public Result WithinGroupVirtualAccountBalanceAdjustInterface(string requestNumber, Req_4057 req_4057, string counterId = "")
        {
            var be     = new BankEnterpriseDirectInterface(this.IsSpecialLine);
            var result = be.WithinGroupVirtualAccountBalanceAdjustInterface(requestNumber, req_4057, counterId);

            return(CommUtils.ToResult(result));
        }