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115 U.S.C. 45. 
2Although the Guides focus on deception, the 
FTC can also address unfair practices should the 
need arise. 
3FTC Policy Statement on Deception, appended 
to Cliffdale Assoc., Inc., 103 FTC 110 (1984); see 
also FTC v. Verity Int’l, 443 F.3d 48, 63 (2d Cir. 
2006); FTC v. Pantron I Corp., 33 F.3d 1088, 1095 
(9th Cir. 1994). Under Section 5, an act or practice is unfair if it causes or is likely to cause substantial injury that consumers could not reasonably avoid, and the injury is not outweighed by countervailing benefits to consumers or competition. 15 U.S.C. 45(n). 
4See generally Deception Policy Statement, 
appended to Cliffdale Assoc., Inc., 103 FTC at 179 (1984). 5Sections 23.5(b)(4) (silver) and 23.6(b)(1) 
(platinum). 
6Section 23.3(b)(3). 
7Sections 23.3(b)(4), (5), (6), and (8), (c)(2) and (3) 
(gold); 23.5(b)(5) (silver); and 23.6(b)(2) (platinum). 
8These examples are also referred to as ‘‘safe 
harbor’’ guidance. 
9As proposed, the final Guides eliminate the safe 
harbor provision for ‘‘gold plate(d)’’ coatings applied by any method and transfer this term to guidance that separately addresses electrolytic and mechanical applications. 
10Section 23.3(c)(2). As explained in the SBP, the 
Guides advise a minimum weight ratio, rather than the previously proposed coating thickness, based on new evidence indicating that 1/40th provides the durability consumers expect. FEDERAL TRADE COMMISSION 
16 CFR Part 23 Guides for the Jewelry, Precious 
Metals, and Pewter Industries 
AGENCY : Federal Trade Commission. 
ACTION : Final rule; adoption of revised 
guides. 
SUMMARY : The Federal Trade 
Commission (‘‘FTC’’ or ‘‘Commission’’) adopts revised Guides for the Jewelry, Precious Metals, and Pewter Industries (‘‘Jewelry Guides’’ or ‘‘Guides’’). This document summarizes the Commission’s revisions to the previous Guides and includes the final Guides as revised. Readers can find the Commission’s complete analysis in the Statement of Basis and Purpose (‘‘SBP’’) on the FTC’s website at https://www.ftc.gov/public-statements/2018/07/ statement-basis-purpose-final-revisions- jewelry-guides. 
DATES : Effective on August 16, 2018. 
FOR FURTHER INFORMATION CONTACT : 
Reenah L. Kim, Attorney, (202) 326– 2272, Division of Enforcement, Bureau of Consumer Protection, Federal Trade Commission, 600 Pennsylvania Avenue NW, Washington, DC 20580. 
SUPPLEMENTARY INFORMATION : As part of 
its comprehensive review of the Jewelry Guides, the Commission reviewed public comments and the transcript of a public roundtable. The Commission developed its final guidance in accordance with Section 5 of the Federal Trade Commission Act (‘‘FTC Act’’), which prohibits deceptive or unfair acts or practices.
1The Guides 
focus on advising marketers how to make non-deceptive claims about jewelry products, rather than preventing unfair practices.
2Under Section 5, an 
act or practice is deceptive if it involves a material statement or omission that would mislead a consumer acting reasonably under the circumstances.
3 
As administrative interpretations of 
Section 5, the Commission’s Jewelry Guides are not intended to be stricter than Section 5. Rather, they provide the Commission’s interpretation of Section 5 as applied to jewelry marketing, to 
help marketers avoid deceptive practices. To comply with Section 5, marketers must consider how reasonable consumers will view their claims as a whole, assessing the net impression conveyed by all elements (including the text, product names, and depictions).
4 
When the Commission issues or 
revises an industry guide, it is providing 
an administrative interpretation of laws it administers, including Section 5’s prohibition on unfair and deceptive acts or practices in or affecting commerce. The Commission provides its administrative interpretation based on information submitted and any other information available, including consumer perception evidence whenever possible, analyzing the information through the reasonable person standard first set forth in the Deception Policy Statement in 1983, and the unfairness standard, first set forth in the Unfairness Policy Statement announced in 1984 and codified in Section 5(n) of the FTC Act. Applying the reasonable consumer standard supported by consumer perception evidence as the Commission revises the Jewelry Guides (which originally predated the two policy statements) enhances the protection of consumers from the harm of false or misleading claims in jewelry marketing and fosters truthful, non-misleading claims in jewelry marketing that are beneficial to consumers and competition. Based on this framework, the Commission now 
makes several modifications and additions to the previous Guides and adopts the resulting revised Guides as final. Specifically, the Commission revises the following areas: (I) Surface application of precious metals; (II) alloys with precious metals in amounts below minimum thresholds; (III) products containing more than one precious metal; (IV) composite gemstone products; (V) varietals; (VI) ‘‘cultured’’ diamonds; (VII) qualifying claims about man-made gemstones; (VIII) pearl treatment disclosures; (IX) use of the term ‘‘gem’’; (X) misleading illustrations; (XI) diamond definition; and (XII) exemptions recognized in the assay for gold, silver, and platinum. Finally, the Commission does not expand the existing Guides to address certain products and claims as requested by commenters. Surface Application of Precious Metals 
The final Guides include several 
revisions addressing precious metal 
surface applications. First, based on the comments, the Guides now caution marketers against using silver or platinum terms to describe all or part of a coated product unless they adequately qualify the term to indicate the product has only a surface layer of the advertised precious metal.
5The Guides 
retain similar guidance advising marketers not to use gold terms to describe coated products or parts unless the term is qualified to convey that the gold is only on the surface.
6 
Second, for sellers choosing to 
advertise their products’ precious metal coatings, the final Guides advise how to do so non-deceptively. Specifically, they advise marketers advertising their product’s gold, silver, or platinum coating to assure its reasonable durability. In this context, ‘‘reasonable 
durability’’ means ‘‘all areas of the plating are sufficiently thick to assure coverage that reasonable consumers would expect from the surface application.’’
7 
Third, based on new durability 
testing, the final Guides include revised examples of non-deceptive markings and descriptions for gold surface applications that are reasonably durable.
8For electrolytic applications, 
the Guides retain the same thickness and karat fineness amounts as the previous Guides, but no longer advise marketers they may non-deceptively use ‘‘gold flashed’’ and ‘‘gold washed’’ for products with an electroplating that does not have a minimum thickness throughout equivalent to 0.175 microns (approximately 7/1,000,000ths of an inch) of fine gold. For mechanical applications, the Guides now advise a 1/ 40th minimum weight ratio for non- deceptive use of the terms ‘‘gold plate(d),’’
9‘‘gold overlay,’’ ‘‘rolled gold 
plate.’’10In addition, the Guides retain 
existing guidance advising a 1/20th weight ratio for ‘‘gold filled’’ products, and the guidance advising marketers to 
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11Section 23.3(c)(2). As proposed, the final 
Guides eliminate a note concerning outdated terms 
(e.g., ‘‘Duragold,’’ ‘‘Diragold’’) which commenters 
agreed are no longer used. However, they do not set standards for new coating terms (e.g., ‘‘clad,’’ 
‘‘bonded’’) or other precious metal coatings such as silver or platinum. 
12Sections 23.3(b)(1) and (2) (gold); 23.5(b)(1) 
(silver); and 23.6(b)(3) (platinum). In addition, based on the comments, the Guides now include karat fineness disclosures in the description and marking examples for gold electrolytic applications, consistent with the examples for mechanical applications. Section 23.3(b)(5), (6), and (8); 23.3(c)(2) and (3). 
13Rhodium is a platinum group metal often used 
to enhance the white color of silver and white gold jewelry. Section 23.7. 
14Section 23.3(b)(2). 15Section 23.5(b)(1). 
16Section 23.5(b)(2). 
17Section 23.5(b)(3). 18Section 23.25(d). disclose weight ratio when using ‘‘gold 
overlay’’ or ‘‘rolled gold plate’’ for products below 1/20th.
11 
Fourth, the final Guides advise 
marketers to disclose the purity of coatings made with a gold, silver, or platinum alloy. The Guides already caution marketers against unqualified use of ‘‘gold,’’ ‘‘silver,’’ or ‘‘platinum’’ to describe alloys containing less than 24K gold, 925 PPT silver, or 950 PPT 
platinum. To clarify that this guidance applies equally to products coated with a gold, silver, or platinum alloy, the Commission amends the guidance to advise that marketers qualify their use of gold, silver, or platinum terms to describe ‘‘all or part’’ of a product, ‘‘including the surface layer of a coated product,’’ with equally conspicuous, accurate purity disclosures.
12 
Finally, the final Guides advise 
marketers to disclose rhodium coatings over products advertised as precious metal, such as rhodium-plated items marketed as ‘‘white gold’’ or silver.
13 
Below-Threshold Precious Metal Alloys 
The previous Guides cautioned 
marketers against using the words ‘‘gold,’’ ‘‘silver,’’ ‘‘platinum,’’ or their abbreviations to describe or mark a product unless it contained the precious metal in an amount that met or exceeded specified thresholds. The final Guides remove the thresholds for gold and silver alloys because new evidence indicates they are no longer necessary to prevent deception. Specifically, the final Guides now advise marketers they may use gold terms to describe a product or part thereof composed throughout of gold alloy—whether above or below 10 karats—if they qualify the term with an equally conspicuous, accurate karat fineness disclosure.
14The final Guides also 
advise marketers they may use ‘‘silver’’ to describe a product or part thereof composed throughout of an alloy containing less than 925 parts per thousand (PPT), as long as an equally conspicuous, accurate PPT designation 
immediately precedes the silver term.
15 
These changes will give marketers greater flexibility in providing accurate information about their products’ content. 
