Which one of the following is not an essential ingredient of Pass Syst

Which one of the following is not an essential ingredient of Pass System ?

Photograph of the person who wants to enter
Signature verification of the authority whose signature is present on the pass
Checking the date of validity
Address of the person
This question was previously asked in
UPSC CISF-AC-EXE – 2021
A pass system is primarily used for access control and verification of identity and authorization to enter a restricted area. Essential elements for validating a pass typically include a photograph to match the person presenting the pass, verification of the validity period (date), and authentication of the pass itself, often through a signature or other security features of the issuing authority. The address of the person, while personal information, is not typically an essential ingredient for the *verification* process of the pass at an entry point, unless the pass is specifically tied to a local residency requirement, which is not a universal feature of pass systems.
Essential ingredients of a pass system for verification purposes focus on confirming the identity of the holder, the validity of the pass, and its authenticity. Personal details like address are not typically necessary for the immediate process of allowing or denying entry based on the pass itself.
Modern pass systems often use electronic means like magnetic stripes, barcodes, or RFID tags for verification, in addition to or instead of physical features like photographs and signatures. However, the underlying principles of identity confirmation and validity checking remain central.