How can we mute an Oracle Alert ?

Hello,

We are using Oracle Alerts extensively for various things.

For example, An alert will chase requestors to finally close a purchase order if it is over 6 months old. We do have lots of partial used or abandoned open purchase orders.

In some cases the purchase order need to be kept open as things got delayed etc.

In such cases is there a way the requestor can mute the alert, so that for that particular purchase order, no more reminders will be sent.

Thanks in advance,

Monika