42 CFR § 475.100 - Scope and applicability.

---
identifier: "/us/cfr/t42/s475.100"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 475.100 - Scope and applicability."
title_number: 42
title_name: "Public Health"
section_number: "475.100"
section_name: "Scope and applicability."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "F"
subchapter_name: "QUALITY IMPROVEMENT ORGANIZATIONS"
part_number: "475"
part_name: "QUALITY IMPROVEMENT ORGANIZATIONS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Secs. 1102 and 1871 of the Social Security Act (42 U.S.C. 1302 and 1395hh)."
cfr_part: "475"
---


# 475.100 Scope and applicability.

This subpart implements sections 1152 and 1153(b) and (c) of the Social Security Act as amended by section 261 of the Trade Adjustment Assistance Extension Act of 2011. This subpart defines the types of organizations that are eligible to become Quality Improvement Organizations (QIOs) and describes certain steps CMS will take in selecting QIOs.