CAllCrmInvoice::GetStatusList

static function GetStatusList()
{
	$result = array();

	$dbRes = Bitrix\Crm\Invoice\InvoiceStatus::getList(['order' => ['SORT' => 'ASC']]);
	while ($status = $dbRes->fetch())
	{
		$result[$status['STATUS_ID']] = $status;
	}

	return $result;
}