| Date | Change | Text |
|---|---|---|
| 16 November 1971 | Made | 29 Count of the House / Counting The House shall not be counted at any time. If at any time it shall appear, on a division, that forty Members are not present, the business under consideration shall stand over until the next sitting of the House and the next business shall be taken. |
| 30 March 1983 | Amended | 30 Quorum If it should appear that fewer than forty Members (including the occupant of the chair and the tellers) have taken part in a division, the business under consideration shall stand over until the next sitting of the House and the next business shall be taken. The House shall not be counted at any time. |