However, the final Guides retain the 
guidance advising a 925 PPT threshold for ‘‘solid silver,’’ ‘‘Sterling Silver,’’ 
‘‘Sterling,’’ and the ‘‘Ster.’’ Abbreviation,
16and reserving ‘‘coin’’ 
and ‘‘coin silver’’ for products that are 900 PPT,
17based on their longstanding 
use and therefore probable consumer understanding. Rather than merely signaling the presence of silver, these terms likely denote specific purity levels (e.g., that ‘‘coin silver’’ contains 
less silver than ‘‘sterling silver’’). In addition, the Guides retain the existing platinum alloy guidance without change because the record indicates that, unlike gold and silver, which have traditionally been mixed with base metals to create jewelry, consumers expect platinum products to be substantially composed of pure platinum. 
Products Containing More Than One 
Precious Metal 
Based on consumer perception 
evidence, the final Guides contain a new section (Section 23.8), which states it is unfair or deceptive to misrepresent the relative quantity of each precious metal in a product that contains more than one precious metal, and provides examples of markings and descriptions of terms that may be misleading (e.g., use of the term ‘‘Platinum + Silver’’ to describe a product that contains more silver than platinum by weight). This guidance generally advises marketers to list precious metals in the order of their relative weight in the product from greatest to least. Marketers, however, may list metals in a different order if the context makes clear that the metal listed first is not predominant (e.g., ‘‘14k gold- 
accented silver’’), and the Guides provide illustrative examples of such contexts. 
Composite Gemstone Products 
Based on the record, the final Guides 
contain new guidance in Section 23.25 
to address increased prevalence of deceptive claims resulting from the marketing of composite gemstone products made with gemstone material and any amount of filler or binder, such as lead glass. Specifically, this guidance cautions marketers not to use an unqualified gemstone name to describe these products, and advises against 
calling them ‘‘treated [gemstone name].’’ It also cautions against using the unqualified terms ‘‘composite [gemstone name],’’ ‘‘hybrid [gemstone name],’’ or ‘‘manufactured [gemstone name]’’ unless the term is qualified to disclose clearly and conspicuously that the product: (a) Does not have the same characteristics as the named stone; and (b) requires special care. The final Guides further recommend that the seller disclose the special care requirements to the purchaser.
18 
Varietals 
Based on consumer perception 
evidence, Section 23.26 contains new guidance stating it is unfair or deceptive to mark or describe a product with an incorrect varietal name. Varietal names describe a division of gem species or genus based on color, type of optical phenomenon, or other distinguishing characteristic of appearance (e.g., crystal 
structure). To help sellers avoid making deceptive claims, this section also provides two examples of markings or descriptions that may be misleading: (a) Use of the term ‘‘yellow emerald’’ to describe a golden beryl or heliodor, and (b) use of the term ‘‘green amethyst’’ to describe prasiolite. 
‘‘Cultured’’ Diamonds 
The final Guides include new 
guidance addressing use of the word 
‘‘cultured’’ to describe laboratory- created diamonds. Based on consumer perception evidence showing marketers can effectively qualify the term, Section 23.12(c)(3) advises them to qualify their 
use of ‘‘cultured’’ by disclosing clearly and conspicuously that the product is not a mined stone. Additionally, the record indicates that marketers can effectively qualify the term ‘‘cultured diamond’’ in some circumstances even when the Guides’ suggested disclosures (‘‘laboratory-created,’’ ‘‘laboratory- grown,’’ ‘‘[manufacturer-name]- created’’) do not appear in immediate conjunction to the term. For example, some lab-created diamond sellers may choose to emphasize their products’ man-made nature in advertisements targeting consumers seeking diamonds that are not traditionally mined. Therefore, to provide greater flexibility, the final Guides advise that marketers may qualify their ‘‘cultured diamond’’ claim with words or phrases similar to those detailed in the Guides. Moreover, these marketers do not need to make these qualifying disclosures immediately adjacent to the word ‘‘cultured,’’ provided they disclose 
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19This new section tracks the existing guidance 
regarding gemstone treatments. 20The distinctions between these lab-created 
diamonds and mined stones are addressed 
elsewhere in the Guides. See Sections 23.12(c)(3) 
and 23.25. 
21Furthermore, the Commission removes an 
outdated provision in paragraph (e) of the Appendix regarding platinum. The provision listed additional exemptions for items marked in accordance with guidance that once addressed products containing less than 500 PPT platinum. Because the Commission eliminated this guidance 
in a prior proceeding, the corresponding list of assay exemptions is no longer necessary. See 62 FR 
16669, 16674 (Apr. 8, 1997). The final Appendix therefore retains the exemptions for platinum products, but does not include additional exemptions for products with less than 500 PPT. 
22The Commission does, however, add precious 
metal clays, ingots, and casting grain to the ‘‘raw materials’’ listed in the Note to this section (Section 23.2). 23Additionally, the Commission declines to make 
changes regarding the use of parts per thousand, 
instead of karats, for gold content disclosures. clearly and conspicuously that the 
product is not a mined stone. 
Qualifying Claims About Man-Made 
Gemstones 
To provide marketers greater 
flexibility, the final Guides also include revisions to the guidance regarding the use of gemstone names generally (Section 23.25(b)). This amended guidance now advises marketers of man- made gemstones sharing the same optical, physical, and chemical properties as the named stone that they may use words or phrases other than the ones listed in the previous Guides (‘‘laboratory-grown,’’ ‘‘laboratory- created,’’ ‘‘[manufacturer name]- created,’’ ‘‘synthetic’’) if they clearly and conspicuously convey that the product is not a mined stone. 
Treatments to Pearl Products 
Based on the comments, the final 
Guides include a new section (Section 
23.23) advising that marketers disclose clearly and conspicuously treatments to pearls and cultured pearls that: (a) Are not permanent, (b) create special care requirements, or (c) significantly affect value.
19 
Use of the Term ‘‘Gem’’ 
The final Guides eliminate two 
provisions that discussed use of the word ‘‘gem’’ because they are not necessary to prevent deception. Specifically, the final Guides do not include the former Section 23.25 (Misuse of the word ‘‘gem’’) and Section 23.20(j) (misuse of the word ‘‘gem’’ as to pearls). Instead, they include the term ‘‘gem’’ in Section 23.25 (Misuse of the words ‘‘ruby,’’ ‘‘sapphire,’’ ‘‘emerald,’’ ‘‘topaz, ‘‘stone,’’ ‘‘birthstone,’’ ‘‘gemstone,’’ etc.). 
Misleading Illustrations 
To streamline the guidance, the final 
Guides also eliminate a section that 
discussed misleading illustrations (former Section 23.2) because it provided guidance already addressed in other areas: Section 23.1 (Deception (general)) and Section 23.0 (Scope and application). To preserve its specific guidance regarding diamond illustrations and gemstone size, however, the former Note to Section 23.2 has been transferred to Section 23.1. 
Diamond Definition 
Based on changes in the market, the 
final Guides eliminate the word 
‘‘natural’’ from the definition of diamond in Section 23.12(a) because 
lab-created products that have essentially the same optical, physical, and chemical properties as mined diamonds are also diamonds.
20 
Exemptions in the Assay for Gold, Silver, and Platinum 
Based on the comments, the final 
Guides add bracelet and necklace snap 
tongues to the exempted items listed in the Appendix for gold alloy products and for products made of silver in combination with gold. These items are already included in the exemptions for mechanically-coated gold products, silver products, and platinum products. Thus, with this revision, bracelet and necklace snap tongues appear in each section addressing assay exemptions.
21 
Products and Claims Not Addressed 
The final Guides do not make some 
revisions that commenters sought. 
Specifically, the final Guides do not expand the existing guidance to address products made with palladium, use of the term ‘‘natural’’ to describe treated gemstones, or the use of geographic and regional identifiers because the evidence does not demonstrate that amendments are necessary to prevent deception. For the same reason, the Commission declines to make revisions addressing diamond-related issues such as use of the terms ‘‘blue white,’’ ‘‘ethical’’ and ‘‘conflict free,’’ as well as grading and appraisals. Furthermore, the final Guides do not expand the guidance regarding ‘‘handmade’’ and similar terms specifically to include or exclude hand-cast items because the Commission lacks sufficient evidence on which to base new guidance.
22For 
the same reason, the Guides do not address whether marketers may non- deceptively describe ‘‘large-scale’’ and ‘‘mass’’ or ‘‘industrially’’ produced 
jewelry as ‘‘handmade.’’
23 
Conclusion 
For further analysis of comments and 
the final guidance, please see the SBP on the FTC’s website, available at https://www.ftc.gov/public-statements/ 2018/07/statement-basis-purpose-final- revisions-jewelry-guides. 
List of Subjects in 16 CFR Part 23 
Advertising, Jewelry, Labeling, 
Pewter, Precious metals, and Trade 
practices. 
■For the reasons set forth in the 
preamble, the Federal Trade Commission revises 16 CFR part 23 to read as follows: 
PART 23—GUIDES FOR THE 
JEWELRY, PRECIOUS METALS, AND PEWTER INDUSTRIES 
Sec. 
23.0 Scope and application. 23.1 Deception (general). 23.2 Misuse of the terms ‘‘handmade,’’ 
‘‘hand-polished,’’ etc. 
23.3 Misrepresentation as to gold content. 23.4 Misuse of the word ‘‘vermeil.’’ 23.5 Misrepresentation as to silver content. 23.6 Misuse of the words ‘‘platinum,’’ 
‘‘iridium,’’ ‘‘palladium,’’ ‘‘ruthenium,’’ ‘‘rhodium,’’ and ‘‘osmium.’’ 
23.7 Disclosure of surface-layer application 
of rhodium. 
23.8 Misrepresentation as to products 
containing more than one precious metal. 
23.9 Misrepresentation as to content of 
pewter. 
23.10 Additional guidance for the use of 
quality marks. 
