docs: @Override
  	public HTTaxinvoiceSummary summary(String CorpNum, String JobID,
  			String[] Type, String[] TaxType, String[] PurposeType,
  			String TaxRegIDYN, String TaxRegIDType, String TaxRegID)
  			throws PopbillException {
  		return summary(CorpNum, JobID, Type, TaxType, PurposeType, TaxRegIDYN, TaxRegIDType, TaxRegID, null);
  	}