phosphoric acid, pyrogallic acid, stearic acid, and all other acids and acid anhydrides not specially provided for, 25 per centum ad valorem. PAR. 2. Acetaldehyde, aldok..or acetaldol, aldehyde ammonia, butyraldehyde, crotonaldehyde, paracetaldehyde, ethylene chlorohydrin, ethylene dichloride, ethylene glycol, ethylene oxide, glycol monoacetate, propylene. chlorohydrin, propylene dichloride, and propylene glycol, 6 cents per pound and 30 per centum ad valorem. PAR. 3. Acetone, acetone oil, and ethyl methyl ketone, 25 per entum ad valorem.

PAR. 4. Alcohol: Amyl, butyl, isoptopyl, and fusel oil, 6 cents per pound; methyl or wood, or methanol, and ethyl, 15 cents per gallon: Provided, That all importations of ethyl alcohol shall be made under regulations prescribed by and under control of the Secretary of the Treasury.

PAR 5. All chemical elements and all chemical and medicinal compounds, preparations, mixtures and salts, and combinations thereof, all the foregoing obtained naturally or artificially and not specially provided for, 25 per centum ad valorem.

PAR. 6. Aluminum hydroxide or refined bauxite, one-half of 1 cent per pound; potassium aluminum sulphate or potash alum and ammonium aluminum sulphate or ammonia alum, 1 cent per pound; aluminum sulphate, alum cake or aluminous cake, containing not more than 15 per centum of alumina and more iron than the equivalent of one-tenth of 1 per centum of ferric oxide, three-tenths of 1 cent per pound; containing more than 15 per centum of alumina or not more iron than the equivalent of one-tenth of 1 per centum of ferric oxide, three-eighths of 1 cent per pound; all other aluminum compounds not specially provided for, 25 per centum ad valorem.

Par. 7. Ammonium carbonate, 11⁄2 cents per pound; ammonium chloride, 14 cents per pound; ammonium nitrate, ammonium perchlorate, and ammonium phosphate, 25 per centum ad valorem; ammonium sulphate, three-fifths of 1 cent per pound; liquid anhydrous ammonia, 22 cents per pound.

PAR. 8. Antimony: Oxide, 2 cents per pound; tartaremetic or potassium-antimony tartrate, 5 cents per pound; sulphides, and other antimony compounds not specially provided for, 25 per centum ad valorem.

PAR. 9. Argols, tartar, and wine lees, crude or partly refined, containing not more than 90 per centum of potassium bitartrate, 5 per centum ad valorem; containing more than 90 per centum of potassium bitartrate, cream of tartar, Rochelle salts or potassium-sodium tartrate, 5 cents per pound; calcium tartrate, crude, 5 per centum ad valorem.

PAR. 10. Balsams: Copaiba, fir or Canada, Peru, tolu, styrax, and all other balsams, all the forgoing which are natural and uncompounded, 10 per centum ad valorem: Provided, That no article containing alcohol shall be classified for duty under this paragraph.

PAR. 11. Barium carbonate, precipitated, 1 cent per pound; barium chloride, 1 cents per pound; barium dioxide, 4 cents per pound; and barium nitrate, 2 cents per pound.

PAR. 12. Blackings, powders, and creams for cleaning or polishing, not specially provided for, 25 per centum ad valorem: Provided, That no preparations containing alcohol shall be classified for duty under this paragraph.

PAR. 13. Bleaching powder or chlorinated lime, three-fifths of 1 cent per pound.

PAR. 14. Caffeine, $1.50 per pound; compounds of caffeine, 25 per centum ad valorem; impure tea, tea waste, tea siftings or sweepings, for manufacturing purposes in bond, pursuant to the provisions of the Act of May 16, 1908, and the Act of May 31, 1920, 1 cent per pound.

PAR. 15. Calcium carbide, 1 cent per pound.

PAR. 16. Calomel, corrosive sublimate, and other mercurial preparations, 30 per centum ad valorem.

