---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch6A/schXVII/ptB"
level: "part"
label: "Part B"
heading: "Block Grants Regarding Mental Health and Substance Use"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/ch6A-schXVII-ptB"
sections_count: 44
---

# Part B — Block Grants Regarding Mental Health and Substance Use

Title 42 — The Public Health and Welfare › Chapter 6A — Public Health Service › Subchapter XVII — Block Grants

## Contents

- [Subpart i — block grants for community mental health services](/usc/42/ch6A-schXVII-ptB-spti.md)
- [Subpart ii — block grants for substance use prevention, treatment, and recovery services](/usc/42/ch6A-schXVII-ptB-sptii.md)
- [Subpart iii — general provisions](/usc/42/ch6A-schXVII-ptB-sptiii.md)