---
kind: "unit"
title: "16"
title_heading: "Commercial Practices"
key: "chI/subchD"
level: "subchap"
label: "Subchapter D"
heading: "Trade Regulation Rules"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/16/chI-subchD"
sections_count: 121
---

# Subchapter D — Trade Regulation Rules

Title 16 C.F.R. — Commercial Practices › Chapter I — Federal Trade Commission

## Contents

- [Part 408 — Unfair or Deceptive Advertising and Labeling of Cigarettes in Relation to the Health Hazards of Smoking](/cfr/16/chI-subchD-part408.md)
- [Part 423 — Care Labeling of Textile Wearing Apparel and Certain Piece Goods as Amended](/cfr/16/chI-subchD-part423.md)
- [Part 424 — Retail Food Store Advertising and Marketing Practices](/cfr/16/chI-subchD-part424.md)
- [Part 425 — Use of Prenotification Negative Option Plans](/cfr/16/chI-subchD-part425.md)
- [Part 429 — Rule Concerning Cooling-Off Period for Sales Made at Homes or at Certain Other Locations](/cfr/16/chI-subchD-part429.md)
- [Part 432 — Power Output Claims for Amplifiers Utilized in Home Entertainment Products](/cfr/16/chI-subchD-part432.md)
- [Part 433 — Preservation of Consumers' Claims and Defenses](/cfr/16/chI-subchD-part433.md)
- [Part 435 — Mail, Internet, or Telephone Order Merchandise](/cfr/16/chI-subchD-part435.md)
- [Part 436 — Disclosure Requirements and Prohibitions Concerning Franchising](/cfr/16/chI-subchD-part436.md)
- [Part 437 — Business Opportunity Rule](/cfr/16/chI-subchD-part437.md)
- [Part 444 — Credit Practices](/cfr/16/chI-subchD-part444.md)
- [Part 453 — Funeral Industry Practices](/cfr/16/chI-subchD-part453.md)
- [Part 455 — Used Motor Vehicle Trade Regulation Rule](/cfr/16/chI-subchD-part455.md)
- [Part 456 — Ophthalmic Practice Rules (eyeglass Rule)](/cfr/16/chI-subchD-part456.md)
- [Part 460 — Labeling and Advertising of Home Insulation](/cfr/16/chI-subchD-part460.md)
- [Part 461 — Rule on Impersonation of Government and Businesses](/cfr/16/chI-subchD-part461.md)
- [Part 464 — Rule on Unfair or Deceptive Fees](/cfr/16/chI-subchD-part464.md)
- [Part 465 — Rule on the Use of Consumer Reviews and Testimonials](/cfr/16/chI-subchD-part465.md)