diff --git a/_class/class_lease.php b/_class/class_lease.php
index 8773a1c..2b82b63 100644
--- a/_class/class_lease.php
+++ b/_class/class_lease.php
@@ -7,6 +7,7 @@ class lease {
     private $l_name;
     private $l_sum;
     private $l_deleted;
+    private $l_non_zero;
     private $l_expire_type;
     private $l_expire_date;
     private $l_expire_deleted;
@@ -52,6 +53,27 @@ class lease {
         return $this;
     }
 
+   /** 
+    * @return mixed
+    */
+   public function get_l_non_zero()
+   {
+       return $this->l_non_zero;
+   }
+
+   /**
+    * @param mixed $l_non_zero
+    *
+    * @return self
+    */
+   public function set_l_non_zero($l_non_zero)
+   {
+       $this->l_non_zero = $l_non_zero;
+
+       return $this;
+   }
+
+
     /**
      * @return mixed
      */
@@ -162,11 +184,19 @@ class lease {
             $expDate = 'null';
         }
 
+        if (isset($_values['l_non_zero'])) {
+            $nonZero = $_values['l_non_zero'];
+        }
+        else {
+            $nonZero = 0;
+        }
+
         $l_id = $sql->insert_into('lease', array(
             'l_name' => $_values['l_name'],
             'l_sum' => $_values['l_sum'],
             'l_expire_type' => $_values['l_expire_type'],
             'l_expire_date' => $expDate,
+            'l_non_zero' => $nonZero
         ));
 
         if (isset($_values['l_training_types']) && is_array($_values['l_training_types'])) {
@@ -191,11 +221,19 @@ class lease {
             $expDate = 'null';
         }
 
+        if (isset($_values['l_non_zero'])) {
+            $nonZero = $_values['l_non_zero'];
+        }
+        else {
+            $nonZero = 0;
+        }
+
         $sql->update_table('lease', array(
             'l_name' => $_values['l_name'],
             'l_sum' => $_values['l_sum'],
             'l_expire_type' => $_values['l_expire_type'],
             'l_expire_date' => $expDate,
+            'l_non_zero' => $nonZero
         ), array(
             'l_id' => $_l_id,
         ));
diff --git a/_class/class_money_deposit.php b/_class/class_money_deposit.php
index c4ab908..ab8e5bc 100644
--- a/_class/class_money_deposit.php
+++ b/_class/class_money_deposit.php
@@ -14,6 +14,7 @@ class money_deposit {
     private $mod_sets_expire_date;
     private $mod_expire_date;
     private $mod_lease_l_id; //OBJECT
+    private $mod_non_zero;
 
     public function set_mod_id($_id) {
         $this->mod_id = $_id;
@@ -51,6 +52,10 @@ class money_deposit {
         $this->mod_lease_l_id = $_lease_l_id;
     }
 
+    public function set_mod_non_zero($_non_zero) {
+        $this->mod_non_zero = $_non_zero;
+    }
+
     public function get_mod_id() {
         return $this->mod_id;
     }
@@ -87,6 +92,10 @@ class money_deposit {
         return $this->mod_lease_l_id;
     }
 
+    public function get_mod_non_zero() {
+        return $this->mod_non_zero;
+    }
+
     public function set_mod_data_by_id($_id) {
         global $sql;
         $mod_query = "SELECT * FROM money_deposit WHERE mod_id = " . $_id . ";";
@@ -142,6 +151,7 @@ class money_deposit {
 
             //lekérjük, hogy milyen a lejárati típusa a bérletnek, és az alapján beállítjuk a lejárati dátumot az usernek
 
+            $nonZero = false;
             if ('null' != $_lease) {
                 $lease = new lease();
                 $lease->set_l_data_by_id($_lease);
@@ -155,6 +165,7 @@ class money_deposit {
                     ));
                 }
 
+                $nonZero = $lease->get_l_non_zero();
                 /*if ($lease->get_l_expire_type() == 1) {
                     //naptári hónap vége
                     $sql->update_table('user_kid', array(
@@ -191,6 +202,7 @@ class money_deposit {
             'mod_sets_expire_date' => $_sets_date,
             'mod_lease_l_id' => $_lease,
             'mod_expire_date' => $_mod_expire_date,
+            'mod_non_zero' => $nonZero,
         ));
     }
 
