PN:How to restrict billing for terminated lease?

   

    Hi,

     I have terminated a lease, example , termination date is 30-Jun-12.

    Then i tried to enter billings for 01-Jul-12. Although it prompted me that this date is beyond my termination date, it still allowed me to enter and approve the billing.

   Is it possible for the system not to allow billings beyond the terminatiion date?

  This is for control purposes.

    Thanks for the help!