protected function loadBasicPaymentMethodClass()
    {

        if (!class_exists("Icepay_Api_Basic"))
            return $this;

        $this->pm_class = Icepay_Api_Basic::getInstance()
                ->readFolder()
                ->getClassByPaymentMethodCode($this->data->ic_paymentmethod);

        if (count($this->pm_class->getSupportedIssuers()) == 1) {
            $this->setIssuer(current($this->pm_class->getSupportedIssuers()));
        }
        return $this;
    }