I think this should be changed to ALLOW DATES, - being 01/06/2013 to 30/06/2013 - that way no invoices could be
incorrectly dated into the wrong year or forward dates. If you want to post date an ...
I can see the need for this where you are processing a previous month and want to ensure that an entry is not accidentally dated with this month's date.
A neat way to do this is to have two dates, one as being the earliest date and the other being the latest date. Either would be optional so that you can nominate the start, the finish, both or neither.
This would not replace the warning message when you are entering a forward date entry. Although, some people may even prefer this to be an optional warning too?