23.11 Misuse of ‘‘corrosion proof,’’ ‘‘non- 
corrosive,’’ ‘‘corrosion resistant,’’ ‘‘rust proof,’’ ‘‘rust resistant,’’ etc. 
23.12 Definition and misuse of the word 
‘‘diamond.’’ 
23.13 Misuse of the words ‘‘flawless,’’ 
‘‘perfect,’’ etc. 
23.14 Disclosure of treatments to diamonds. 23.15 Misuse of the term ‘‘blue white.’’ 23.16 Misuse of the term ‘‘properly cut,’’ 
etc. 
23.17 Misuse of the words ‘‘brilliant’’ and 
‘‘full cut.’’ 
23.18 Misrepresentation of weight and 
‘‘total weight.’’ 
23.19 Definitions of various pearls. 23.20 Misuse of the word ‘‘pearl.’’ 23.21 Misuse of terms such as ‘‘cultured 
pearl,’’ ‘‘seed pearl,’’ ‘‘Oriental pearl,’’ ‘‘natura,’’ ‘‘kultured,’’ ‘‘real,’’ ‘‘gem,’’ ‘‘synthetic,’’ and regional designations. 
23.22 Misrepresentation as to cultured 
pearls. 
23.23 Disclosure of treatments to pearls and 
cultured pearls. 
23.24 Disclosure of treatments to 
gemstones. 
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24See paragraph (c) of this section for examples 
of acceptable markings and descriptions. 23.25 Misuse of the words ‘‘ruby,’’ 
‘‘sapphire,’’ ‘‘emerald,’’ ‘‘topaz,’’ 
‘‘stone,’’ ‘‘birthstone,’’ ‘‘gemstone,’’ etc. 
23.26 Misrepresentation as to varietal name. 23.27 Misuse of the words ‘‘real,’’ 
‘‘genuine,’’ ‘‘natural,’’ ‘‘precious,’’ etc. 
23.28 Misuse of the words ‘‘flawless,’’ 
‘‘perfect,’’ etc. 
Appendix to Part 23—Exemptions 
Recognized in the Assay for Quality of Gold Alloy, Gold Filled, Gold Overlay, Rolled Gold Plate, Silver, and Platinum Industry Products 
Authority: 15 U.S.C. 45, 46. 
§ 23.0 Scope and application. 
(a) The guides in this part apply to 
jewelry industry products, which include, but are not limited to, the following: Gemstones and their laboratory-created and imitation substitutes; natural and cultured pearls and their imitations; and metallic watch bands not permanently attached to watches. These guides also apply to 
articles, including optical frames, pens and pencils, flatware, and hollowware, fabricated from precious metals (gold, silver, and platinum group metals), precious metal alloys, and their imitations. These guides also apply to all articles made from pewter. For the purposes of these guides, all articles covered by these guides are defined as ‘‘industry products.’’ 
(b) These guides apply to persons, 
partnerships, or corporations, at every level of the trade (including but not limited to manufacturers, suppliers, and retailers) engaged in the business of offering for sale, selling, or distributing industry products. 
Note to Paragraph (b): To prevent 
consumer deception, persons, partnerships, 
or corporations in the business of appraising, identifying, or grading industry products should utilize the terminology and standards set forth in the guides. 
(c) These guides apply to claims and 
representations about industry products 
included in labeling, advertising, promotional materials, and all other forms of marketing, whether asserted directly or by implication, through words, symbols, emblems, logos, illustrations, depictions, product brand names, or through any other means. 
(d) These guides set forth the Federal 
Trade Commission’s current thinking about claims for jewelry and articles made from precious metals and pewter. The guides help marketers and other industry members avoid making claims that are unfair or deceptive under Section 5 of the FTC Act, 15 U.S.C. 45. They do not confer any rights on any person and do not operate to bind the FTC or the public. The Commission, however, may take action under the FTC Act if a marketer or other industry member makes a claim inconsistent 
with the guides. In any such enforcement action, the Commission 
must prove that the challenged act or practice is unfair or deceptive in violation of Section 5 of the FTC Act. 
(e) The guides consist of general 
principles, specific guidance on the use of particular claims for industry products, and examples. Claims may raise issues that are addressed by more than one example and in more than one section of the guides. The examples provide the Commission’s views on how reasonable consumers likely interpret certain claims. Industry members may use an alternative approach if the approach satisfies the requirements of Section 5 of the FTC Act. Whether a particular claim is deceptive will depend on the net impression of the advertisement, label, or other promotional material at issue. In addition, although many examples present specific claims and options for qualifying claims, the examples do not illustrate all permissible claims or qualifications under Section 5 of the FTC Act. 
§ 23.1 Deception (general). 
It is unfair or deceptive to 
misrepresent the type, kind, grade, quality, quantity, metallic content, size, weight, cut, color, character, treatment, substance, durability, serviceability, origin, price, value, preparation, production, manufacture, distribution, or any other material aspect of an industry product. 
Note 1 to § 23.1: If, in the sale or offering 
for sale of an industry product, any 
representation is made as to the grade assigned the product, the identity of the grading system used should be disclosed. 
Note 2 to § 23.1: To prevent deception, any 
qualifications or disclosures, such as those described in the guides, should be sufficiently clear and prominent. Clarity of language, relative type size and proximity to the claim being qualified, and an absence of contrary claims that could undercut effectiveness, will maximize the likelihood that the qualifications and disclosures are appropriately clear and prominent. 
Note 3 to § 23.1: An illustration or 
depiction of a diamond or other gemstone that portrays it in greater than its actual size may mislead consumers, unless a disclosure is made about the item’s true size. 
§ 23.2 Misuse of the terms ‘‘handmade,’’ 
‘‘hand-polished,’’ etc. 
(a) It is unfair or deceptive to 
represent, directly or by implication, 
that any industry product is handmade or hand-wrought unless the entire shaping and forming of such product from raw materials and its finishing and decoration were accomplished by hand labor and manually-controlled methods which permit the maker to control and vary the construction, shape, design, and finish of each part of each individual product. 
Note to Paragraph (a): As used herein, 
‘‘raw materials’’ include bulk sheet, strip, 
wire, precious metal clays, ingots, casting grain, and similar items that have not been cut, shaped, or formed into jewelry parts, semi-finished parts, or blanks. 
(b) It is unfair or deceptive to 
represent, directly or by implication, 
that any industry product is hand- forged, hand-engraved, hand-finished, or hand-polished, or has been otherwise hand-processed, unless the operation described was accomplished by hand labor and manually-controlled methods which permit the maker to control and vary the type, amount, and effect of such operation on each part of each individual product. 
§ 23.3 Misrepresentation as to gold 
content. 
(a) It is unfair or deceptive to 
misrepresent the presence of gold or 
gold alloy in an industry product, or the quantity or karat fineness of gold or gold alloy contained in the product, or the karat fineness, thickness, weight ratio, or manner of application of any gold or gold alloy plating, covering, or coating on any surface of an industry product or part thereof. 
(b) The following are examples of 
markings or descriptions that may be misleading:
24 
(1) Use of the word ‘‘Gold’’ or any 
abbreviation, without qualification, to describe all or part of an industry product, including the surface layer of a coated product, which is not composed throughout of fine (24 karat) gold. 
(2) Use of the word ‘‘Gold’’ or any 
abbreviation to describe all or part of an industry product (including the surface layer of a coated product) composed throughout of an alloy of gold (i.e., gold 
that is less than 24 karats), unless a correct designation of the karat fineness of the alloy immediately precedes the word ‘‘Gold’’ or its abbreviation, and such fineness designation is of at least equal conspicuousness. 
(3) Use of the word ‘‘Gold’’ or any 
abbreviation to describe all or part of an industry product that is not composed throughout of gold or a gold alloy, but is surface-plated or coated with gold alloy, unless the word ‘‘Gold’’ or its abbreviation is adequately qualified to 
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25For the purpose of this section, ‘‘reasonable 
durability’’ means that all areas of the plating are 
sufficiently thick to assure coverage that reasonable consumers would expect from the surface application. Since industry products include items having surfaces and parts of surfaces that are subject to different degrees of wear, the thickness of the surface application for all items or for different areas of the surface of individual items does not necessarily have to be uniform. 
26See footnote 2. 
27See footnote 2. 
28See footnote 2. 29See footnote 2. 30See footnote 2. 
31A product containing 1 micron (otherwise 
known as 1m) of 12 karat gold is equivalent to one- half micron of 24-karat gold. 
32Under the National Stamping Act, articles or 
parts made of gold or of gold alloy that contain no solder have a permissible tolerance of three parts per thousand. If the part tested contains solder, the permissible tolerance is seven parts per thousand. For full text, see 15 U.S.C. 295, et seq. indicate that the product or part is only 
surface-plated. 
(4) Marking, describing, or otherwise 
representing all or part of an industry product as being plated or coated with gold or gold alloy unless all significant surfaces of the product or part contain a plating or coating of gold or gold alloy that is of reasonable durability.
25 
(5) Use of the term ‘‘Gold Plate,’’ 
‘‘Gold Plated,’’ or any abbreviation to describe all or part of an industry product unless such product or part contains a surface-plating of gold alloy, applied by any process, which is of such thickness and extent of surface coverage that reasonable durability
26is assured, 
and unless the term is immediately preceded by a correct designation of the karat fineness of the alloy that is of at least equal conspicuousness as the term used. 
(6) Use of the terms ‘‘Gold Filled,’’ 
‘‘Rolled Gold Plate,’’ ‘‘Rolled Gold Plated,’’ ‘‘Gold Overlay,’’ or any abbreviation to describe all or part of an industry product unless such product or part contains a surface-plating of gold alloy applied by a mechanical process 
and of such thickness and extent of surface coverage that reasonable durability
27is assured, and unless the 
term is immediately preceded by a correct designation of the karat fineness of the alloy that is of at least equal conspicuousness as the term used. 
