39 CFR 231.2 : Postal Service (§ 1.1 To Parts 3061-3099) — (§ 1.1 To Parts 3061-3099) — United States Postal Service (§ 1.1 To Parts 967-999) — Organization And Administration (§ 211.1 To § 281.4) — Protection Of Post Offices (§ 231.1 And § 231.2) — Security Control Officer.

The postmaster or a supervisor designated by the postmaster shall act as Security Control Officer for each post office. The Security Control Officer shall be responsible for the general security of the post office, its stations and branches, in accordance with rules and regulations issued by the Chief Postal Inspector.