Which responsibility of EMS personnel is NOT mandated by the department?

The responsibility of EMS personnel to carry their department-issued certification on their person is not mandated by the department, making this the correct choice. In many cases, while it is a common practice and encouraged for personnel to keep their certification readily available for verification, it is not a formal requirement enforced by the department.

In contrast, other responsibilities such as following the approved medical director's protocols and policies, keeping accurate and complete patient care reports, and preventing misappropriation of patient belongings are generally considered essential functions of EMS practice and required by departments to ensure high standards of care, accountability, and the safeguarding of patient rights. These responsibilities are critical for maintaining proper patient care, legal compliance, and the ethical standards of the profession.