Related Clues:

• Spontaneously
• Temporary, as a committee
• Sans script
• Formed as needed
• Make up lines
• Middle of the resolution
• Off-the-script comment
• ___ committee
• -- committee
• Special-purpose
• Seat-of-the-pants performance
• For this purpose only
• Wing it, in a way
• Extemporaneous
• Go off the script