public $validate = array(
		'employee_id' => array(
			'required' => array(
				'rule' => array('notBlank'),
				'required' => true,
				'allowEmpty' => false,
				'message' => 'Employee ID must be specified!'
			),
		),
		'email' => array(
			'valid_email' => array(
				'rule' => 'email',
				'message' => 'Enter a valid email address',
				'allowEmpty' => true,
				'required' => false
			)
		),
		'address_line_1' => array(
			'required' => array(
				'rule' => array('notBlank'),
				'required' => true,
				'allowEmpty' => false,
				'message' => 'Please enter an address'
			),
		),
		'country_id' => array(
			'required' => array(
				'rule' => array('notBlank'),
				'required' => true,
				'allowEmpty' => false,
				'message' => 'Please select country'
			),
		)
	);