(7) Use of the terms ‘‘Gold Plate,’’ 
‘‘Gold Plated,’’ ‘‘Gold Filled,’’ ‘‘Rolled Gold Plate,’’ ‘‘Rolled Gold Plated,’’ ‘‘Gold Overlay,’’ or any abbreviation to describe a product in which the layer of gold plating has been covered with a base metal (such as nickel), which is covered with a thin wash of gold, unless there is a disclosure that the primary gold coating is covered with a base metal, which is gold washed. 
(8) Use of the term ‘‘Gold 
Electroplate,’’ ‘‘Gold Electroplated,’’ or any abbreviation to describe all or part of an industry product unless such product or part is electroplated with gold or a gold alloy and such electroplating is of such karat fineness, thickness, and extent of surface coverage that reasonable durability
28is 
assured, and unless the term is immediately preceded by a correct 
designation of the karat fineness of the alloy that is of at least equal conspicuousness as the term used. 
(9) Use of any name, terminology, or 
other term to misrepresent that an industry product is equal or superior to, or different than, a known and established type of industry product 
with reference to its gold content or method of manufacture. 
(c) The following are examples of 
markings and descriptions that are consistent with the principles described above: 
(1) An industry product or part 
thereof, composed throughout of an alloy of gold may be marked and described as ‘‘Gold’’ when such word ‘‘Gold,’’ wherever appearing, is immediately preceded by a correct designation of the karat fineness of the alloy, and such karat designation is of equal conspicuousness as the word ‘‘Gold’’ (for example, ‘‘14 Karat Gold,’’ ‘‘14 K. Gold,’’ ‘‘14 Kt. Gold,’’ ‘‘9 Karat Gold,’’ or ‘‘9 Kt. Gold’’). Such product may also be marked and described by a designation of the karat fineness of the gold alloy unaccompanied by the word ‘‘Gold’’ (for example, ‘‘14 Karat,’’ ‘‘14Kt.,’’ ‘‘14 K.,’’ or ‘‘9 K.’’). 
Note to Paragraph (c)(1): Use of the term 
‘‘Gold’’ or any abbreviation to describe all or 
part of a product that is composed throughout of gold alloy, but contains a hollow center or interior, may mislead consumers, unless the fact that the product contains a hollow center is disclosed in immediate proximity to the term ‘‘Gold’’ or its abbreviation (for example, ‘‘14 Karat Gold- Hollow Center,’’ or ‘‘14 K. Gold Tubing,’’ when of a gold alloy tubing of such karat fineness). Such products should not be marked or described as ‘‘solid’’ or as being solidly of gold or of a gold alloy. For example, when the composition of such a product is 14 karat gold alloy, it should not be described or marked as either ‘‘14 Kt. Solid Gold’’ or as ‘‘Solid 14 Kt. Gold.’’ 
(2) An industry product or part 
thereof on which there has been affixed 
on all significant surfaces by soldering, brazing, welding, or other mechanical means a plating of gold alloy of not less than 10 karat fineness and of reasonable durability
29may be marked or 
described as ‘‘Gold Plate,’’ ‘‘Gold Plated,’’ ‘‘Gold Overlay,’’ ‘‘Rolled Gold Plate,’’ ‘‘Rolled Gold Plated,’’ or an adequate abbreviation, when such plating constitutes at least 1/40th of the weight of the metal in the entire article and when the term is immediately preceded by a designation of the karat fineness of the plating which is of equal conspicuousness as the term used (for example, ‘‘14 Kt. Gold Overlay,’’ or ‘‘14K. R.G.P.’’). When such plating constitutes at least 1/20th of the weight of the metal in the entire article, the term ‘‘Gold Filled’’ may be used. The terms ‘‘Gold Overlay,’’ ‘‘Rolled Gold Plate,’’ and ‘‘Rolled Gold Plated’’ may be used when the karat fineness designation is immediately preceded by a fraction accurately disclosing the portion of the weight of the metal in the entire article accounted for by the plating, and when such fraction is of equal conspicuousness as the term used (for example, ‘‘1/40th 12 Kt. Rolled Gold Plate’’ or ‘‘1/40 12 Kt. R.G.P.’’). 
(3) An industry product or part 
thereof on which there has been affixed on all significant surfaces by an electrolytic process an electroplating of gold, or of a gold alloy of not less than 10 karat fineness, which is of reasonable durability
30and has a minimum 
thickness throughout equivalent to 0.175 microns (approximately 7/ 1,000,000ths of an inch) of fine gold,
31 
may be marked or described as ‘‘Gold Plate,’’ ‘‘Gold Plated,’’ ‘‘Gold Electroplate’’ or ‘‘Gold Electroplated,’’ or so abbreviated, if the term is immediately preceded by a designation of the karat fineness of the plating which is of equal conspicuousness as the term used (e.g., ‘‘12 Karat Gold 
Electroplate’’ or ‘‘12K G.E.P.’’). When the electroplating is of the minimum fineness specified above and of a minimum thickness throughout equivalent to two and one half (2
1⁄2) 
microns (or approximately 100/ 1,000,000ths of an inch) of fine gold, the marking or description may be ‘‘Heavy Gold Electroplate’’ or ‘‘Heavy Gold Electroplated.’’ When electroplatings qualify for the term ‘‘Gold Electroplate’’ (or ‘‘Gold Electroplated’’), or the term ‘‘Heavy Gold Electroplate’’ (or ‘‘Heavy Gold Electroplated’’), and have been applied by use of a particular kind of electrolytic process, the marking may be accompanied by identification of the process used, as for example, ‘‘Gold Electroplated (X Process)’’ or ‘‘Heavy Gold Electroplated (Y Process).’’ 
(d) The provisions of this section 
relating to markings and descriptions of industry products and parts thereof are subject to the applicable tolerances of the National Stamping Act or any amendment thereof.
32 
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33See footnote 2. 34See footnote 2. 
35Under the National Stamping Act, sterling 
silver articles or parts that contain no solder have 
a permissible tolerance of four parts per thousand. If the part tested contains solder, the permissible tolerance is ten parts per thousand. For full text, see 15 U.S.C. 294, et seq. 
36See paragraph (c) of this section for examples 
of acceptable markings and descriptions. 37See footnote 2. Note to Paragraph (d): Exemptions 
recognized in the assay of karat gold industry 
products and in the assay of gold filled, gold overlay, and rolled gold plate industry products, and not to be considered in any assay for quality, are listed in the appendix. 
§ 23.4 Misuse of the word ‘‘vermeil.’’ 
(a) It is unfair or deceptive to 
represent, directly or by implication, 
that an industry product is ‘‘vermeil’’ if such mark or description misrepresents the product’s true composition. 
(b) An industry product may be 
described or marked as ‘‘vermeil’’ if it consists of a base of sterling silver coated or plated on all significant surfaces with gold, or gold alloy of not less than 10 karat fineness, that is of reasonable durability
33and a minimum 
thickness throughout equivalent to two and one half (2
1⁄2) microns (or 
approximately 100/1,000,000ths of an inch) of fine gold. 
Note 1 to § 23.4: It is unfair or deceptive 
to use the term ‘‘vermeil’’ to describe a 
product in which the sterling silver has been covered with a base metal (such as nickel) plated with gold unless there is a disclosure that the sterling silver is covered with a base metal that is plated with gold. 
Note 2 to § 23.4: Exemptions recognized in 
the assay of gold filled, gold overlay, and rolled gold plate industry products are listed in the appendix. 
§ 23.5 Misrepresentation as to silver 
content. 
(a) It is unfair or deceptive to 
misrepresent that an industry product 
contains silver, or to misrepresent an industry product as having a silver content, plating, electroplating, or coating. 
(b) The following are examples of 
markings or descriptions that may be misleading: 
(1) Use of the unqualified word 
‘‘silver’’ to mark, describe, or otherwise represent all or part of an industry product, including the surface layer of a coated product, unless an equally conspicuous, accurate quality fineness designation indicating the pure silver content in parts per thousand immediately precedes the term (e.g., ‘‘750 silver’’). 
(2) Use of the words ‘‘solid silver,’’ 
‘‘Sterling Silver,’’ ‘‘Sterling,’’ or the abbreviation ‘‘Ster.’’ to mark, describe, or otherwise represent all or part of an industry product unless it is at least 925/1,000ths pure silver. 
(3) Use of the words ‘‘coin’’ or ‘‘coin 
silver’’ to mark, describe, or otherwise represent all or part of an industry product unless it is at least 900/1,000ths pure silver. 
(4) Use of the word ‘‘silver’’ to mark, 
describe, or otherwise represent all or part of an industry product that is not composed throughout of silver, but has a surface layer or coating of silver, unless the term is adequately qualified to indicate that the product or part is only coated. 
(5) Marking, describing, or otherwise 
representing all or part of an industry product as being plated or coated with silver unless all significant surfaces of the product or part contain a plating or coating of silver that is of reasonable durability.
34 
(c) The provisions of this section 
relating to markings and descriptions of industry products and parts thereof are subject to the applicable tolerances of the National Stamping Act or any amendment thereof.
35 
Note 1 to § 23.5: The National Stamping 
Act provides that silver plated articles shall 
not ‘‘be stamped, branded, engraved or imprinted with the word ‘sterling’ or the word ‘coin,’ either alone or in conjunction with other words or marks.’’ 15 U.S.C. 297(a). 
Note 2 to § 23.5: Exemptions recognized in 
the assay of silver industry products are listed in the appendix. 
§ 23.6 Misuse of the words ‘‘platinum,’’ 
‘‘iridium,’’ ‘‘palladium,’’ ‘‘ruthenium,’’ ‘‘rhodium,’’ and ‘‘osmium.’’ 
(a) It is unfair or deceptive to use the 
words ‘‘platinum,’’ ‘‘iridium,’’ 
‘‘palladium,’’ ‘‘ruthenium,’’ ‘‘rhodium,’’ and ‘‘osmium,’’ or any abbreviation to mark or describe all or part of an industry product if such marking or description misrepresents the product’s true composition. The Platinum Group Metals (PGM) are Platinum, Iridium, Palladium, Ruthenium, Rhodium, and Osmium. 
