public function attributeLabels()
{
return array('customer_group_id' => 'Customer Group', 'approval' => 'Approval', 'company_id_display' => 'Company Id Display', 'company_id_required' => 'Company Id Required', 'tax_id_display' => 'Tax Id Display', 'tax_id_required' => 'Tax Id Required', 'sort_order' => 'Sort Order');
}