32 CFR § 157.1 - Purpose.

---
identifier: "/us/cfr/t32/s157.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "32 CFR § 157.1 - Purpose."
title_number: 32
title_name: "National Defense"
section_number: "157.1"
section_name: "Purpose."
chapter_name: "OFFICE OF THE SECRETARY OF DEFENSE"
subchapter_number: "F"
subchapter_name: "SECURITY"
part_number: "157"
part_name: "DOD INVESTIGATIVE AND ADJUDICATIVE GUIDANCE FOR ISSUING THE COMMON ACCESS CARD (CAC)"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "HSPD-12, E.O 13467, E.O. 13488, FIPS 201-2, and OPM Memorandum."
regulatory_source: "79 FR 55624, Sept. 17, 2014, unless otherwise noted."
cfr_part: "157"
---


# 157.1 Purpose.

This part establishes policy, assigns responsibilities, and prescribes procedures for investigating and adjudicating eligibility to hold a Common Access Card (CAC). The CAC is the DoD personal identity verification (PIV) credential.