When setting date on Backorders, date is not enforce and multiple lines will cause exception

[E.R. Spada II]

We are having issue when trying to change the delivery date of backorders. Since I cannot directly set min_date, when I change it on the product line, the date will change but does not enforce the Route Day. So you can change the date, but then if you edit the entire delivery order it will then not validate. You need to set the scheduled date to the day before? Then save. I also will throw an exemption when you have multiple lines and set different dates. So we need to enforce one workflow for setting the backorder delivery date. Here are some screenshots showing a saved delivery order 9/2/13, on Mondays Route?