These dates may be subject to review, but it is anticipated that completion will be required on the third Monday of September each year.
| Year of completion | Deadline |
| 2023 | 5:00pm – Monday 18th September 2023 |
| 2024 | 5:00pm – Monday 16th September 2024 |
| 2025 | 5:00pm – Monday 15th September 2025 |
| 2026 | 5:00pm – Monday 21st September 2026 |