PAS97
This PAS doesn’t propose a single standard of postal security and screening. Instead, it sets out to help organizations assess their particular level(s) of risk and select and implement commensurate security measures whether onsite or offsite, delivered in-house or outsourced.
A series of screening levels (1 to 5) is defined in terms of progressively more complex screening measures. This is complemented by a series of physical protection classes (A to D) that describe incremental physical protective measures for mail rooms and personnel.