Final answer:
Security guards are required to wear identification that includes either their name or their license number, ensuring they are identifiable for accountability and professional purposes.
Step-by-step explanation:
The question pertains to the additional duties of a security guard beyond carrying their license. Security guards must wear ID that has either their name or their license number. This requirement is in place to ensure that they are easily identifiable by members of the public and their employers. It is a standard practice which aligns with maintaining professionalism and accountability within security operations. Furthermore, adhering to safety protocols and personal hygiene is essential for security personnel, just as it is for other professions such as firefighters, who must wear fire-resistant clothing and carry equipment designed for their specific duties.