(b) The following are examples of 
markings or descriptions that may be misleading:
36 
(1) Use of the word ‘‘Platinum’’ or any 
abbreviation to describe all or part of a product that is not composed throughout of platinum, but has a surface layer or coating of platinum, unless the word ‘‘Platinum’’ or its abbreviation is adequately qualified to indicate that the product or part is only coated. (2) Marking, describing, or otherwise 
representing all or part of an industry 
product as being plated or coated with platinum unless all significant surfaces of the product or part contain a plating or coating of platinum that is of reasonable durability.
37 
(3) Use of the word ‘‘Platinum’’ or any 
abbreviation, without qualification, to describe all or part of an industry product (including the surface layer of a coated product) that is not composed throughout of 950 parts per thousand pure Platinum. 
(4) Use of the word ‘‘Platinum’’ or any 
abbreviation accompanied by a number indicating the parts per thousand of pure Platinum contained in the product without mention of the number of parts per thousand of other PGM contained in the product, to describe all or part of an industry product that is not composed throughout of at least 850 parts per thousand pure platinum, for example, ‘‘600Plat.’’ 
(5) Use of the word ‘‘Platinum’’ or any 
abbreviation thereof, to mark or describe any product that is not composed throughout of at least 500 parts per thousand pure Platinum. 
(6) Use of the word ‘‘Platinum,’’ or 
any abbreviation accompanied by a number or percentage indicating the parts per thousand of pure Platinum contained in the product, to describe all or part of an industry product that 
contains at least 500 parts per thousand, but less than 850 parts per thousand, pure Platinum, and does not contain at least 950 parts per thousand PGM (for example, ‘‘585 Plat.’’) without a clear and conspicuous disclosure, immediately following the name or description of such product: 
(i) Of the full composition of the 
product (by name and not abbreviation) and percentage of each metal; and 
(ii) That the product may not have the 
same attributes or properties as traditional platinum products. Provided, however, that the marketer need not 
make disclosure under this paragraph (b)(6)(ii), if the marketer has competent and reliable scientific evidence that such product does not differ materially from any one product containing at least 850 parts per thousand pure Platinum with respect to the following attributes or properties: Durability, luster, density, scratch resistance, tarnish resistance, hypoallergenicity, ability to be resized or repaired, retention of precious metal over time, and any other attribute or property material to consumers. 
Note to Paragraph (b)(6): When using 
percentages to qualify platinum 
representations, marketers should convert the 
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amount in parts per thousand to a percentage 
that is accurate to the first decimal place (e.g., ‘‘58.5% Platinum, 41.5% Cobalt’’). 
(c) The following are examples of 
markings and descriptions that are not considered unfair or deceptive: 
(1) The following abbreviations for 
each of the PGM may be used for quality 
marks on articles: ‘‘Plat.’’ or ‘‘Pt.’’ for Platinum; ‘‘Irid.’’ or ‘‘Ir.’’ for Iridium; ‘‘Pall.’’ or ‘‘Pd.’’ for Palladium; ‘‘Ruth.’’ or ‘‘Ru.’’ for Ruthenium; ‘‘Rhod.’’ or ‘‘Rh.’’ for Rhodium; and ‘‘Osmi.’’ or ‘‘Os.’’ for Osmium. 
(2) An industry product consisting of 
at least 950 parts per thousand pure Platinum may be marked or described as ‘‘Platinum.’’ 
(3) An industry product consisting of 
850 parts per thousand pure Platinum, 900 parts per thousand pure Platinum, or 950 parts per thousand pure Platinum may be marked ‘‘Platinum,’’ provided that the Platinum marking is preceded by a number indicating the amount in parts per thousand of pure Platinum (for industry products consisting of 950 parts per thousand pure Platinum, the marking described in § 23.7(b)(2) above is also appropriate). Thus, the following markings may be used: ‘‘950Pt.,’’ ‘‘950Plat.,’’ ‘‘900Pt.,’’ ‘‘900Plat.,’’ ‘‘850Pt.,’’ or ‘‘850Plat.’’ 
(4) An industry product consisting of 
at least 950 parts per thousand PGM, and of at least 500 parts per thousand pure Platinum, may be marked ‘‘Platinum,’’ provided that the mark of each PGM constituent is preceded by a number indicating the amount in parts per thousand of each PGM (e.g., ‘‘600Pt.350Ir.,’’ ‘‘600Plat.350Irid.,’’ ‘‘550Pt.350Pd.50Ir.,’’ or ‘‘550Plat.350Pall.50Irid’’). 
(5) An industry product consisting of 
at least 500 parts per thousand, but less than 850 parts per thousand, pure Platinum, and not consisting of at least 950 parts per thousand PGM, may be marked or stamped accurately, with a quality marking on the article, using parts per thousand and standard chemical abbreviations (e.g., ‘‘585 Pt., 
415 Co.’’). 
Note to § 23.6: Exemptions recognized in 
the assay of platinum industry products are 
listed in the appendix. 
§ 23.7 Disclosure of surface-layer 
application of rhodium. 
It is unfair or deceptive to fail to 
disclose a surface-layer application of 
rhodium on products marked or described as precious metal. 
§ 23.8 Misrepresentation as to products 
containing more than one precious metal. 
(a) It is unfair or deceptive to 
misrepresent the relative quantity of each precious metal in a product that 
contains more than than one precious metal. Marketers should list precious metals in the order of their relative weight in the product from greatest to least (i.e., leading with the predominant 
metal). Listing precious metals in order of relative weight is not necessary where it is clear to reasonable consumers from context that the metal listed first is not predominant. 
(b) The following are examples of 
markings or descriptions that may be misleading: 
(1) Use of the terms ‘‘Platinum + 
Silver’’ to describe a product that contains more silver than platinum by weight. 
(2) Use of the terms ‘‘14K/Sterling’’ to 
describe a product that contains more silver than gold by weight. 
(c) The following are examples of 
markings and descriptions that are not considered unfair or deceptive: 
(1) For a product comprised primarily 
of silver with a surface-layer application of platinum, ‘‘900 platinum over silver.’’ 
(2) For a product comprised primarily 
of silver with visually distinguishable parts of gold, ‘‘14k gold-accented silver.’’ 
(3) For a product comprised primarily 
of gold with visually distinguishable parts of platinum, ‘‘850 Platinum inset, 14K gold ring.’’ 
§ 23.9 Misrepresentation as to content of 
pewter. 
(a) It is unfair or deceptive to mark, 
describe, or otherwise represent all or 
part of an industry product as ‘‘Pewter’’ or any abbreviation if such mark or description misrepresents the product’s true composition. 
(b) An industry product or part 
thereof may be described or marked as ‘‘Pewter’’ or any abbreviation if it consists of at least 900 parts per 1,000 Grade A Tin, with the remainder composed of metals appropriate for use in pewter. 
§ 23.10 Additional guidance for the use of 
quality marks. 
As used in these guides, the term 
quality mark means any letter, figure, 
numeral, symbol, sign, word, or term, or any combination thereof, that has been stamped, embossed, inscribed, or otherwise placed on any industry product and which indicates or suggests that any such product is composed throughout of any precious metal or any precious metal alloy or has a surface or surfaces on which there has been plated or deposited any precious metal or precious metal alloy. Included are the words ‘‘gold,’’ ‘‘karat,’’ ‘‘carat,’’ ‘‘silver,’’ ‘‘sterling,’’ ‘‘vermeil,’’ ‘‘platinum,’’ ‘‘iridium,’’ ‘‘palladium,’’ ‘‘ruthenium,’’ ‘‘rhodium,’’ or ‘‘osmium,’’ or any abbreviations thereof, whether used alone or in conjunction with the words ‘‘filled,’’ ‘‘plated,’’ ‘‘overlay,’’ or ‘‘electroplated,’’ or any abbreviations thereof. Quality markings include those in which the words or terms ‘‘gold,’’ ‘‘karat,’’ ‘‘silver,’’ ‘‘vermeil,’’ ‘‘platinum’’ (or platinum group metals), or their abbreviations are included, either separately or as suffixes, prefixes, or syllables. 
(a) Deception as to applicability of 
marks. (1) If a quality mark on an 
industry product is applicable to only part of the product, the part of the product to which it is applicable (or inapplicable) should be disclosed when, absent such disclosure, the location of the mark misrepresents the product or part’s true composition. 
(2) If a quality mark is applicable to 
only part of an industry product, but not another part which is of similar surface appearance, each quality mark should be closely accompanied by an identification of the part or parts to which the mark is applicable. 
(b) Deception by reason of difference 
in the size of letters or words in a marking or markings. It is unfair or deceptive to place a quality mark on a product in which the words or letters appear in greater size than other words or letters of the mark, or when different markings placed on the product have different applications and are in different sizes, when the net impression of any such marking would be misleading as to the metallic composition of all or part of the product. (An example of improper marking would be the marking of a gold electroplated product with the word ‘‘electroplate’’ in small type and the word ‘‘gold’’ in larger type, with the result that purchasers and prospective purchasers of the product might only observe the word ‘‘gold.’’) 
Note 1 to § 23.10: Legibility of markings. If 
a quality mark is engraved or stamped on an 
industry product, or is printed on a tag or label attached to the product, the quality mark should be of sufficient size type as to be legible to persons of normal vision, should be so placed as likely to be observed by purchasers, and should be so attached as to remain thereon until consumer purchase. 
Note 2 to § 23.10: Disclosure of identity of 
manufacturers, processors, or distributors. The National Stamping Act provides that any person, firm, corporation, or association, being a manufacturer or dealer subject to section 294 of the Act, who applies or causes to be applied a quality mark, or imports any article bearing a quality mark ‘‘which indicates or purports to indicate that such article is made in whole or in part of gold 
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or silver or of an alloy of either metal’’ shall 
apply to the article the trademark or name of such person. 15 U.S.C. 297. 
