42 CFR § 423.2500 - Basis and scope.

---
identifier: "/us/cfr/t42/s423.2500"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 423.2500 - Basis and scope."
title_number: 42
title_name: "Public Health"
section_number: "423.2500"
section_name: "Basis and scope."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "MEDICARE PROGRAM"
part_number: "423"
part_name: "VOLUNTARY MEDICARE PRESCRIPTION DRUG BENEFIT"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 1302, 1306, 1395w-101 through 1395w-152, and 1395hh."
regulatory_source: "70 FR 4525, Jan. 28, 2005, unless otherwise noted."
cfr_part: "423"
---


# 423.2500 Basis and scope.

(a) *Basis.* This subpart is based on section 1860D-14 of the Social Security Act.

(b) *Scope.* This subpart sets forth the requirements for the Limited Income Newly Eligible Transition (LI NET) program that begins no later than January 1, 2024. Under this program, eligible individuals are provided transitional coverage for Part D drugs.