Cancellation enhancements

The cancellation enhancement, CancellationEnhancement.gsx, enhances the Cancellation entity with additional functionality. You can edit this file.

This enhancement contains functions that do the following:

• Determines which refund calculation functions displays based on the cancellation reason.
• Calculates the earliest and latest effective date of the cancellation.
• Returns the last date of the underwriting period.
• Withdraws later cancellations with the same based on period.