§ 23.11 Misuse of ‘‘corrosion proof,’’ 
‘‘noncorrosive,’’ ‘‘corrosion resistant,’’ ‘‘rust 
proof,’’ ‘‘rust resistant,’’ etc. 
(a) It is unfair or deceptive to: 
(1) Use the terms ‘‘corrosion proof,’’ 
‘‘noncorrosive,’’ ‘‘rust proof,’’ or any 
other term of similar meaning to describe an industry product unless all parts of the product will be immune from rust and other forms of corrosion during the life expectancy of the product; or 
(2) Use the terms ‘‘corrosion 
resistant,’’ ‘‘rust resistant,’’ or any other term of similar meaning to describe an industry product unless all parts of the product are of such composition as to not be subject to material damage by corrosion or rust during the major portion of the life expectancy of the product under normal conditions of use. 
(b) Among the metals that may be 
considered as corrosion (and rust) resistant are: Pure nickel; gold alloys of not less than 10 Kt. fineness; and austenitic stainless steels. 
§ 23.12 Definition and misuse of the word 
‘‘diamond.’’ 
(a) A diamond is a mineral consisting 
essentially of pure carbon crystallized in 
the isometric system. It is found in many colors. Its hardness is 10; its specific gravity is approximately 3.52; and it has a refractive index of 2.42. 
(b) It is unfair or deceptive to use the 
unqualified word ‘‘diamond’’ to describe or identify any object or product not meeting the requirements specified in the definition of diamond provided above, or which, though meeting such requirements, has not been symmetrically fashioned with at least seventeen (17) polished facets. 
Note to Paragraph (b): It is unfair or 
deceptive to represent, directly or by 
implication, that industrial grade diamonds or other non-jewelry quality diamonds are of jewelry quality. 
(c) The following are examples of 
descriptions that are not considered 
unfair or deceptive: 
(1) The use of the words ‘‘rough 
diamond’’ to describe or designate uncut or unfaceted objects or products satisfying the definition of diamond provided above; or 
(2) The use of the word ‘‘diamond’’ to 
describe or designate objects or products satisfying the definition of diamond but which have not been symmetrically fashioned with at least seventeen (17) polished facets when, in immediate conjunction with the word ‘‘diamond,’’ there is either a disclosure of the number of facets and shape of the diamond or the name of a type of diamond that denotes shape and that usually has less than seventeen (17) facets (e.g., ‘‘rose diamond’’). 
(3) The use of the word ‘‘cultured’’ to 
describe laboratory-created diamonds that have essentially the same optical, physical, and chemical properties as mined diamonds if the term is qualified by a clear and conspicuous disclosure (for example, the words ‘‘laboratory- created,’’ ‘‘laboratory-grown,’’ ‘‘[manufacturer name]-created,’’ or some other word or phrase of like meaning) conveying that the product is not a mined stone. 
Note to Paragraph (c): Additional guidance 
about imitation and laboratory-created 
diamond representations and misuse of the words ‘‘real,’’ ‘‘genuine,’’ ‘‘natural,’’ ‘‘precious,’’ ‘‘semi-precious,’’ and similar terms is set forth in §§ 23.25 and 23.27. 
§ 23.13 Misuse of the words ‘‘flawless,’’ 
‘‘perfect,’’ etc. 
(a) It is unfair or deceptive to use the 
word ‘‘flawless’’ to describe any 
diamond that discloses flaws, cracks, inclusions, carbon spots, clouds, internal lasering, or other blemishes or imperfections of any sort when examined under a corrected magnifier at 10-power, with adequate illumination, by a person skilled in diamond grading. 
(b) It is unfair or deceptive to use the 
word ‘‘perfect,’’ or any representation of similar meaning, to describe any diamond unless the diamond meets the definition of ‘‘flawless’’ and is not of inferior color or make. 
(c) It is unfair or deceptive to use the 
words ‘‘flawless’’ or ‘‘perfect’’ to describe a ring or other article of jewelry having a ‘‘flawless’’ or ‘‘perfect’’ principal diamond or diamonds, and supplementary stones that are not of such quality, unless there is a disclosure that the description applies only to the principal diamond or diamonds. 
§ 23.14 Disclosure of treatments to 
diamonds. 
A diamond is a gemstone product. 
Treatments to diamonds should be 
disclosed in the manner prescribed in § 23.24 of these guides (Disclosure of treatments to gemstones). 
§ 23.15 Misuse of the term ‘‘blue white.’’ 
It is unfair or deceptive to use the 
term ‘‘blue white’’ or any representation of similar meaning to describe any diamond that under normal, north daylight or its equivalent shows any color or any trace of any color other than blue or bluish. § 23.16 Misuse of the term ‘‘properly cut,’’ 
etc. 
It is unfair or deceptive to use the 
terms ‘‘properly cut,’’ ‘‘proper cut,’’ 
‘‘modern cut,’’ or any representation of similar meaning to describe any 
diamond that is lopsided, or is so thick or so thin in depth as to detract materially from the brilliance of the stone. 
Note to § 23.16: Stones that are commonly 
called ‘‘fisheye’’ or ‘‘old mine’’ should not be 
described as ‘‘properly cut,’’ ‘‘modern cut,’’ etc. 
§ 23.17 Misuse of the words ‘‘brilliant’’ and 
‘‘full cut.’’ 
It is unfair or deceptive to use the 
unqualified expressions ‘‘brilliant,’’ 
‘‘brilliant cut,’’ or ‘‘full cut’’ to describe, identify, or refer to any diamond except a round diamond that has at least thirty- two (32) facets plus the table above the girdle and at least twenty-four (24) facets below. 
Note to § 23.17: Such terms should not be 
applied to single or rose-cut diamonds. They 
may be applied to emerald-(rectangular) cut, pear-shaped, heart-shaped, oval-shaped, and marquise-(pointed oval) cut diamonds meeting the above-stated facet requirements when, in immediate conjunction with the term used, the form of the diamond is disclosed. 
§ 23.18 Misrepresentation of weight and 
‘‘total weight.’’ 
(a) It is unfair or deceptive to 
misrepresent the weight of a diamond. 
(b) It is unfair or deceptive to use the 
word ‘‘point’’ or any abbreviation in any 
representation, advertising, marking, or labeling to describe the weight of a diamond, unless the weight is also stated as decimal parts of a carat (e.g., 25 points or .25 carat). 
Note to Paragraph (b): A carat is a standard 
unit of weight for a diamond and is 
equivalent to 200 milligrams (1⁄5gram). A 
point is one one-hundredth (1/100) of a carat. 
(c) If diamond weight is stated as 
decimal parts of a carat (e.g., .47 carat), 
the stated figure should be accurate to 
the last decimal place. If diamond weight is stated to only one decimal place (e.g., .5 carat), the stated figure 
should be accurate to the second decimal place (e.g., ‘‘.5 carat’’ could 
represent a diamond weight between .495–.504). 
(d) If diamond weight is stated as 
fractional parts of a carat, a conspicuous disclosure of the fact that the diamond weight is not exact should be made in close proximity to the fractional representation and a disclosure of a reasonable range of weight for each fraction (or the weight tolerance being used) should also be made. 
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Note to Paragraph (d): When fractional 
representations of diamond weight are made, 
as described in paragraph (d) of this section, in catalogs or other printed materials, the disclosure of the fact that the actual diamond weight is within a specified range should be made conspicuously on every page where a fractional representation is made. Such disclosure may refer to a chart or other detailed explanation of the actual ranges used. For example, ‘‘Diamond weights are not exact; see chart on p. X for ranges.’’ 
§ 23.19 Definitions of various pearls. 
As used in these guides, the terms set 
forth below have the following 
meanings: 
(a) Pearl: A calcareous concretion 
consisting essentially of alternating concentric layers of carbonate of lime and organic material formed within the body of certain mollusks, the result of an abnormal secretory process caused by an irritation of the mantle of the mollusk following the intrusion of some foreign body inside the shell of the mollusk, or due to some abnormal physiological condition in the mollusk, neither of which has in any way been caused or induced by humans. 
(b) Cultured pearl: The composite 
product created when a nucleus (usually a sphere of calcareous mollusk shell) planted by humans inside the shell or in the mantle of a mollusk is coated with nacre by the mollusk. 
(c) Imitation pearl: A manufactured 
product composed of any material or materials that simulate in appearance a pearl or cultured pearl. 
(d) Seed pearl: A small pearl, as 
defined in paragraph (a), that measures approximately two millimeters or less. 
§ 23.20 Misuse of the word ‘‘pearl.’’ 
(a) It is unfair or deceptive to use the 
unqualified word ‘‘pearl’’ or any other word or phrase of like meaning to describe, identify, or refer to any object or product that is not in fact a pearl, as defined in § 23.19(a). 
(b) It is unfair or deceptive to use the 
word ‘‘pearl’’ to describe, identify, or refer to a cultured pearl unless it is immediately preceded, with equal conspicuousness, by the word ‘‘cultured’’ or ‘‘cultivated,’’ or by some other word or phrase of like meaning, so as to indicate definitely and clearly that the product is not a pearl. 
(c) It is unfair or deceptive to use the 
word ‘‘pearl’’ to describe, identify, or refer to an imitation pearl unless it is immediately preceded, with equal conspicuousness, by the word ‘‘artificial,’’ ‘‘imitation,’’ or ‘‘simulated,’’ or by some other word or phrase of like meaning, so as to indicate definitely and clearly that the product is not a pearl. (d) It is unfair or deceptive to use the 
terms ‘‘faux pearl,’’ ‘‘fashion pearl,’’ ‘‘Mother of Pearl,’’ or any other such term to describe or qualify an imitation pearl product unless it is immediately preceded, with equal conspicuousness, by the word ‘‘artificial,’’ ‘‘imitation,’’ or ‘‘simulated,’’ or by some other word or phrase of like meaning, so as to indicate definitely and clearly that the product is not a pearl. 
