What must personnel carry when performing mail handling duties?

When performing mail handling duties, personnel must carry an identification card. This is crucial for several reasons. An identification card serves as a verification of the individual's identity and their authorization to access and handle sensitive or private mail. It ensures security and accountability within mail operations, as unauthorized personnel should not have access to the mailroom or the mail itself.

Additionally, having an identification card helps maintain the integrity of the mail handling process and protects both the personnel and the organization from potential security breaches. It assures all involved that any handling of mail is being conducted by a person properly vetted and trained for the responsibilities associated with mail handling. Carrying this form of identification is a standard requirement in many postal and mail operations to facilitate smooth and secure operations.