diff --git a/Models/Supplier.php b/Models/Supplier.php
index 741061a..4666498 100644
--- a/Models/Supplier.php
+++ b/Models/Supplier.php
@@ -27,15 +27,21 @@ use Modules\Profile\Models\Profile;
  */
 class Supplier
 {
-    private $id = 0;
+    /**
+     * ID.
+     *
+     * @var   int
+     * @since 1.0.0
+     */
+    protected int $id = 0;
 
     private $number = '';
 
     private $numberReverse = '';
 
-    private $status = 0;
+    private int $status = 0;
 
-    private $type = 0;
+    private int $type = 0;
 
     private $taxId = 0;
 
@@ -51,12 +57,24 @@ class Supplier
 
     private $address = [];
 
+    /**
+     * Constructor.
+     *
+     * @since 1.0.0
+     */
     public function __construct()
     {
         $this->createdAt = new \DateTime('now');
         $this->profile   = new Profile();
     }
 
+    /**
+     * Get id.
+     *
+     * @return int Model id
+     *
+     * @since 1.0.0
+     */
     public function getId() : int
     {
         return $this->id;
@@ -126,6 +144,13 @@ class Supplier
         $this->info = $info;
     }
 
+    /**
+     * Get created at date time
+     *
+     * @return \DateTime
+     *
+     * @since 1.0.0
+     */
     public function getCreatedAt() : \DateTime
     {
         return $this->createdAt;
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index 8f2b472..4102031 100644
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -1,4 +1,4 @@
-<?php declare(strict_types=1);
+<?php
 /**
  * Orange Management
  *
@@ -10,6 +10,8 @@
  * @version   1.0.0
  * @link      https://orange-management.org
  */
+declare(strict_types=1);
+
 return ['Navigation' => [
     'Create'    => 'Create',
     'List'      => 'List',
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index 5803e7d..9e0aa2c 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -1,4 +1,4 @@
-<?php declare(strict_types=1);
+<?php
 /**
  * Orange Management
  *
@@ -10,6 +10,8 @@
  * @version   1.0.0
  * @link      https://orange-management.org
  */
+declare(strict_types=1);
+
 return ['SupplierManagement' => [
     'Accounting'   => 'Accounting',
     'Address'      => 'Address',
diff --git a/Theme/Backend/supplier-create.tpl.php b/Theme/Backend/supplier-create.tpl.php
index f5d6de3..093fea5 100644
--- a/Theme/Backend/supplier-create.tpl.php
+++ b/Theme/Backend/supplier-create.tpl.php
@@ -1,4 +1,4 @@
-<?php declare(strict_types=1);
+<?php
 /**
  * Orange Management
  *
@@ -10,6 +10,8 @@
  * @version   1.0.0
  * @link      https://orange-management.org
  */
+declare(strict_types=1);
+
 /**
  * @var \phpOMS\Views\View $this
  */
diff --git a/Theme/Backend/supplier-list.tpl.php b/Theme/Backend/supplier-list.tpl.php
index 1cbf008..94ce64c 100644
--- a/Theme/Backend/supplier-list.tpl.php
+++ b/Theme/Backend/supplier-list.tpl.php
@@ -1,4 +1,4 @@
-<?php declare(strict_types=1);
+<?php
 /**
  * Orange Management
  *
@@ -10,6 +10,8 @@
  * @version   1.0.0
  * @link      https://orange-management.org
  */
+declare(strict_types=1);
+
 
 $footerView   = new \phpOMS\Views\PaginationView($this->app, $this->request, $this->response);
 $footerView->setTemplate('/Web/Templates/Lists/Footer/PaginationBig');
diff --git a/Theme/Backend/supplier-single.tpl.php b/Theme/Backend/supplier-single.tpl.php
index ea4d8cb..225c79a 100644
--- a/Theme/Backend/supplier-single.tpl.php
+++ b/Theme/Backend/supplier-single.tpl.php
@@ -1,4 +1,4 @@
-<?php declare(strict_types=1);
+<?php
 /**
  * Orange Management
  *
@@ -10,6 +10,8 @@
  * @version   1.0.0
  * @link      https://orange-management.org
  */
+declare(strict_types=1);
+
 /**
  * @var \phpOMS\Views\View $this
  */