Related Clues:

• Special-purpose, as a committee
• One-off, as a committee
• Created for a certain purpose, as a committee
• Impromptu party outside hotel hosted by Bill?
• For a single purpose, as a committee
• Specialized, in a way
• Like a short-lived committee
• Like certain committees
• Temporary, like a committee
• Bill starts in House of Commons for a special reason
• Like a one-off committee
• Set up for a specific purpose
• Like one-time committees