Specifies the start time for calculating the payment due date.
| Member | Value | Description |
|---|---|---|
| pdt_MonthEnd | 0 | The payment due date starts from the end of the month. |
| pdt_HalfMonth | 1 | The payment due date starts from the half of the month. |
| pdt_MonthStart | 2 | The payment due date starts from the beginning of the month. |
| pdt_None | 3 | None. |