Put simply, it returns the payable amount if the paymentduedate matches the one supplied in the host variable.
简单地说，如果应付款日期与主机变量中提供的值匹配，它就返回应支付金额。
2
Mandate standard payment dates and times, to keep companies from tripping you up into late charges by moving your duedate.
规定标准的支付日期和时间，以免公司改动你还款的截止日期而赚取滞纳金。
3
In case paymentdatedue falls on Saturday, Sunday or other official holidays Indonesia, the payment shall be made on immediately following banking (working) day.