/**
  * Returns the shopware tax id
  *
  * @throws PlentymarketsImportItemException
  * @return integer
  */
 protected function getTaxId()
 {
     try {
         $taxID = PlentymarketsMappingController::getVatByPlentyID($this->ItemBase->VATInternalID);
     } catch (PlentymarketsMappingExceptionNotExistant $E) {
         throw new PlentymarketsImportItemException('The item »' . $this->ItemBase->Texts->Name . '« with the id »' . $this->ItemBase->ItemID . '« could not be imported (no valid vat/tax)', 3030);
     }
     return $taxID;
 }