Related Clues:

• Ring again to annul this
• Ring again if you wish to reverse the charge
• Perhaps ring again if you want to annul this
• By the sound of it, able to sell this or eliminate it
• 'If you want a cancellation, ring again (6)'
• Ring again to cancel it
• The 21st Amendment, e.g
• Revoke scientific name held by revolutionary
• Recall a peer newly created by the sovereign
• Withdraw article in revolt
• Scrub cape unusually clean
• Withdraw treatment for a leper
• Revoke
• Officially prevent happening
• Call off (arranged event)