Section XVI — Machinery and Mechanical Appliances; Electrical Equipment — 2026 US Import Tariff Guide
Data sourced from USITC 2026 Harmonized Tariff Schedule · Last verified May 31, 2026
Quick Answer
Section XVI = Machinery and Mechanical Appliances; Electrical Equipment
Chapters: 84–85 · 834 HTS subheadings · Duty rates: See individual code pages
About This Section
Section XVI is the largest section by import value, covering machinery (Chapter 84) and electrical equipment (Chapter 85). Products range from industrial turbines and pumps to computers, smartphones, and semiconductors. Many ITA (Information Technology Agreement) products qualify for duty-free treatment globally, including computers, semiconductor manufacturing equipment, and telecommunications apparatus. Section 301 tariffs of 25% apply to extensive lists of Chinese-origin machinery and electronics. Importers must verify BIS (Bureau of Industry and Security) export control classification for dual-use equipment and FCC compliance for telecommunications and radio equipment.
This section contains 834 six-digit HTS subheadings across Chapters 84, 85. Click any subheading below to view complete tariff rates, FTA preferences, and detailed import guidance.
All HTS Subheadings in Section XVI — Machinery and Mechanical Appliances; Electrical Equipment
Browse all 834 six-digit subheadings in this section. Each page includes General, Special (FTA), and Column 2 duty rates sourced from official USITC 2026 Revision 9 data.
| HTS Code | Description | Sub-codes |
|---|---|---|
840110 |
Nuclear reactors | 1 |
840120 |
Machinery and apparatus for isotopic separation, and parts thereof | 1 |
840130 |
Fuel elements (cartridges), non-irradiated, and parts thereof | 1 |
840140 |
Parts of nuclear reactors | 1 |
840211 |
Watertube boilers with a steam production exceeding 45 t per hour | 1 |
840212 |
Watertube boilers with a steam production not exceeding 45 t per hour | 1 |
840219 |
Other vapor generating boilers, including hybrid boilers | 1 |
840220 |
Super-heated water boilers | 1 |
840290 |
Parts | 3 |
840310 |
Boilers | 1 |
840390 |
Parts | 1 |
840410 |
Auxiliary plant for use with boilers of heading 8402 or 8403 | 3 |
840420 |
Condensers for steam or other vapor power units | 1 |
840490 |
Parts | 1 |
840510 |
Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers | 1 |
840590 |
Parts | 1 |
840610 |
Turbines for marine propulsion: | 2 |
840681 |
Of an output exceeding 40 MW: | 4 |
840682 |
Of an output not exceeding 40 MW: | 6 |
840690 |
Parts: | 10 |
840710 |
Aircraft engines | 5 |
840721 |
Outboard motors | 3 |
840729 |
Other | 5 |
840731 |
Of a cylinder capacity not exceeding 50 cc | 3 |
840732 |
Of a cylinder capacity exceeding 50 cc but not exceeding 250 cc: | 7 |
840733 |
Of a cylinder capacity exceeding 250 cc but not exceeding 1,000 cc: | 13 |
840734 |
Of a cylinder capacity exceeding 1,000 cc: | 14 |
840790 |
Other engines: | 11 |
840810 |
Marine propulsion engines | 7 |
840820 |
Engines of a kind used for the propulsion of vehicles of chapter 87: | 5 |
840890 |
Other engines: | 9 |
840910 |
For aircraft engines | 3 |
840991 |
Suitable for use solely or principally with spark-ignition internal combustion piston engines (including rotary engines): | 15 |
840999 |
Other: | 13 |
841011 |
Of a power not exceeding 1,000 kW | 1 |
841012 |
Of a power exceeding 1,000 kW but not exceeding 10,000 kW | 1 |
841013 |
Of a power exceeding 10,000 kW | 1 |
841090 |
Parts, including regulators | 1 |
841111 |
Of a thrust not exceeding 25 kN: | 2 |
841112 |
Of a thrust exceeding 25 kN: | 2 |
841121 |
Of a power not exceeding 1,100 kW: | 2 |
841122 |
Of a power exceeding 1,100 kW: | 2 |
841181 |
Of a power not exceeding 5,000 kW: | 4 |
841182 |
