Filtrado por tax_id no esta funcionando

[cesarmtz93-wit]

$this->facturapi = new Facturapi('facturapi_user_key');

$params = ['q' => $rfc];

$organizations = $this->facturapi->Organizations->all($params);

stdClass Object
(
    [page] => 1
    [total_pages] => 1
    [total_results] => 0
    [data] => Array
        (
        )

)