to move, Enter to open, Esc to close. Try 3.5.3, AC.L2-3.1.1, MFA or unmarked.

Proprietary Postal POST

A CUI category in the Proprietary Business Information grouping of NARA's registry, CUI Basic, marked CUI.

NARA's description

CUI Registry · Proprietary Postal

Concerning or related to the course of business of the United States Postal Service.

Verbatim from the registry entry, which NARA last reviewed on May 13, 2025. Fetched 2026-09-08.

Markings

Category marking
POST
Banner marking
CUI
Alternative banner, Basic
CUI//POST

A banner reads CUI for Basic categories and CUI//SP-POST for Specified ones, followed by any limited dissemination control such as NOFORN. How the marking rule works, verbatim from 32 CFR 2002.20.

Authorities

The law, regulation or Government-wide policy that makes this information CUI, and whether it does so as a Basic or a Specified authority.

Safeguarding or dissemination authorityBasic or SpecifiedBannerSanctions
39 USC 410(c)(2)BasicCUI
39 USC 3652(f)BasicCUI
39 USC 3654(f)BasicCUI

Source: https://www.archives.gov/cui/registry/category-detail/proprietary-postal.