Different Cluster-Typology is checked
independently.
Only the present and future mappings can be
added upon below conditions
For each mapping period, start date must be earlier
than or equal to end date.
Start date cannot be less than or equal to the current
date. However, in case where needs to end the effective
mapping on the current date, start date can be equal to
the current date if end date is the current date.
End date can be left blank and its value will be
‘31/12/2049’.