§ 23.21 Misuse of terms such as ‘‘cultured 
pearl,’’ ‘‘seed pearl,’’ ‘‘Oriental pearl,’’ 
‘‘natura,’’ ‘‘kultured,’’ ‘‘real,’’ ‘‘synthetic,’’ and 
regional designations. 
(a) It is unfair or deceptive to use the 
term ‘‘cultured pearl,’’ ‘‘cultivated 
pearl,’’ or any other word, term, or phrase of like meaning to describe, identify, or refer to any imitation pearl. 
(b) It is unfair or deceptive to use the 
term ‘‘seed pearl’’ or any word, term, or phrase of like meaning to describe, identify, or refer to a cultured or an imitation pearl, without using the appropriate qualifying term ‘‘cultured’’ (e.g., ‘‘cultured seed pearl’’) or 
‘‘simulated,’’ ‘‘artificial,’’ or ‘‘imitation’’ (e.g., ‘‘imitation seed pearl’’). 
(c) It is unfair or deceptive to use the 
term ‘‘Oriental pearl’’ or any word, term, or phrase of like meaning to describe, identify, or refer to any industry product other than a pearl taken from a salt water mollusk and of the distinctive appearance and type of pearls obtained from mollusks inhabiting the Persian Gulf and recognized in the jewelry trade as Oriental pearls. 
(d) It is unfair or deceptive to use the 
word ‘‘Oriental’’ to describe, identify, or refer to any cultured or imitation pearl. 
(e) It is unfair or deceptive to use the 
word ‘‘natura,’’ ‘‘natural,’’ ‘‘nature’s,’’ or any word, term, or phrase of like meaning to describe, identify, or refer to a cultured or imitation pearl. It is unfair or deceptive to use the term ‘‘organic’’ to describe, identify, or refer to an imitation pearl, unless the term is qualified in such a way as to make clear that the product is not a natural or cultured pearl. 
(f) It is unfair or deceptive to use the 
term ‘‘kultured,’’ ‘‘semi-cultured pearl,’’ ‘‘cultured-like,’’ ‘‘part-cultured,’’ ‘‘premature cultured pearl,’’ or any word, term, or phrase of like meaning to describe, identify, or refer to an imitation pearl. 
(g) It is unfair or deceptive to use the 
term ‘‘South Sea pearl’’ unless it describes, identifies, or refers to a pearl that is taken from a salt water mollusk of the Pacific Ocean South Sea Islands, Australia, or Southeast Asia. It is unfair or deceptive to use the term ‘‘South Sea cultured pearl’’ unless it describes, identifies, or refers to a cultured pearl 
formed in a salt water mollusk of the Pacific Ocean South Sea Islands, Australia, or Southeast Asia. 
(h) It is unfair or deceptive to use the 
term ‘‘Biwa cultured pearl’’ unless it describes, identifies, or refers to cultured pearls grown in fresh water mollusks in the lakes and rivers of Japan. 
(i) It is unfair or deceptive to use the 
word ‘‘real,’’ ‘‘genuine,’’ ‘‘precious,’’ or any word, term, or phrase of like meaning to describe, identify, or refer to any imitation pearl. 
(j) It is unfair or deceptive to use the 
word ‘‘synthetic’’ or similar terms to describe cultured or imitation pearls. 
(k) It is unfair or deceptive to use the 
terms ‘‘Japanese Pearls,’’ ‘‘Chinese Pearls,’’ ‘‘Mallorca Pearls,’’ or any regional designation to describe, identify, or refer to any cultured or imitation pearl, unless the term is immediately preceded, with equal conspicuousness, by the word ‘‘cultured,’’ ‘‘artificial,’’ ‘‘imitation,’’ or ‘‘simulated,’’ or by some other word or phrase of like meaning, so as to indicate definitely and clearly that the product is a cultured or imitation pearl. 
§ 23.22 Misrepresentation as to cultured 
pearls. 
It is unfair or deceptive to 
misrepresent the manner in which 
cultured pearls are produced, the size of the nucleus artificially inserted in the mollusk and included in cultured pearls, the length of time that such products remained in the mollusk, the thickness of the nacre coating, the value and quality of cultured pearls as compared with the value and quality of pearls and imitation pearls, or any other material matter relating to the formation, structure, properties, characteristics, and qualities of cultured pearls. 
§ 23.23 Disclosure of treatments to pearls 
and cultured pearls. 
It is unfair or deceptive to fail to 
disclose that a pearl or cultured pearl 
has been treated if: 
(a) The treatment is not permanent. 
The seller should disclose that the pearl 
or cultured pearl has been treated and that the treatment is or may not be permanent; 
(b) The treatment creates special care 
requirements for the pearl or cultured pearl. The seller should disclose that the pearl or cultured pearl has been treated and has special care requirements. It is also recommended that the seller disclose the special care requirements to the purchaser; or 
(c) The treatment has a significant 
effect on the product’s value. The seller 
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38Field pieces of lockets are those inner portions 
used as frames between the inside edges of the 
locket and the spaces for holding pictures. Bezels are the separable inner metal rings to hold the pictures in place. should disclose that the pearl or 
cultured pearl has been treated. 
Note to § 23.23: The disclosures outlined in 
this section are applicable to sellers at every 
level of trade, as defined in § 23.0(b) of these guides, and they may be made at the point of sale prior to sale, except that where a product can be purchased without personally viewing the product (e.g., direct mail 
catalogs, online services, televised shopping programs), disclosure should be made in the solicitation for, or description of, the product. 
§ 23.24 Disclosure of treatments to 
gemstones. 
It is unfair or deceptive to fail to 
disclose that a gemstone has been 
treated if: 
(a) The treatment is not permanent. 
The seller should disclose that the gemstone has been treated and that the treatment is or may not be permanent; 
(b) The treatment creates special care 
requirements for the gemstone. The seller should disclose that the gemstone has been treated and has special care requirements. It is also recommended that the seller disclose the special care requirements to the purchaser; or 
(c) The treatment has a significant 
effect on the stone’s value. The seller should disclose that the gemstone has been treated. 
Note to § 23.24: The disclosures outlined in 
this section are applicable to sellers at every 
level of trade, as defined in § 23.0(b) of these guides, and they may be made at the point of sale prior to sale, except that where a product can be purchased without personally viewing the product (e.g., direct mail 
catalogs, online services, televised shopping programs), disclosure should be made in the solicitation for, or description of, the product. 
§ 23.25 Misuse of the words ‘‘ruby,’’ 
‘‘sapphire,’’ ‘‘emerald,’’ ‘‘topaz,’’ ‘‘stone,’’ 
‘‘birthstone,’’ ‘‘gem,’’ ‘‘gemstone,’’ etc. 
(a) It is unfair or deceptive to use the 
unqualified words ‘‘ruby,’’ ‘‘sapphire,’’ 
‘‘emerald,’’ ‘‘topaz,’’ or the name of any other precious or semi-precious stone to describe any product that is not in fact a mined stone of the type described. 
(b) It is unfair or deceptive to use the 
word ‘‘ruby,’’ ‘‘sapphire,’’ ‘‘emerald,’’ ‘‘topaz,’’ or the name of any other precious or semi-precious stone, or the word ‘‘stone,’’ ‘‘birthstone,’’ ‘‘gem,’’ ‘‘gemstone,’’ or similar term to describe a laboratory-grown, laboratory-created, [manufacturer name]-created, synthetic, imitation, or simulated stone, unless such word or name is immediately preceded with equal conspicuousness by the word ‘‘laboratory-grown,’’ ‘‘laboratory-created,’’ ‘‘[manufacturer name]-created,’’ or some other word or phrase of like meaning, or by the word ‘‘imitation’’ or ‘‘simulated,’’ so as to 
disclose clearly the nature of the product and the fact it is not a mined gemstone. 
Note 1 to Paragraph (b): The use of the 
word ‘‘faux’’ to describe a laboratory-created or imitation stone is not an adequate disclosure that the stone is not a mined stone. 
Note 2 to Paragraph (b): Marketers may use 
the word ‘‘cultured’’ to describe laboratory- created gemstone products that have essentially the same optical, physical, and chemical properties as the named stone if the term (e.g., ‘‘cultured ruby’’) is qualified by a 
clear and conspicuous disclosure (for example, the words ‘‘laboratory-created,’’ ‘‘laboratory-grown,’’ ‘‘[manufacturer name]- created,’’ or some other word or phrase of like meaning) conveying that the product is not a mined stone. Additional guidance regarding the use of ‘‘cultured’’ to describe a laboratory-created diamond is set forth in § 23.12(c)(3). 
(c) It is unfair or deceptive to use the 
word ‘‘laboratory-grown,’’ ‘‘laboratory- 
created,’’ ‘‘[manufacturer name]- created,’’ ‘‘synthetic,’’ or other word or phrase of like meaning with the name of any natural stone to describe any industry product unless such product has essentially the same optical, physical, and chemical properties as the stone named. 
(d) It is unfair or deceptive to describe 
products made with gemstone material and any amount of filler or binder, such as lead glass, in the following way: 
(1) With the unqualified word ‘‘ruby,’’ 
‘‘sapphire,’’ ‘‘emerald,’’ ‘‘topaz,’’ or name of any other precious or semi- precious stone; 
(2) As a ‘‘treated ruby,’’ ‘‘treated 
sapphire,’’ ‘‘treated emerald,’’ ‘‘treated topaz,’’ or ‘‘treated [gemstone name]’’; 
(3) As a ‘‘laboratory-grown [gemstone 
name],’’ ‘‘laboratory-created [gemstone name],’’ ‘‘[manufacturer name]-created [gemstone name],’’ ‘‘or ‘‘synthetic [gemstone name];’’ or 
(4) As a ‘‘composite [gemstone 
name],’’ ‘‘hybrid [gemstone name],’’ or ‘‘manufactured [gemstone name],’’ unless the term is qualified to disclose clearly and conspicuously that the product: (A) Does not have the same characteristics as the named stone; and (B) requires special care. It is further recommended that the seller disclose the special care requirements to the purchaser. 
