Possible Clues:

• Final demand
• When push comes to shove, Irish university backs American university losing top piece of information?
• Peremptory demand
• Final offer
• Demand that rarely ends in compromise
• Presented by Ludlum, having established identity and supremacy
• Ludlum produced it following a boundary, apparently
• Final (peremptory) demand
• A final demand - or else
• Following the demands of last month, I am nothing but a belly