Which method ensures the proper use of UJC and Force Activity Designators (FAD) codes?

The method that ensures the proper use of UJC (Urgent and Compelling Justification) and Force Activity Designators (FAD) codes is following the FAD of the supported unit. This is critical because the FAD is a categorization system that helps prioritize resources and support amongst different units based on their operational requirements. Each supported unit has a specific FAD that guides how resources are allocated, and aligning with this categorization ensures that the needs of the unit are met efficiently and effectively.

By following the FAD, personnel can ensure that the urgency and significance of requests align with the unit's mission priorities, facilitating appropriate use of UJC and FAD codes in decision-making processes. It creates a standardized approach to evaluating and fulfilling needs, which is crucial for effective materiel management and support in military operations.

The other options, while they contain important aspects of materiel management, do not specifically address how to ensure the correct application of UJC and FAD codes in the context of prioritizing support according to unit requirements. Standard operating procedures provide guidelines but do not necessarily impose the prioritization driven by FAD. Adhering to purchases authorized under GPC (Government Purchase Card) relates more to procurement processes rather than the specific categor