CHAPTER 35
Albuminoidal Substances, Enzymes
Section VI of the U.S. Harmonized Tariff Schedule. 7 headings.
Headings in this chapter
3501
Casein, caseinates and other casein derivatives; casein glues:
3502
Albumins (including concentrates of two or more whey proteins, containing by weight more than 80 percent whey proteins, calculated on the dry matter), albuminates and other albumin derivatives:
3503
Gelatin (including gelatin in rectangular (including square) sheets, whether or not surfaceworked or colored) and gelatin derivatives; isinglass; other glues of animal origin, excluding casein glues of heading 3501:
3504
Peptones and their derivatives; other protein substances and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed:
3505
Dextrins and other modified starches (for example, pregelatinized or esterified starches); glues based on starches, or on dextrins or other modified starches:
3506
Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg:
3507
Enzymes; prepared enzymes not elsewhere specified or included:
Recent CBP rulings in Chapter 35
N361287
May 29, 2026
The tariff classification, country of origin, and marking of ioPea Protein
N360834
May 18, 2026
Country of origin determination for decorative pillow; 19 CFR 102.21(c)(2); tariff shift
N360973
May 7, 2026
Country of origin determination for decorative pillows; 19 CFR 102.21(c)(2); tariff shift
N360927
May 6, 2026
Country of origin determination for a faux rabbit fur pillow; 19 CFR 102.21(c)(2); tariff shift
N360928
May 6, 2026
Country of origin determination for a faux rabbit fur throw; 19 CFR 102.21(c)(5); last country where an important assembly or manufacturing process occurred
N360170
April 22, 2026
Country of origin determination for a sheet set and comforter; 19 CFR 102.21(c)(2); tariff shift; 19 CFR 102.21(c)(4); most important assembly or manufacturing process; 19 CFR 102.13; De Minimis
N359713
April 2, 2026
Country of origin determination for duvet covers, pillow shams and quilts; 19 CFR 102.21(c)(2); tariff shift; 19 CFR 102.21(c)(4); most important assembly or manufacturing process
N359864
April 2, 2026
The tariff classification of hydrolyzed egg white protein powder from China
N359602
March 27, 2026
The classification, country of origin, and marking of pea protein isolate
N359466
March 26, 2026
Country of origin determination for a coir mat; 19 CFR 102.21(c)(1); wholly obtained or produced in a single country
N359337
March 24, 2026
Country of origin and marking determination for cotton woven gauze fabric; 19 CFR 102.21(c)(2)
N358596
March 4, 2026
The country of origin of two bandage fabrics; 19 CFR 102.21(c)(2), tariff shift; 19 CFR 102.21(c)(4)
Chapter 35 legal notes →
Section, chapter, additional U.S., and statistical notes that govern classification under Chapter 35.
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