When you click the Prepare RFQ button on the P.30.11 screen, the P.30.21 Prepare RFQ screen opens.
The selected inquiry with its supplement and the Purchase indicator is shown on the top of the screen.
You can set the NDA status to Exception and click Approve. This will send an email notification to the supplier.
If the NDA status is set to Approved or Approved with comments in P.20.01 Suppliers/Subcontracts screen, this check box is disabled.