diff --git a/_class/class_user_kid.php b/_class/class_user_kid.php
index 4b2005b..622caf4 100644
--- a/_class/class_user_kid.php
+++ b/_class/class_user_kid.php
@@ -604,6 +604,8 @@ class user_kid extends user_parent {
                 $balance = $this->get_uk_balance_transfer();
             }
         }
+
+        $nonZero = false;
         foreach ($_de_obj_array as $i => $_de) {
             //minden lépésben az balance-t be kell állítani az előző lépésben updatelt balance-ra
             if (isset($_de_obj_array[$i-1])) {
@@ -627,16 +629,25 @@ class user_kid extends user_parent {
                 $trainingPrice = $training->get_tr_price();
                 $_de->set_de_transaction(-$trainingPrice); //beállítjuk, mennyivel csökken az egyenleg
                 if (0 == $i) {
-                    $_de->set_de_balance($balance+$_de->get_de_transaction()); //beállítjuk az új egyenleget
+                    $newBalance = $balance+$_de->get_de_transaction();
+                    if (!$nonZero) {
+                        $_de->set_de_balance($newBalance); //beállítjuk az új egyenleget
+                        //$newBalance = 0;
+                    }
                 }
                 else {
-                    $_de->set_de_balance($_de->get_de_balance()+$_de->get_de_transaction()); //beállítjuk az új egyenleget
+                    $newBalance = $_de->get_de_balance()+$_de->get_de_transaction();
+                    if (!$nonZero) {
+                        $_de->set_de_balance($newBalance); //beállítjuk az új egyenleget
+                        //$newBalance = 0;
+                    }
                 }
                 //echo $_de->get_de_date() . " minusz 1200<br><br>";
 
             }
             elseif ($_de->get_de_type() == 'money_deposit') {
                 $actualExpireDate = $_de->get_de_money_deposit()->get_mod_expire_date();
+                $nonZero = $_de->get_de_money_deposit()->get_mod_non_zero();
                 $_de->set_de_transaction($_de->get_de_money_deposit()->get_mod_money_income()->get_mi_sum());
 
                 //ha ez a befizetés az utolsó és lejárt, akkor ne adjuk hozzá a balancehoz
diff --git a/_include/include_diary.php b/_include/include_diary.php
index e6351ff..13f9056 100644
--- a/_include/include_diary.php
+++ b/_include/include_diary.php
@@ -38,8 +38,6 @@
     $actions = array();
     $de_array = array();
     foreach ($action_assoc_array as $action) {
-
-
         if ($action['object_type'] == 'training') {
             $new_training = new training();
             $new_training->set_training_data_by_id($action['object_id']);
@@ -54,7 +52,6 @@
         }
 
         $de_array[] = $new_diary_entry;
-
     }
 
     //itt csak hivatkozással adjuk át a tömböt, a calculate_balance kiszámolja, belerakja és visszadja
diff --git a/queries/20200907-lease-extra-field.sql b/queries/20200907-lease-extra-field.sql
new file mode 100644
index 0000000..40fbfe7
--- /dev/null
+++ b/queries/20200907-lease-extra-field.sql
@@ -0,0 +1,5 @@
+ALTER TABLE `lease` 
+ADD COLUMN `l_non_zero` TINYINT(1) NOT NULL DEFAULT 0 AFTER `l_deleted`;
+
+ALTER TABLE `money_deposit` 
+ADD COLUMN `mod_non_zero` TINYINT(1) NOT NULL DEFAULT 0 AFTER `mod_expire_date`;
diff --git a/template/templates/lease_create.tpl b/template/templates/lease_create.tpl
index f951ddd..fa0236d 100644
--- a/template/templates/lease_create.tpl
+++ b/template/templates/lease_create.tpl
@@ -32,6 +32,13 @@
             </div>
         </div>
 
+        <div>
+            <legend for="non_zero">Korlátlan bérlet: </legend>
+            <div>
+                <input id="non_zero" type="checkbox" name="l_non_zero" value="1" style="margin-top: 7px;">
+            </div>
+        </div>
+
         <div>
             <legend for="l_training_types">Edzés típusok: </legend>
             <table>
@@ -41,7 +48,7 @@
                         <td><label class="choice" for="trt_{$trt_array.trt_id}">{$trt_array.trt_name}</label></td>
                     </tr>
                 {/foreach}
-            <table>
+            </table>
         </div>
 
         <div style="margin-top: 15px;">
diff --git a/template/templates/lease_data_edit.tpl b/template/templates/lease_data_edit.tpl
index 9fec678..ed16403 100644
--- a/template/templates/lease_data_edit.tpl
+++ b/template/templates/lease_data_edit.tpl
@@ -37,6 +37,13 @@
             </div>
         </div>
 
+        <div>
+            <legend for="non_zero">Korlátlan bérlet: </legend>
+            <div>
+                <input id="non_zero" type="checkbox" name="l_non_zero" value="1" style="margin-top: 7px;"{if $lease->get_l_non_zero() == 1} checked{/if}>
+            </div>
+        </div>
+
         <div>
             <legend for="l_training_types">Edzés típusok: </legend>
             <table>
@@ -46,7 +53,7 @@
                         <td><label class="choice" for="trt_{$trt_array.trt_id}">{$trt_array.trt_name}</label></td>
                     </tr>
                 {/foreach}
-            <table>
+            </table>
         </div>
 
         <div style="margin-top: 15px;">