PAR. 17. Carbon tetrachloride, 2 cents per pound; chloroform, 8 cents per pound; tetrachloroethane and trichloroethylene, 25 per centum ad valorem.

PAR. 18. Chalk or whiting or Paris white: Dry, ground, bolted, or precipitated, 15 per centum ad valorem; ground in oil (putty), or put up in the form of cubes, blocks, sticks, or disks, or otherwise, including tailors', billiard, red, and manufactures of chalk not specially provided for, 25 per centum ad valorem.

PAR. 19. Chemical compounds, mixtures, and salts, of which gold, platinum, rhodium, or silver constitutes the element of chief value, 15 per centum ad valorem.

PAR. 20. Chemical compounds, salts, and preparations of bismuth, 25 per centum ad valorem.

PAR. 21. Chemicals, drugs, medicinal and similar substances, whether dutiable or free, when imported in capsules, pills, tablets, lozenges, troches, ampoules, jubes, or similar forms, shall be dutiable at not less than 25 per centum ad valorem.

PAR. 22. Chemical elements and chemical and medicinal compounds, preparations, mixtures, and salts, distilled and essential oils, expressed and extracted oils, animal oils and greases, ethers and esters, flavoring and other extracts, and natural or synthetic fruit flavors, fruit esters, oils and essences, all the foregoing and their combinations when containing alcohol, and all articles consisting of vegetable or mineral objects immersed or placed in, or saturated with, alcohol, except perfumery and spirit varnishes, and all alcoholic compounds not specially provided for, if containing 20 per centum of alcohol or less, 20 cents per pound and 25 per centum ad valorem; containing more than 20 per centum and not more than 50 per centum of alcohol, 40 cents per pound and 25 per centum ad valorem; containing more than 50 per centum of alcohol, 80 cents per pound and 25 per centum ad valorem.

PAR. 23. Chicle, crude, 15 cents per pound; refined or advanced in value by drying, straining, or any other process or treatment whatever beyond that essential to the proper packing, 20 cents per pound.

PAR. 24. Chloral hydrate, terpin hydrate, thymol, urea, and glycerophosphoric acid and salts and compounds of glycerophosphoric acid, 25 per centum ad valorem.

PAR. 25. Coal-tar products: Acetanilide not suitable for medicinal use, alpha-naphthol, aminobenzoic acid, aminonaphthol, aminophenetole, aminophenol, aminosalicylic acid, aminoanthraquinone, aniline oil, aniline salt, anthraquinone, arsanilic acid, benzaldehyde not suitable for medicinal use, benzal chloride, benzanthrone, benzidine, benzidine sulfate, benzoic acid not suitable for medicinal use, benzoquinone,

