diff --git a/README.md b/README.md
index 6567d60..1d5b719 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,12 @@
+# WooCommerce NFe (NFe.io)
 
-# Woo NFe
+WooCommerce NFe é uma extensão do WooCommerce para emitir notas fiscais utilizando a API do NFe.io.
 
-Woo NFe é uma extensão do WooCommerce para emitir notas fiscais utilizando a API do NFe.io
+## Requisitos
+
+* PHP >= 5.5
+* WP >= 4.9
+* WooCommerce >= 3.3.5
 
 ## Instalação
 
@@ -9,3 +14,39 @@ Woo NFe é uma extensão do WooCommerce para emitir notas fiscais utilizando a A
 2. Pesquise por *WooCommerce NFe*.
 3. Clique em *Instalar Agora*.
 4. Ativar o plugin
+
+Ou você pode colocar este plugin no diretório wp-content/plugins e ativá-lo.
+
+## Changelog ##
+
+### 1.0
+* Initial release
+
+### 1.0.1
+* Fix issue #6
+
+### 1.0.2
+* Added trigger to issue invoices on specific status
+* Fixed when issue invoices federal tax number must be only numbers
+
+### 1.0.3
+* Added support to issue invoices without all address fields filled
+
+### 1.0.4
+* Fix support to issue invoices without all address fields filled
+* Fix trigger to issue invoices on specific status
+
+### 1.2.5
+* Added option to require an address when issuing an invoice.
+* Fixed a bug where zero orders could be issued.
+* Added notice in the order list when a order is zeroed.
+* Added php require header on the readme.txt
+* Fixed a bug that gave fatal error when on before PHP 5.5 versions.
+* Fix - load_textdomain first from WP_LANG_DIR before load_plugin_textdomain
+* Tweak - Tweak load_plugin_textdomain to be relative - this falls back to WP_LANG_DIR automatically. Can prevent "open_basedir restriction in effect".
+
+### 1.2.6
+* Fixing client-php folder conflict.
+
+### 1.2.7
+* Fixing how we verify the type of customer to output its information on the NFe receipt.
diff --git a/README.txt b/README.txt
index cff25d8..35f786f 100644
--- a/README.txt
+++ b/README.txt
@@ -3,9 +3,9 @@ Contributors: nfe, espellcaste
 Tags: woocommerce, shop, receipt, nfe, nota fiscal, nota, receita, sefaz, nfse, emitir nfse, emitir nfe
 Requires at least: 4.7
 Tested up to: 4.9.4
-Stable tag: 1.2.6
+Stable tag: 1.2.7
 Requires PHP: 5.5
-WC tested up to: 3.3.5
+WC tested up to: 3.4.3
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -22,22 +22,18 @@ WooCommerce NFe is a WooCommerce extension for issuing invoices using the NFe.io
 
 Thanks in advance for your help on any translation efforts!
 
-== Frequently Asked Questions ==
-
 == Installation ==
 
-1. Upload woo-nfe.zip to wp-content/plugins
-2. Click "Activate" in the WordPress plugins menu
+1. Go the *Plugins* menu and click *Add New*.
+2. Search for *WooCommerce NFe*.
+3. Click *Install Now*.
 
-== Changelog ==
-
-= 1.0.0 =
-* Initial commit
+or
 
-= 1.0.1 =
-* Fix issue #6
+1. Upload woo-nfe.zip to wp-content/plugins folder
+2. Click "Activate" in the WordPress plugins menu
 
-== Upgrade Notice ==
+== Changelog ==
 
 = 1.0.0 =
 * Initial release
@@ -67,3 +63,6 @@ Thanks in advance for your help on any translation efforts!
 
 = 1.2.6 =
 * Fixing client-php folder conflict.
+
+= 1.2.7 =
+* Fixing how we verify the type of customer to output its information on the NFe receipt.
diff --git a/composer.json b/composer.json
index c866f58..3d3de7c 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
 		},
 		{
 			"name"    : "Renato Alves",
-			"homepage": "http://ralv.es/"
+			"homepage": "https://ralv.es/"
 		}
 	],
 	"support": {
diff --git a/includes/admin/class-api.php b/includes/admin/class-api.php
index f6d46e8..0f3db56 100755
--- a/includes/admin/class-api.php
+++ b/includes/admin/class-api.php
@@ -65,7 +65,7 @@ public function issue_invoice( $order_ids = array() ) {
 				$this->logger( $log );
 				$order->add_order_note( $log );
 
-				// If value is 0, don't issue it.
+				// If value is 0.00, don't issue it.
 				if ( '0.00' === $order->get_total() ) {
 					$log = sprintf( __( 'Not possible to issue NFe without an order value! Order: #%d', 'woo-nfe' ), $order_id );
 					$this->logger( $log );
@@ -160,33 +160,33 @@ public function order_info( $order_id ) {
 			$order = nfe_wc_get_order( $order_id );
 
