Possible Clues:

• A measure of the printers taking the line to depart from official restriction on trade
• Stoppage in local game after Nutmeg turns up
• Trade sanction so engrossing business graduate
• Stop — amber changing — move
• Organise AGM, or be subject to ban
• Stoppage of trade thus restricts business degree
• Thus restricting doctor, a ban
• Notice in Harlem bar: 'Goodbye, Prohibition!'
• Ban poetic entreaty to hold me back
• Ban so restricts business expert