28 C.F.R. § 511.10 – Purpose and scope.

(a) This subpart facilitates our legal obligations to ensure the safety, security, and orderly operation of Bureau of Prisons (Bureau) facilities, and protect the public. These goals are furthered by carefully managing non-inmates, the objects they bring, and their activities, while inside a Bureau facility or upon the grounds of any Bureau facility (Bureau grounds).
(b) Purpose. This subpart covers:
1. (1) Searching non-inmates and their belongings (for example, bags, boxes, vehicles, containers in vehicles, jackets or coats, etc.) to prevent prohibited objects from entering a Bureau facility or Bureau grounds;
2. (2) Authorizing, denying, and/or terminating a non-inmate's presence inside a Bureau facility or upon Bureau grounds; and
3. (3) Authorizing Bureau staff to remove from inside a Bureau facility or upon Bureau grounds, and possibly arrest and detain, non-inmates suspected of engaging in prohibited activity.
(c) Scope/Application. This subpart applies to all persons who wish to enter, or are present inside a Bureau facility or upon Bureau grounds, other than inmates in Bureau custody. This subpart applies at all Bureau facilities and Bureau grounds, including administrative offices.