Which factor is NOT mentioned as influencing the transfer process?

The factor that is identified as not influencing the transfer process is internal restructuring. This means that while transfer policies might consider various personal and situational factors affecting individuals, such as retirement and illness—both of which can affect an employee's readiness for or eligibility for transfer—internal restructuring pertains more to organizational changes rather than individual circumstances.

Internal restructuring typically relates to how departments or agencies reorganize for efficiency or strategic reasons and does not inherently influence an individual officer's transfer in the same way that personal situations or established transfer protocols do. Therefore, it stands apart from more personal or direct influences on transfer decisions, making it the correct choice for this question.