Payment terms marked Do not use

Hi,

AP has notified certain Payment terms need to be blocked from allowing its usage.

We do not want to delete such payment terms.

We have added Do not use in the text of such payment terms.

While entering PO, we allow users to change the payment terms. Is there a way we can prevent users from using the payment terms labelled as "Do not use"??

Please guide.

Thanks,

Shilpa