 			$address = [
-				'postalCode' => $this->check_customer_info( 'cep', $order_id ),
-				'street' => $this->remover_caracter( $this->check_customer_info( 'street', $order_id ) ),
-				'number' => $this->remover_caracter( $this->check_customer_info( 'address_number', $order_id ) ),
+				'postalCode'            => $this->check_customer_info( 'cep', $order_id ),
+				'street'                => $this->remover_caracter( $this->check_customer_info( 'street', $order_id ) ),
+				'number'                => $this->remover_caracter( $this->check_customer_info( 'address_number', $order_id ) ),
 				'additionalInformation' => $this->remover_caracter( get_post_meta( $order_id, '_billing_address_2', true ) ),
-				'district' => $this->remover_caracter( $this->check_customer_info( 'district', $order_id ) ),
-				'country' => $this->remover_caracter( $this->billing_country( $order_id ) ),
-				'state' => $this->remover_caracter( $this->check_customer_info( 'state', $order_id ) ),
-				'city' => [
-					'code' => $this->ibge_code( $order_id ),
-					'name' => $this->remover_caracter( $this->check_customer_info( 'city', $order_id ) ),
+				'district'              => $this->remover_caracter( $this->check_customer_info( 'district', $order_id ) ),
+				'country'               => $this->remover_caracter( $this->billing_country( $order_id ) ),
+				'state'                 => $this->remover_caracter( $this->check_customer_info( 'state', $order_id ) ),
+				'city'                  => [
+					'code'                  => $this->ibge_code( $order_id ),
+					'name'                  => $this->remover_caracter( $this->check_customer_info( 'city', $order_id ) ),
 				],
 			];
 
-			$borrower = array(
-				'name'             => $this->remover_caracter( $this->check_customer_info( 'name', $order_id ) ),
-				'email'            => get_post_meta( $order_id, '_billing_email', true ),
-				'federalTaxNumber' => $this->removepontotraco( $this->check_customer_info( 'number', $order_id ) ),
-				'address'          => $address,
-			);
+			$borrower = [
+				'name'                  => $this->check_customer_info( 'name', $order_id ),
+				'email'                 => get_post_meta( $order_id, '_billing_email', true ),
+				'federalTaxNumber'      => $this->removepontotraco( $this->check_customer_info( 'number', $order_id ) ),
+				'address'               => $address,
+			];
 
-			$data = array(
-				'cityServiceCode'    => $this->city_service_info( 'code', $order_id ),
-				'federalServiceCode' => $this->city_service_info( 'fed_code', $order_id ),
-				'description'        => $this->remover_caracter( $this->city_service_info( 'desc', $order_id ) ),
-				'servicesAmount'     => $order->get_total(),
-				'borrower'           => $borrower,
-			);
+			$data = [
+				'cityServiceCode'       => $this->city_service_info( 'code', $order_id ),
+				'federalServiceCode'    => $this->city_service_info( 'fed_code', $order_id ),
+				'description'           => $this->remover_caracter( $this->city_service_info( 'desc', $order_id ) ),
+				'servicesAmount'        => $order->get_total(),
+				'borrower'              => $borrower,
+			];
 
 			// Removes empty, false and null fields from the array.
 			return array_filter( $data );
@@ -222,7 +222,7 @@ protected function billing_country( $order_id ) {
 		 * Fetche the IBGE Code.
 		 *
 		 * @param  int $order_id Order ID.
-		 * @return string
+		 * @return string|null
 		 */
 		protected function ibge_code( $order_id ) {
 			$key       = $this->get_key();
@@ -317,31 +317,37 @@ protected function check_customer_info( $field = '', $order ) {
 				return;
 			}
 
-			// Customer Person Type.
-			(int) $type = get_post_meta( $order, '_billing_persontype', true );
+			// Person Type.
+			$type = get_post_meta( $order, '_billing_persontype', true );
 
 			switch ( $field ) {
-				case 'number': // Customer ID Number.
-					if ( 1 === $type || empty( $type ) ) {
-						$output = $this->cpf( get_post_meta( $order, '_billing_cpf', true ) );
-					} elseif ( 2 === $type || empty( $type ) || empty( $output ) ) {
-						$output = $this->cnpj( get_post_meta( $order, '_billing_cnpj', true ) );
+				case 'number':
+					if ( ! empty( $type ) ) {
+						if ( '1' === $type ) {
+							$output = $this->cpf( get_post_meta( $order, '_billing_cpf', true ) );
+						} else {
+							$output = $this->cnpj( get_post_meta( $order, '_billing_cnpj', true ) );
+						}
 					}
 					break;
 
