public override string toXML(string country)
        {
            string        str           = ((!country.Equals("US")) ? "cavv_purchase" : "us_cavv_purchase");
            StringBuilder stringBuilder = new StringBuilder();

            stringBuilder.Append("<" + str + ">");
            stringBuilder.Append(toXML());
            if (!custInfo.IsEmpty())
            {
                stringBuilder.Append(custInfo.toXML());
            }
            if (!avsInfo.IsEmpty())
            {
                stringBuilder.Append(avsInfo.toXML());
            }
            if (!cvdInfo.IsEmpty())
            {
                stringBuilder.Append(cvdInfo.toXML());
            }
            if (convFeeInfo != null)
            {
                stringBuilder.Append(convFeeInfo.toXML());
            }
            stringBuilder.Append("</" + str + ">");
            return(stringBuilder.ToString());
        }
        public override string toXML(string country)
        {
            string        str           = ((!country.Equals("US")) ? "res_cavv_preauth_cc" : "us_res_cavv_preauth_cc");
            StringBuilder stringBuilder = new StringBuilder();

            stringBuilder.Append("<" + str + ">");
            stringBuilder.Append(toXML());
            if (!custInfo.IsEmpty())
            {
                stringBuilder.Append(custInfo.toXML());
            }
            if (!avsInfo.IsEmpty())
            {
                stringBuilder.Append(avsInfo.toXML());
            }
            if (!cvdInfo.IsEmpty())
            {
                stringBuilder.Append(cvdInfo.toXML());
            }
            stringBuilder.Append("</" + str + ">");
            return(stringBuilder.ToString());
        }