// only do below if status has changed in the 'approval' case
final LocalDate approvedOn = command.localDateValueOfParameterNamed(SavingsApiConstants.approvedOnDateParamName);
final String approvedOnDateChange = command.stringValueOfParameterNamed(SavingsApiConstants.approvedOnDateParamName);
this.approvedOnDate = approvedOn.toDate();
this.approvedBy = currentUser;
actualChanges.put(SavingsApiConstants.localeParamName, command.locale());
actualChanges.put(SavingsApiConstants.dateFormatParamName, command.dateFormat());
actualChanges.put(SavingsApiConstants.approvedOnDateParamName, approvedOnDateChange);