-				case 'name': // Customer Name/Razão Social.
-					if ( 1 === $type || empty( $type ) ) {
-						$output = get_post_meta( $order, '_billing_first_name', true ) . ' ' . get_post_meta( $order, '_billing_last_name', true );
-					} elseif ( 2 === $type || empty( $type ) || empty( $output ) ) {
-						$output = get_post_meta( $order, '_billing_company', true );
+				case 'name':
+					if ( ! empty( $type ) ) {
+						if ( '1' === $type ) {
+							$output = get_post_meta( $order, '_billing_first_name', true ) . ' ' . get_post_meta( $order, '_billing_last_name', true );
+						} else {
+							$output = get_post_meta( $order, '_billing_company', true );
+						}
 					}
 					break;
 
-				case 'type': // Customer Type.
-					if ( 1 === $type || empty( $type ) ) {
-						$output = __( 'Customers', 'woo-nfe' );
-					} elseif ( 2 === $type ) {
-						$output = __( 'Company', 'woo-nfe' );
+				case 'type':
+					if ( ! empty( $type ) ) {
+						if ( '1' === $type ) {
+							$output = __( 'Customers', 'woo-nfe' );
+						} else {
+							$output = __( 'Company', 'woo-nfe' );
+						}
 					}
 					break;
 
@@ -701,7 +707,7 @@ protected function country_iso_codes() {
 				'VNM' => 'VN',     // Vietnam
 				'YEM' => 'YE',     // Yemen
 				'ZAF' => 'ZA',     // South Africa
-				'ZWE' => 'ZW',     // Zimbabwe
+				'ZWE' => 'ZW',     // Zimbabwe.
 			);
 		}
 
diff --git a/includes/admin/class-emails.php b/includes/admin/class-emails.php
index db96839..7da1cfb 100644
--- a/includes/admin/class-emails.php
+++ b/includes/admin/class-emails.php
@@ -1,38 +1,36 @@
 <?php
 
-// Exit if accessed directly
+// Exit if accessed directly.
 defined( 'ABSPATH' ) || exit;
 
-if ( ! class_exists('WC_NFe_Emails') ) :
+/**
+ * WooCommerce NFe Email Class
+ *
+ * @author   NFe.io
+ * @package  WooCommerce_NFe/Class/WC_NFe_Emails
+ * @version  1.0.1
+ */
+class WC_NFe_Emails {
 
 	/**
-	 * WooCommerce NFe Email Class
-	 *
-	 * @author   NFe.io
-	 * @package  WooCommerce_NFe/Class/WC_NFe_Emails
-	 * @version  1.0.1
+	 * Bootstraps the class and hooks required actions & filters.
 	 */
-	class WC_NFe_Emails {
-
-		/**
-		 * Bootstraps the class and hooks required actions & filters.
-		 */
-		public static function init() {
-			add_action( 'woocommerce_email_classes', __CLASS__ . '::add_emails', 10, 1 );
-		}
+	public static function init() {
+		add_action( 'woocommerce_email_classes', __CLASS__ . '::add_emails', 10, 1 );
+	}
 
-		/**
-		 * Add NFe's email classes.
-		 */
-		public static function add_emails( $email_classes ) {
-			require_once( 'emails/class-nfe-email-receipt-issued.php' 	);
+	/**
+	 * Add NFe's email classes.
+	 *
+	 * @param array $email_classes Email classes.
+	 */
+	public static function add_emails( $email_classes ) {
+		require_once( 'emails/class-nfe-email-receipt-issued.php' );
 
-			$email_classes['WC_NFe_Email_Receipt_Issued'] = new WC_NFe_Email_Receipt_Issued();
+		$email_classes['WC_NFe_Email_Receipt_Issued'] = new WC_NFe_Email_Receipt_Issued();
 
-			return $email_classes;
-		}
+		return $email_classes;
 	}
+}
 
-	WC_NFe_Emails::init();
-
-endif;
+WC_NFe_Emails::init();
diff --git a/includes/admin/emails/class-nfe-email-receipt-issued.php b/includes/admin/emails/class-nfe-email-receipt-issued.php
index f901327..2bec7b8 100644
--- a/includes/admin/emails/class-nfe-email-receipt-issued.php
+++ b/includes/admin/emails/class-nfe-email-receipt-issued.php
@@ -1,6 +1,6 @@
 <?php
 
-// Exit if accessed directly.
+// Exit if accessed directly..
 defined( 'ABSPATH' ) || exit;
 
 /**
@@ -35,10 +35,10 @@ public function __construct() {
 		$this->customer_email = true;
 
