$/',
         'CY' => '/^[0-9]{8}[A-Z]$/',