What must be included in an organization's procedures for managing visitors?

 Visitor Management Requirements:

PCI DSS Requirement 9.3 specifies that visitors must be escorted at all times in areas where cardholder data is present to prevent unauthorized access or breaches​​.

 Invalid Options:

B:Visitor badges must be distinguishable from employee badges.

C:Visitor logs are necessary but do not need detailed personal information like addresses.

D:Retaining visitor identification for 30 days is not a requirement.