What is the appropriate action if someone enters the building and shows an ID card while walking past you?

The option that involves politely asking the person to hand you the ID, assuming your post orders permit it, is appropriate because it aligns with the professionalism expected of a security guard. It emphasizes the importance of verifying an individual's identity while maintaining a courteous demeanor. This approach can help ensure that protocol is followed without escalating a potentially tense situation. By asking for ID, you are actively engaging in your responsibilities to monitor who enters the premises and ensuring the safety and security of the environment.

This response also balances the need for vigilance and respect for personal space. Assuming that the post orders allow the request, this action does not bypass any established security protocols and exemplifies good customer service in a security role. Moreover, this method allows you to assess the situation further while keeping communication open with the individual, which can provide additional context regarding their presence in the building.