---
kind: "unit"
title: "42"
title_heading: "Public Health"
key: "ch0"
level: "chapter"
label: "Chapter 0"
heading: "Chapters Ii-Iii [reserved]"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/42/ch0"
sections_count: 0
---

# Chapter 0 — Chapters Ii-Iii [reserved]

Title 42 C.F.R. — Public Health