Version history
| Version | Action | Approved by | Approval date | Business Owner |
| Version 4 | Revoked | Chief People Officer | 5 July 2023 | Director Safety and Wellbeing |
| Version 4 | Minor amendment approved | Director Governance and Compliance | 22 December 2022 | Director Safety and Wellbeing |
| Version 3 | Approved | Chief People Officer | 18 October 2022 | Director Safety and Wellbeing |
| Version 2 | Approved | Chief People Officer | 23 June 2022 | Director Safety and Wellbeing |
| Version 1 | Approved | Chief People Officer | 23 December 2021 | Director Safety and Wellbeing |
