...
If
[Ignore previous]
is True: find the previous settlement with[Settlement Date]
before[Interest End Date]
and[Interest on Disbursement]
not equal to zero and exclude all disbursement with[Disbursement Date]
before or equal to that settlement's[Interest End Date]
If
[Interest Rate]
is set to Auto, use rates from the picklist "Settlement Interest Fixed Rates" for[Effective Date]
...