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- Begin Date (220), which is the effective date of the change, must be equal to an actual coupon date for underlying security changes; spread changes can occur on any date
- Must be less than/equal to Dated Date (1183) for the initial period
- If you are changing the underlying security and using an Adjusted day count basis such as
ADJMBC (Modified Following - Adjusted), Begin Date must equal the adjusted coupon date
- End Date (221) of one period must not overlap with Begin Date of the subsequent period
- Because Begin Date indicates the effective date of the change, each End Date must be one calendar day prior to Begin Date of the subsequent period
| Warning |
|---|
Having multiple periods with no End Date may cause the TRAN engine to hang. Ensure you do not have any overlapping periods, or multiple periods with no End Date, before attempting to process trades or accruals. |
As mentioned above, an initial open-ended record (End Date = NULL) is created when Time Sensitive is set to Yes. This record will have Begin Date = Issue Date (68) of the security by default, but that must be changed to Dated Date if it is earlier. Notes:
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