benzoyl chloride, benzyl chloride, benzylethylaniline, beta-naphthol not suitable for medicinal use, bromobenzene, chlorobenzene, chlorophthalic acid, cinnamic acid, cumidine, dehydrothiotoluidine, diaminositlbene, dianisidine, dichlorophthalic acid, dimethylaniline, dimethylaminophenol, dimethylphenylbenzylammonium hydroxide, dimethylphenylenediamine, dinitrobenzene, dinitrochlorobenzine, dinitronaphthalene, dinitrophenol, dinitrotoluene, dihydroxynaphthalene, diphenylamine, hydroxyphenylarsinic acid, metanilic acid, methylanthraquinone, naphthylamine, naphthylenediamine, nitroaniline, nitroanthraquinone, nitrobenzaldehyde, notrobenzene, nitronaphthalene, nitrophenol, nitrophenylenediamine, nitrosodimethylaniline, nitrotoluene, nitrotoluylenediamine, phenol, phenylenediamine, phenylhydrazine, phenylnaphthylamine, phenylglycine, phenylglycineortho-carboxylic acid, phthalic acid, phthalic anhydride, phthalimide, quinaldine, quinoline, resorcinol not suitable for medicinal use, salicylic acid and its salts not suitable for medicinal use, sulfanilic acid, thiocarbanilide, thiosalicylic acid, tetrachlorophthalic acid, tetramethyldiaminobenzophenone, tetramethyldiaminodiphenylmethane, toluene sulfochloride, toluene sulfonamide, tribropophenol, toluidine, tolidine, toluylenediamine, xylidine, anthracene having a purity of 30 per centum or more, carbazole having a purity of 65 per centum or more, metacresol having a purity of 90 per centum or more, naphthalene which after the removal of all water present has a solidifying point of seventy-nine degrees centigrade or above, orthocresol having a purity of 90 per centum or more, para-cresol having a purity of 90 per centum or more; all the foregoing products in this paragraph whether obtained, derived, or manufactured from coal tar or other source; all distillates of coal tar, blast-furnace tar, oil-gas tar, and water-gas tar which on being subjected to distillation yield in the portion distilling below one hundred and ninety degrees centigrade a quantity of tar acids equal to or more than 5 per centum, of the original distillate; all similar products by whatever name known, which is obtained, derived, or manufactured in whole or in part from any of the products provided for in this paragraph, or from any of the products provided for in paragraph 1546; all mixtures, including solutions, consisting in whole or in part of any of the foregoing products provided for in this paragraph, except sheep dip and medicinal soaps; all the foregoing products provided for in this paragraph, not colors, dyes, or stains, color acids, color bases, color lakes, leuco-compounds, indoxyl, indoxyl compounds, ink powders, photographic chemicals, medicinals, synthetic aromatic or odoriferous chemicals, synthetic resinlike products, synthetic tanning materials, or explosives, and not specially provided for in paragraph 26 or 1546, 30 per centum ad valorem and 7 cents per pound.

PAR. 26. Coal-tar products: All colors, dyes, or stains, whether soluble or not in water, color acids, color bases, color lakes, leucocompounds, whether colorless or not, indoxyl and indoxyl compounds; ink powders; photographic chemicals; acetanilide suitable for medicinal use, acetphenetidine, acetylsalicylic acid, antipyrine, benzaldehyde suitable for medicinal use, benzoic acid suitable for medicinal use, beta-naphthol suitable for medicinal use, guaiacol and its derivatives, phenolphthalein, resorcinol suitable for medicinal use, salicylic acid and its salts suitable for medicinal use, salol, and other medicinals; sodium benzoate; saccharin; artificial musk, benzyl

acetate, benzyl benzoate, coumarin, diphenyloxide, methyl anthranilate, methyl salicylate, phenylacetaldehyde, phenylethyl alcohol, and other synthetic odoriferous or aromatic chemicals, including flavors, all of these products not marketable as perfumery, cosmetics, or toilet preparations, and not mixed and not compounded, and not containing alcohol; synthetic phenolic resin and all resinlike products prepared from phenol, cresol, phthalic anhydride, coumarone, indene, or from any other article or material provided for in paragraph 25 or 1546, all of these products whether in a solid, semisolid, or liquid condition; synthetic tanning materials; picric acid, trinitrotoluene, and other explosives except smokeless powders; all of the foregoing products provided for in this paragraph, when obtained, derived, or manufactured in whole or in part from any of the products provided for in paragraph 25 or 1546; natural alizarin and natural indigo, and colors, dyes, stains, color acids, color bases, color lakes, leuco-compounds, indoxyl, and indoxyl compounds, obtained, derived, or manufactured in whole or in part from natural alizarin or natural indigo; natural methyl salicylate or oil of wintergreen or oil of sweet birch; natural coumarin; natural gauiacol and its derivatives; and all mixtures, including solutions, consisting in whole or in part of any of the articles or materials provided for in this paragraph, excepting mixtures of synthetic odoriferous or aromatic chemicals, 35 per centum ad valorem and 7 cents per pound: Provided, That the specific duty of 7 cents per pound herein provided for on colors, dyes, or stains, whether soluble or not in water, color acids, color bases, color lakes, leuco-compounds, indoxyl, and indoxyl compounds, shall be based on standards of strength which shall be established by the Secretary of the Treasury, and that upon all importations of such articles which exceed such standards of strength the specific duty of 7 cents per pound shall be computed on the weight which the article would have if it were diluted to the standard strength, but in no case shall any such articles of whatever strength pay a specific duty of less than 7 cents per pound: Provided further, That beginning six months after the date of passage of this Act no package containing any such color, dye, stain, color acid, color base, color lake, leuco-compound, indoxyl, or indoxyl compound shall be admitted to entry into the United States unless such package and the invoice shall bear a plain, conspicuous, and truly descriptive statement of the identity and percentage, exclusive of diluents, of such color, dye, stain, color acid, color base, color lake, leuco-compound, indoxyl, or indoxyl compound contained therein: Provided further, That on and after the passage of this Act no package containing any such article shall be admitted to entry into the United States if it or the invoice bears any statement, design, or device regarding such article or the ingredients or substances contained therein which is false, fraudulent, or misleading in any particular; in the enforcement of the foregoing provisos the Secretary of the Treasury shall adopt a standard of strength for each dye or other article which shall conform as nearly as practicable to the commercial strength in ordinary use in the United States prior to July 1, 1914: Provided further, That any article or product which may come within the terms of other paragraphs of this Act, as well as within the terms of paragraphs 25, 26, or 1546, shall be assessed for duty or exempted from duty as the case may be under paragraphs 25, 26, or 1546.

