Chapter I: FEDERAL TRADE COMMISSION
Subchapter B: Guides and trade practice rules
Part 18: Guides for the nursery industry
16 CFR 18.2 - Deception through use of names.
16 CFR 18.3 - Substitution of products.
16 CFR 18.4 - Size and grade designations.
16 CFR 18.5 - Deception as to blooming, fruiting, or growing ability.
16 CFR 18.6 - Plants collected from the wild state.
16 CFR 18.7 - Misrepresentation as to character of business.
16 CFR 18.8 - Deception as to origin or source of industry products.
Part 20: Guides for the rebuilt, reconditioned and other used automobile parts industry
16 CFR 20.0 - Scope and purpose of the guides.
16 CFR 20.1 - Deception generally.
16 CFR 20.2 - Deception as to identity of rebuilder, remanufacturer, reconditioner or reliner.
16 CFR 20.3 - Misrepresentation of the terms “rebuilt,” “factory rebuilt,” “remanufactured,” etc.
Part 23: Guides for the jewelry, precious metals, and pewter industries
16 CFR 23.0 - Scope and application.
16 CFR 23.1 - Deception (general).
16 CFR 23.11 - Definition and misuse of the word “diamond.”
16 CFR 23.12 - Misuse of the words “flawless,” “perfect,” etc.
16 CFR 23.13 - Disclosure of treatments to diamonds
16 CFR 23.14 - Misuse of the term “blue white.”
16 CFR 23.15 - Misuse of the term “properly cut,” etc.
16 CFR 23.16 - Misuse of the words “brilliant” and “full cut.”
16 CFR 23.17 - Misrepresentation of weight and “total weight.”
16 CFR 23.18 - Definitions of various pearls.
16 CFR 23.19 - Misuse of the word “pearl.”
16 CFR 23.2 - Misleading illustrations.
16 CFR 23.21 - Misrepresentation as to cultured pearls.
16 CFR 23.22 - Disclosure of treatments to gemstones.
16 CFR 23.24 - Misuse of the words “real,” “genuine,” “natural,” “precious,” etc.