Of a power exceeding 5,000 kW: | 4 |
841191 |
Of turbojets or turbopropellers: | 8 |
841199 |
Other: | 9 |
841210 |
Reaction engines other than turbojets | 3 |
841221 |
Linear acting (cylinders) | 6 |
841229 |
Other: | 7 |
841231 |
Linear acting (cylinders) | 3 |
841239 |
Other | 3 |
841280 |
Other engines and motors: | 2 |
841290 |
Parts: | 10 |
841311 |
Pumps for dispensing fuel or lubricants, of the type used in filling-stations or in garages | 1 |
841319 |
Other | 1 |
841320 |
Hand pumps, other than those of subheading 8413.11 or 8413.19 | 1 |
841330 |
Fuel, lubricating or cooling medium pumps for internal combustion piston engines: | 5 |
841340 |
Concrete pumps | 1 |
841350 |
Other reciprocating positive displacement pumps | 6 |
841360 |
Other rotary positive displacement pumps | 7 |
841370 |
Other centrifugal pumps: | 10 |
841381 |
Pumps | 4 |
841382 |
Liquid elevators | 1 |
841391 |
Of pumps: | 9 |
841392 |
Of liquid elevators | 1 |
841410 |
Vacuum pumps | 1 |
841420 |
Hand- or foot-operated air pumps | 1 |
841430 |
Compressors of a kind used in refrigerating equipment (including air conditioning): | 10 |
841440 |
Air compressors mounted on a wheeled chassis for towing | 1 |
841451 |
Table, floor, wall, window, ceiling or roof fans, with a self-contained electric motor of an output not exceeding 125 W: | 4 |
841459 |
Other: | 8 |
841460 |
Hoods having a maximum horizontal side not exceeding 120 cm | 1 |
841470 |
Gas-tight biological safety cabinets | 1 |
841480 |
Other, except parts: | 23 |
841490 |
Parts: | 15 |
841510 |
Of a kind designed to be fixed to a window, wall, ceiling or floor, self-contained or “split system”: | 6 |
841520 |
Of a kind used for persons, in motor vehicles | 1 |
841581 |
Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps) | 4 |
841582 |
Other, incorporating a refrigerating unit | 11 |
841583 |
Not incorporating a refrigerating unit | 5 |
841590 |
Parts: | 8 |
841610 |
Furnace burners for liquid fuel | 1 |
841620 |
Other furnace burners, including combination burners | 3 |
841630 |
Mechanical stokers, including their mechanical grates, mechanical ash dischargers and similar appliances | 1 |
841690 |
Parts | 1 |
841710 |
Furnaces and ovens for the roasting, melting or other heat treatment of ores, pyrites or of metals | 1 |
841720 |
Bakery ovens, including biscuit ovens | 1 |
841780 |
Other, except parts | 1 |
841790 |
Parts | 1 |
841810 |
Combined refrigerator-freezers, fitted with separate external doors or drawers, or combinations thereof | 10 |
841821 |
Compression type | 5 |
841829 |
Other: | 2 |
841830 |
Freezers of the chest type, not exceeding 800 liters capacity | 1 |
841840 |
Freezers of the upright type, not exceeding 900 liters capacity | 1 |
841850 |
Other furniture (chests, cabinets, display counters, show-cases and the like) for storage and display, incorporating refrigerating or freezing equipment | 3 |
841861 |
Heat pumps other than air conditioning machines of heading 8415 | 1 |
841869 |
Other | 8 |
841891 |
Furniture designed to receive refrigerating or freezing equipment | 1 |
841899 |
Other: | 9 |
841911 |
Instantaneous gas water heaters | 1 |
841912 |
Solar water heaters | 1 |
841919 |
Other | 3 |
841920 |
Medical, surgical or laboratory sterilizers | 3 |
841933 |
Lyophilisation apparatus, freeze drying units and spray dryers: | 2 |
841934 |
Other, for agricultural products | 1 |
841935 |
Other, for wood, paper pulp, paper or paperboard | 2 |
841939 |
Other | 3 |
841940 |
Distilling or rectifying plant | 3 |
841950 |
Heat exchange units: | 2 |
841960 |
Machinery for liquefying air or other gases: | 2 |
841981 |
For making hot drinks or for cooking or heating food: | 6 |
841989 |
Other: | 8 |
841990 |
Parts: | 10 |
842010 |
Calendering or other rolling machines: | 5 |
