$_POST['action'] = 'enter_data';
     $error_level = 6;
     // Start date before employee_role start date
     break;
 } else {
     if ($_POST['tariffs_end_date'] > $temp_employee_role->end_date && $temp_employee_role->end_date != 0 || $_POST['tariffs_end_date'] == 0 && $temp_employee_role->end_date != 0) {
         $_POST['action'] = 'enter_data';
         $error_level = 7;
         // End date after employee_role end date
         break;
     }
 }
 // Create the tariff
 $administration_tariff = new tariff($_POST['tariffs_id'], 'dummy');
 // Check for duplicates
 if ($administration_tariff->has_duplicates($_POST['tariffs_start_date'], $_POST['tariffs_end_date'], $_POST['units_id'], $_POST['employees_roles_id'])) {
     $_POST['action'] = 'enter_data';
     $error_level = 8;
     // Duplicate entries found
     break;
 }
 // Do the checks
 if ($administration_tariff->id != 0) {
     // Existing tariff
     /********************************************/
     /*** First do the start date check series ***/
     /********************************************/
     if ($_POST['tariffs_start_date'] != $administration_tariff->start_date) {
         // Start date has changed
         if ($_POST['tariffs_start_date'] > $administration_tariff->start_date) {
             // Start date after original start date