Version history
| Version | Action | Approved by | Approval date | Business Owner |
| Version 3 | Approved | Chief People Officer | 1 March 2024 | Director Safety and Wellbeing |
| Version 2 | Approved | Chief People Officer | 24 April 2023 | Director Safety and Wellbeing |
| Version 1 | Reconfirmed , unchanged | Chief People Officer | 20 January 2023 | Director Safety and Wellbeing |
| Version 1 | Approved | Chief People Officer | 27 January 2022 | Director Safety and Wellbeing |
