A Rule 4 deduction applies to all bets on a market when a horse is withdrawn before coming under starters orders or is officially deemed by the starter to have taken no part in the race, stakes will be returned on the withdrawn horse, and winning bets will be subject to deductions in accordance with Tattersalls Rule 4 table:
| Odds | Deduction (c/p in the €/£) |
| 1/9 or shorter | 90c/p |
| 2/11 up to and including 2/17 | 85c/p |
| 1/4 up to and including 1/5 | 80c/p |
| 3/10 up to and including 2/7 | 75c/p |
| 2/5 up to and including 1/3 | 70c/p |
| 8/15 up to and including 4/9 | 65c/p |
| 8/13 up to and including 4/7 | 60c/p |
| 4/5 up to and including 4/6 | 55c/p |
| 20/21 up to and including 5/6 | 50c/p |
| 1/1 up to and including 6/5 | 45c/p |
| 5/4 up to and including 6/4 | 40c/p |
| 8/5 up to and including 7/4 | 35c/p |
| 9/5 up to and including 9/4 | 30c/p |
| 5/2 up to and including 3/1 | 25c/p |
| 10/3 up to and including 4/1 | 20c/p |
| 9/2 up to and including 11/2 | 15c/p |
| 6/1 up to and including 9/1 | 10c/p |
| 10/1 up to and including 14/1 | 5c/p |
| 16/1 or greater | No deduction made |