842091 |
Cylinders: | 3 |
842099 |
Other: | 3 |
842111 |
Cream separators | 1 |
842112 |
Clothes-dryers | 1 |
842119 |
Other | 1 |
842121 |
For filtering or purifying water | 1 |
842122 |
For filtering or purifying beverages other than water | 1 |
842123 |
Oil or fuel filters for internal combustion engines | 1 |
842129 |
Other | 5 |
842131 |
Intake air filters for internal combustion engines | 1 |
842132 |
Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines | 1 |
842139 |
Other | 8 |
842191 |
Of centrifuges, including centrifugal dryers: | 3 |
842199 |
Other | 3 |
842211 |
Of the household type | 1 |
842219 |
Other | 1 |
842220 |
Machinery for cleaning or drying bottles or other containers | 1 |
842230 |
Machinery for filling, closing, sealing or labeling bottles, cans, boxes, bags or other containers; machinery for capsuling bottles, jars, tubes and similar containers; machinery for aerating beverages: | 14 |
842240 |
Other packing or wrapping machinery (including heat-shrink wrapping machinery): | 9 |
842290 |
Parts: | 12 |
842310 |
Personal weighing machines, including baby scales; household scales | 4 |
842320 |
Scales for continuous weighing of goods on conveyors: | 2 |
842330 |
Constant-weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales | 1 |
842381 |
Having a maximum weighing capacity not exceeding 30 kg | 6 |
842382 |
Having a maximum weighing capacity exceeding 30 kg but not exceeding 5,000 kg | 3 |
842389 |
Other: | 2 |
842390 |
Weighing machine weights of all kinds; parts of weighing machinery: | 2 |
842410 |
Fire extinguishers, whether or not charged | 1 |
842420 |
Spray guns and similar appliances: | 2 |
842430 |
Steam or sand blasting machines and similar jet projecting machines: | 2 |
842441 |
Portable sprayers: | 2 |
842449 |
Other | 1 |
842482 |
Agricultural or horticultural | 4 |
842489 |
Mechanical appliances for projecting, dispersing or spraying, of a kind used solely or principally for the manufacture of printed circuits or printed circuit assemblies | 2 |
842490 |
Parts: | 6 |
842511 |
Powered by electric motor | 1 |
842519 |
Other | 1 |
842531 |
Powered by electric motor | 1 |
842539 |
Other | 1 |
842541 |
Built-in jacking systems of a type used in garages | 1 |
842542 |
Other jacks and hoists, hydraulic | 1 |
842549 |
Other | 1 |
842611 |
Overhead traveling cranes on fixed support | 1 |
842612 |
Mobile lifting frames on tires and straddle carriers | 1 |
842619 |
Other | 1 |
842620 |
Tower cranes | 1 |
842630 |
Portal or pedestal jib cranes | 1 |
842641 |
On tires | 4 |
842649 |
Other | 3 |
842691 |
Designed for mounting on road vehicles | 1 |
842699 |
Other | 1 |
842710 |
Self-propelled trucks powered by an electric motor: | 8 |
842720 |
Other self-propelled trucks: | 4 |
842790 |
Other trucks | 3 |
842810 |
Passenger or freight elevators other than continuous action; skip hoists | 1 |
842820 |
Pneumatic elevators and conveyors | 3 |
842831 |
Specially designed for underground use | 1 |
842832 |
Other, bucket type | 1 |
842833 |
Other, belt type | 1 |
842839 |
Other | 1 |
842840 |
Escalators and moving walkways | 1 |
842860 |
Teleferics, chair lifts, ski draglines; traction mechanisms for funiculars | 1 |
842870 |
Industrial robots | 1 |
842890 |
Other machinery | 3 |
842911 |
Track laying | 3 |
842919 |
Other | 3 |
842920 |
Graders and levelers | 1 |
842930 |
Scrapers | 4 |
842940 |
Tamping machines and road rollers | 4 |
842951 |
Front-end shovel loaders: | 19 |
842952 |
Machinery with a 360˚ revolving superstructure: | 9 |
842959 |
Other: | 9 |
843010 |
Pile-drivers and pile-extractors | 1 |
843020 |
Snowplows and snowblowers | 4 |
843031 |
Self-propelled | 3 |
843039 |
Other | 3 |
843041 |
Self-propelled | 1 |
843049 |
Other: | 7 |
843050 |
