adjust paid expense report in prior month

There is an expense report which is paid and posted in prior month(June). Now we want to adjust the same expense report via adjust paid expense report screen that we want to post in the prior month. But it looks like PS expense module is not asking for the accounting date instead it is taking system date as its accounting date. Do we have any option to post adjusted expense report in the prior month?

We are on PeopleSoft version 9.1

Thanks!