Belahbahagian adalah undian yang mana setiap Ahli akan ditanya pihak yang hendak diundi. Belahbahagian ini diadakan apabila keputusan undian suara menerima bantahan dengan lapan atau lebih Ahli Dewan Negara, dan lima belas atau lebih Ahli Dewan Rakyat bangun minta diadakan belahbahagian.

Division is a vote where each Member will be asked which party to vote. Division is held when the votes taken by voices were challenged by eight or more than eight Senators for the Senate, and fifteen or more than fifteen Members for the House of Representatives rise to call for a division.