Existing interest rate determination procedure needs to be modified to enhance the waiver rate functionality to calculate the final interest rate on the account.A new procedure needs to be added to calculate the interest amount separately based on the waiver interest rate defined on the account and the waiver rate will be applicable on the account only for the defined period of time between effective date and expiry date of the waiver interest rate.If an account was set up for interest waiver in different period with different waiver effective and expiry date, the newly added procedure will calculate and display the sum of the entire waived interest amount on the account and display the same in Total waived amount field as shown in the WebCSR screen.The existing billing procedure will be modified to include the waived interest amount on the bill.The existing bill details record file will be modified to show the waived interest amount for the billing period on the bill record.A separate column in the bill record will be created for the waived interest amount for all the account, if there is no interest waiver applied on the account the new column for waived amount will be displayed with zero amount.User should be allowed to edit the defined waiver percentage, effective date and expiry date even when the waiver interest rate is effective on the account. Any updates performed on the waiver interest parameters should be applied online (in real-time) and in the day end process systems should consider waiver interest parameters to calculate the interest accrual on the account.
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