NOR/OCR are getting created for past dates

Steps to reproduce:

1. Login to the S2O page
2. Click on Filter button and select SKU and select Submit NOR/OCR option from Net Req grid.
3. The NOR/OCR screen pop-up is displayed.
4. Select the Balance Order Qty 
5. Select the Need by date in past and observe the results.

Expected result:

User should not be able to submit NOR/OCR for need by date given in past.

Actual result:

User is able to submit NOR/OCR for the past dates in need by date field.