 		// Triggers.
-		add_action( 'woocommerce_order_status_pending_to_processing_notification',  array( $this, 'trigger' ) );
-		add_action( 'woocommerce_order_status_pending_to_completed_notification', 	array( $this, 'trigger' ) );
-		add_action( 'woocommerce_order_status_completed_notification', 				array( $this, 'trigger' ) );
-		add_action( 'woocommerce_renewal_order_payment_complete', 					array( $this, 'trigger') );
+		add_action( 'woocommerce_order_status_pending_to_processing_notification', array( $this, 'trigger' ) );
+		add_action( 'woocommerce_order_status_pending_to_completed_notification', array( $this, 'trigger' ) );
+		add_action( 'woocommerce_order_status_completed_notification', array( $this, 'trigger' ) );
+		add_action( 'woocommerce_renewal_order_payment_complete', array( $this, 'trigger') );
 
 		parent::__construct();
 	}
diff --git a/package.json b/package.json
index a951e42..5d7df72 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "nfe",
 	"title": "WooCommerce NFe",
-	"version": "1.2.4",
+	"version": "1.2.7",
 	"author": "NFe.io",
 	"homepage": "https://github.com/nfe/woo-nfe",
 	"description": "WooCommerce extension for issuing invoices using the NFe.io API",
diff --git a/templates/emails/nfe-receipt-issued.php b/templates/emails/nfe-receipt-issued.php
index 22eaf1d..5c34ee6 100644
--- a/templates/emails/nfe-receipt-issued.php
+++ b/templates/emails/nfe-receipt-issued.php
@@ -1,5 +1,4 @@
 <?php
-
 /**
  * The Template for displaying NFe issued
  *
@@ -11,7 +10,7 @@
  * @version     1.0.1
  */
 
-// Exit if accessed directly
+// Exit if accessed directly.
 defined( 'ABSPATH' ) || exit;
 
 /**
@@ -19,7 +18,7 @@
  */
 do_action( 'woocommerce_email_header', $email_heading, $email ); ?>
 
-<p><?php _e( 'NFe issued successfully. Here follows an email for your backing.', 'woo-nfe' ); ?></p>
+<p><?php esc_html_e( 'NFe issued successfully. Here follows an email for your backing.', 'woo-nfe' ); ?></p>
 
 <?php
 /**
diff --git a/templates/emails/plain/nfe-receipt-issued.php b/templates/emails/plain/nfe-receipt-issued.php
index f6d3f07..48c2efe 100644
--- a/templates/emails/plain/nfe-receipt-issued.php
+++ b/templates/emails/plain/nfe-receipt-issued.php
@@ -1,5 +1,4 @@
 <?php
-
 /**
  * The Template for displaying NFe issued (plain text)
  *
@@ -11,7 +10,7 @@
  * @version		1.0.0
  */
 
-// Exit if accessed directly
+// Exit if accessed directly.
 defined( 'ABSPATH' ) || exit;
 
 echo "= " . $email_heading . " =\n\n";
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 9c4ed8f..215462f 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,5 +1,4 @@
 <?php
-
 /**
  * PHPUnit bootstrap file
  *
diff --git a/tests/test-sample.php b/tests/test-sample.php
index 5f8c5fa..cc62b8f 100644
--- a/tests/test-sample.php
+++ b/tests/test-sample.php
@@ -1,5 +1,4 @@
 <?php
-
 /**
  * NFe Test Class
  *
@@ -9,23 +8,12 @@
  */
 class NFe_Test extends WP_UnitTestCase {
 
-	/**
-	 * NFe Download Test
-	 */
-	public function test_download() {
-		// Fetch an ID in the Orders page - /wp-admin/edit.php?post_type=shop_order
-		$order = nfe_wc_get_order( 102 );
-		$pdf   = NFe_Woo()->download_pdf_invoice( array( $order ) );
-
-		$this->assertNotNull($pdf);
-	}
-
 	/**
 	 * NFe Fields
 	 */
 	public function test_nfe_options_fields() {
 		$nfe_fields = nfe_get_field();
 
-		$this->assertNotNull($nfe_fields);
+		$this->assertNotNull( $nfe_fields );
 	}
 }
diff --git a/woo-nfe.php b/woo-nfe.php
index edd2775..fab0998 100644
--- a/woo-nfe.php
+++ b/woo-nfe.php
@@ -11,7 +11,7 @@
  * Plugin Name:       WooCommerce NFe
  * Plugin URI:        https://github.com/nfe/woo-nfe
  * Description:       WooCommerce extension for the NFe API
- * Version:           1.2.6
+ * Version:           1.2.7
  * Author:            NFe.io
  * Author URI:        https://nfe.io
  * Developer:         Project contributors
@@ -20,8 +20,8 @@
  * Domain Path:       /languages
  * Network:           false
  *
- * WC requires at least: 3.3.3
- * WC tested up to: 3.3.3
+ * WC requires at least: 3.3.5
+ * WC tested up to: 3.4.3
  *
  * Copyright: © 2018 NFe.io
  * License: GNU General Public License v3.0