[SICSR-16570] existing premium instalment schedule proportionally split when changing Insured Period
Product Line:	P&C
Component/s:	Business Premium/Limit Condition
Affects Version/s:	SICS 4.8.6
Fix Version/s:	SICS 4.9.5
Customer:	SOMPO JAPAN INSURANCE INC.
External Issue ID:	Dezie3681

Problem:
When changing the insured period of a contract, the system initiates a recalculation of existing instalments without an option of not to.

Solution:
When changing the insured period and there is an existing premium installments schedule, the system should give the standard instalment recalculation warning message. If replying Yes to this, the system should proportionally split the instalments according to total premium. If replying No, the system should keep the instalments unchanged.

Workaround:

Root Cause:

Extent of Impact:

Impact on Existing Data

Recovery Method for Existing Data Affected