On 17 March 2022, the MOD published the latest version of Joint Service Publication (JSP) 912 promulgating MOD policy regarding the process of human factors integration (HFI) in defence systems for service personnel and contractors. HFI involves the identification and trade-off of people related considerations that could affect capability development and delivery.
The JSP is published in 2 parts (Directive and Guidance) and available on the Gov website here.