PAR. 27. (a) The products enumerated in paragraph 25 or 26 of schedule 1 of this Act are hereby divided into two classes: First, class A, which shall comprise all of such products which are obtainable in the United States on reasonable terms as to quality, price, and delivery; second, class B, which shall comprise all of such products not in class A.

(b) "Reasonable terms as to quality" for any product of domestic origin shall mean that such product, as determined by the United States Tariff Commission, is of the same chemical composition as and will produce results substantially equal to the same product of foreign origin when used in substantially the same manner as such product of foreign origin, considering always the purpose for which such product of domestic origin is intended to be used; that "reasonable terms as to price" for any product shall mean the lowest price or prices, for the time being, which said commission shall determine to be sufficient to insure the maintenance, in the United States, of the production of such product by an efficient plant operating on a substantial commercial scale; and that "reasonable terms as to delivery" for any product shall mean delivery, within such period or periods as said commission shall determine to be a reasonable time, of an amount of such product which said commission shall determine to be sufficient to supply the need of the consumer or consumers for a period not exceeding six months.

(c) The United States Tariff Commission shall, as soon as may be, proceed to a determination of the products which, under the foregoing definitions, are included in class A, and publish a list thereof. This list shall be revised as and whenever said commission may deem necessary. If the commission finds that the facts justify a determination only as to a particular grade or class of a product, the commission may confine its determination to such grade or class. Any person, for reasonable cause shown, may make application to said commission to have any product included in, or removed from, class A. Thereupon said commission shall fix and announce publicly a time for the hearing of his application, which shall be not more than thirty days after the application is made, at which hearing interested persons may appear and show reasons for or against the granting of such application. Thereupon the commission shall make its determination without delay.

(d) During a period of three years after the date of the passage of this Act no product while included in class A, as determined by the United States Tariff Commission, shall be delivered from customs custody in the United States, or in any of its possessions, except that small lots, which will be useful only as samples, may, under rules and regulations prescribed by said commission, be delivered from customs custody.

(e) Any person who desires to engage in the importation of any of the products enumerated in paragraph 25 or 26 of schedule 1 of this title shall register with the United States Tariff Commission, and no person not so registered shall be permitted to import any of such products. Said commission shall, from time to time, publish a list of persons registered as importers of such products. Such registration may be made by mail without fee, by executing a form prescribed and furnished by the said commission.

(f) During a period of three years after the date of the passage of this Act, no product included in class B shall be delivered from