§ 23.26 Misrepresentation as to varietal 
name. 
(a) It is unfair or deceptive to mark or 
describe an industry product with the 
incorrect varietal name. 
(b) The following are examples of 
markings or descriptions that may be misleading: (1) Use of the term ‘‘yellow emerald’’ 
to describe golden beryl or heliodor. 
(2) Use of the term ‘‘green amethyst’’ 
to describe prasiolite. 
Note to § 23.26: A varietal name is given 
for a division of gem species or genus based 
on a color, type of optical phenomenon, or other distinguishing characteristic of appearance. 
§ 23.27 Misuse of the words ‘‘real,’’ 
‘‘genuine,’’ ‘‘natural,’’ ‘‘precious,’’ etc. 
It is unfair or deceptive to use the 
word ‘‘real,’’ ‘‘genuine,’’ ‘‘natural,’’ 
‘‘precious,’’ ‘‘semi-precious,’’ or similar terms to describe any industry product that is manufactured or produced artificially. 
§ 23.28 Misuse of the words ‘‘flawless,’’ 
‘‘perfect,’’ etc. 
(a) It is unfair or deceptive to use the 
word ‘‘flawless’’ as a quality description 
of any gemstone that discloses blemishes, inclusions, or clarity faults of any sort when examined under a corrected magnifier at 10-power, with adequate illumination, by a person skilled in gemstone grading. 
(b) It is unfair or deceptive to use the 
word ‘‘perfect’’ or any representation of similar meaning to describe any gemstone unless the gemstone meets the definition of ‘‘flawless’’ and is not of inferior color or make. 
(c) It is unfair or deceptive to use the 
word ‘‘flawless,’’ ‘‘perfect,’’ or any representation of similar meaning to describe any imitation gemstone. 
Appendix to Part 23—Exemptions 
Recognized in the Assay for Quality of Gold Alloy, Gold Filled, Gold Overlay, Rolled Gold Plate, Silver, and Platinum Industry Products 
(a) Exemptions recognized in the industry 
and not to be considered in any assay for 
quality of a karat gold industry product include springs, posts, and separable backs of lapel buttons, posts and nuts for attaching interchangeable ornaments, bracelet and necklace snap tongues, metallic parts completely and permanently encased in a nonmetallic covering, field pieces and bezels for lockets,
38and wire pegs or rivets used for 
applying mountings and other ornaments, which mountings or ornaments shall be of the quality marked. 
Note to Paragraph (a): Exemptions 
recognized in the industry and not to be considered in any assay for quality of a karat gold optical product include: the hinge assembly (barrel or other special types such as are customarily used in plastic frames); washers, bushings, and nuts of screw assemblies; dowels; springs for spring shoe 
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39Oxfords are a form of eyeglasses where a flat 
spring joins the two eye rims and the tension it 
exerts on the nose serves to hold the unit in place. Oxfords are also referred to as pince nez. straps; metal parts permanently encased in a 
non-metallic covering; and for oxfords,39coil 
and joint springs. 
(b) Exemptions recognized in the industry 
and not to be considered in any assay for 
quality of a gold filled, gold overlay and rolled gold plate industry product, other than watchcases, include joints, catches, screws, pin stems, pins of scarf pins, hat pins, etc., field pieces and bezels for lockets, posts and separate backs of lapel buttons, bracelet and necklace snap tongues, springs, and metallic parts completely and permanently encased in a nonmetallic covering. 
Note to Paragraph (b): Exemptions 
recognized in the industry and not to be considered in any assay for quality of a gold filled, gold overlay and rolled gold plate optical product include: Screws; the hinge assembly (barrel or other special types such as are customarily used in plastic frames); washers, bushings, tubes and nuts of screw assemblies; dowels; pad inserts; springs for spring shoe straps, cores and/or inner windings of comfort cable temples; metal parts permanently encased in a nonmetallic covering; and for oxfords, the handle and catch. 
(c) Exemptions recognized in the industry 
and not to be considered in any assay for quality of a silver industry product include screws, rivets, springs, spring pins for wrist watch straps; posts and separable backs of lapel buttons; wire pegs, posts, and nuts used for applying mountings or other ornaments, which mountings or ornaments shall be of the quality marked; pin stems (e.g., of badges, 
brooches, emblem pins, hat pins, and scarf pins, etc.); levers for belt buckles; blades and skeletons of pocket knives; field pieces and bezels for lockets; bracelet and necklace snap tongues; any other joints, catches, or screws; and metallic parts completely and permanently encased in a nonmetallic covering. 
(d) Exemptions recognized in the industry 
and not to be considered in any assay for quality of an industry product of silver in combination with gold include joints, catches, screws, pin stems, pins of scarf pins, hat pins, etc., posts and separable backs of lapel buttons, springs, bracelet and necklace snap tongues, and metallic parts completely and permanently encased in a nonmetallic covering. 
(e) Exemptions recognized in the industry 
and not to be considered in any assay for quality of a platinum industry product include springs, winding bars, sleeves, crown cores, mechanical joint pins, screws, rivets, dust bands, detachable movement rims, hat pin stems, and bracelet and necklace snap tongues. 
By direction of the Commission. 
Donald S. Clark, 
Secretary. 
[FR Doc. 2018–17454 Filed 8–15–18; 8:45 am] 
BILLING CODE 6750–01–P DEPARTMENT OF HOMELAND 
SECURITY 
U.S. Customs and Border Protection 
DEPARTMENT OF THE TREASURY 19 CFR Part 24 
[CBP Dec. 18–09; Docket No. USCBP–2018– 
0033] 
RIN 1515–AE39 
Refund of Alcohol Excise Tax 
AGENCY : U.S. Customs and Border 
Protection, Department of Homeland 
Security; Department of the Treasury. 
ACTION : Interim regulations; solicitation 
of comments. 
SUMMARY : This document updates 
language in the U.S. Customs and Border Protection (CBP) regulations to reflect the current organization of CBP and the Department of the Treasury. The document also eliminates a restriction pertaining to CBP’s authority to refund excessive duties, taxes, fees, or interest imposed on distilled spirits, wine, and beer to facilitate implementation of Subpart A (Craft Beverage Modernization and Tax Reform) of Part IX of the Tax Cuts and Jobs Act, signed December 22, 2017, commonly referred to as the Craft Beverage Modernization Act. 
DATES : This interim final rule is 
effective August 16, 2018; comments must be received by October 15, 2018. 
ADDRESSES : You may submit comments, 
identified by docket number USCBP– 2018–0033, by one of the following 
methods: 
•Federal eRulemaking Portal: http:// 
www.regulations.gov. Follow the 
instructions for submitting comments. 
•Mail: Trade and Commercial 
Regulations Branch, Regulations and Rulings, Office of Trade, U.S. Customs and Border Protection, 90 K Street NE, 10th Floor, Washington, DC 20229– 1177. 
Instructions: All submissions received 
must include the agency name and docket title for this rulemaking, and must reference docket number USCBP– 2018–0033. All comments received will be posted without change to http://www.regulations.gov, including any 
personal information provided. For detailed instructions on submitting comments and additional information on the rulemaking process, see the ‘‘Public Participation’’ heading of the 
SUPPLEMENTARY INFORMATION section of 
the document. 
Docket: For access to the docket to 
read background documents or comments received, go to http://www.regulations.gov. Submitted comments may also be inspected during business days between the hours of 9:00 a.m. and 4:30 p.m. at the Trade and Commercial Regulations Branch, Regulations and Rulings, Office of Trade, U.S. Customs and Border Protection, 90 K Street NE, 10th Floor, Washington, DC. Arrangements to inspect submitted comments should be made in advance by calling Mr. Joseph Clark at (202) 325–0118. 
FOR FURTHER INFORMATION CONTACT : 
Sharolyn J. McCann, Supervisory Program Manager, Office of Trade, U.S. Customs and Border Protection, (571) 468–5478, sharolyn.j.mccann@
cbp.dhs.gov. 
SUPPLEMENTARY INFORMATION : 
Public Participation 
Interested persons are invited to 
participate in this rulemaking by submitting written data, views, or arguments on all aspects of the interim rule. See 
ADDRESSES above for 
information on how to submit comments. U.S. Customs and Border Protection (CBP) also invites comments that relate to the effects that might result from this interim rule. Comments that will provide the most assistance to CBP will reference a specific portion of the interim rule, explain the reason for any recommended change, and include data, information, or authority that support such recommended change. 
Background 
CBP is amending § 24.36 of title 19 of 
the Code of Federal Regulations (19 CFR 
24.36) regarding the authority of CBP to issue refunds of excessive duties, taxes, fees, or interest to: 
(1) Reflect changes in departmental 
organization, a statutory citation to account for the Internal Revenue Code of 1986, and current form names and numbers. The current text refers to the Department of the Treasury’s (Treasury) organization that preceded the 1972 transfer of certain functions from the Internal Revenue Service to the Bureau of Alcohol, Tobacco and Firearms. See Treasury Order 221 (June 6, 1972). The Homeland Security Act of 2002 (Pub. L. 107–296, December 25, 2002) later transferred these functions described in 19 CFR 24.36(e) to the Alcohol and Tobacco Tax and Trade Bureau (TTB). 
The reference to Internal Revenue 
Form 843 in § 24.36(e)(1) predates the 1963 republication of chapter I of title 19 (see 28 FR 14546, 14815 (Dec. 31, 
1963)) and is obsolete. The current IRS Form 843 is not related to excise tax. Current TTB Form 5620.8, ‘‘Claim— 
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