Possible Clues:

• Great Britain's congress
• Where to see alert PM in a muddle
• Meal in part cooked as required by convention
• Irishman embraced by father of the House?
• A ___ of owls
• Legislative assembly
• Chambers: "a representative collection"
• On the contrary, take the rap for crying over initial incident in the house
• 14 to bring up receiving letters from the right
• Collective noun for owls