Other machinery, self-propelled: | 2 |
843061 |
Tamping or compacting machinery | 1 |
843069 |
Other | 1 |
843110 |
Of machinery of heading 8425 | 3 |
843120 |
Of machinery of heading 8427 | 1 |
843131 |
Of passenger or freight elevators other than continuous action, skip hoists or escalators | 4 |
843139 |
Other | 5 |
843141 |
Buckets, shovels, grabs and grips | 5 |
843142 |
Bulldozer or angledozer blades | 1 |
843143 |
Parts for boring or sinking machinery of subheading 8430.41 or 8430.49: | 6 |
843149 |
Other: | 26 |
843210 |
Plows | 4 |
843221 |
Disc harrows | 1 |
843229 |
Other | 5 |
843231 |
No-till direct seeders, planters and transplanters | 3 |
843239 |
Other | 3 |
843241 |
Manure spreaders | 1 |
843242 |
Fertilizer distributors | 1 |
843280 |
Other machinery | 3 |
843290 |
Parts | 7 |
843311 |
Powered, with the cutting device rotating in a horizontal plane | 7 |
843319 |
Other | 6 |
843320 |
Other mowers, including cutter bars for tractor mounting | 4 |
843330 |
Other haymaking machinery | 1 |
843340 |
Straw or fodder balers, including pick-up balers | 1 |
843351 |
Combine harvester-threshers | 3 |
843352 |
Other threshing machinery | 1 |
843353 |
Root or tuber harvesting machines | 1 |
843359 |
Other | 3 |
843360 |
Machines for cleaning, sorting or grading eggs, fruit or other agricultural produce | 3 |
843390 |
Parts: | 9 |
843410 |
Milking machines | 1 |
843420 |
Dairy machinery | 1 |
843490 |
Parts | 1 |
843510 |
Machinery | 1 |
843590 |
Parts | 1 |
843610 |
Machinery for preparing animal feeds | 1 |
843621 |
Poultry incubators and brooders | 1 |
843629 |
Other | 1 |
843680 |
Other machinery | 6 |
843691 |
Of poultry-keeping machinery or poultry incubators and brooders | 3 |
843699 |
Other | 7 |
843710 |
Machines for cleaning, sorting or grading seed, grain or dried leguminous vegetables | 1 |
843780 |
Other machinery | 3 |
843790 |
Parts | 3 |
843810 |
Bakery machinery and machinery for the manufacture of macaroni, spaghetti or similar products | 3 |
843820 |
Machinery for the manufacture of confectionery, cocoa or chocolate | 1 |
843830 |
Machinery for sugar manufacture | 1 |
843840 |
Brewery machinery | 1 |
843850 |
Machinery for the preparation of meat or poultry | 3 |
843860 |
Machinery for the preparation of fruits, nuts or vegetables | 1 |
843880 |
Other machinery | 1 |
843890 |
Parts: | 6 |
843910 |
Machinery for making pulp of fibrous cellulosic material | 3 |
843920 |
Machinery for making paper or paperboard | 3 |
843930 |
Machinery for finishing paper or paperboard | 1 |
843991 |
Of machinery for making pulp of fibrous cellulosic materials: | 2 |
843999 |
Other: | 2 |
844010 |
Machinery | 1 |
844090 |
Parts | 1 |
844110 |
Cutting machines | 1 |
844120 |
Machines for making bags, sacks or envelopes | 1 |
844130 |
Machines for making cartons, boxes, cases, tubes, drums or similar containers, other than by molding | 1 |
844140 |
Machines for molding articles in paper pulp, paper or paperboard | 1 |
844180 |
Other machinery | 1 |
844190 |
Parts | 1 |
844230 |
Machinery, apparatus and equipment | 3 |
844240 |
Parts of the foregoing machinery, apparatus or equipment | 1 |
844250 |
Plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished): | 2 |
844311 |
Offset printing machinery, reel-fed: | 2 |
844312 |
Offset printing machinery, sheet-fed, office type (using sheets with one side not exceeding 22 cm and the other side not exceeding 36 cm in the unfolded state) | 1 |
844313 |
Other offset printing machinery | 1 |
844314 |
Letterpress printing machinery, reel fed, excluding flexographic printing | 1 |
844315 |
Letterpress printing machinery, other than reel fed, excluding flexographic printing | 1 |
844316 |
Flexographic printing machinery | 1 |
844317 |
Gravure printing machinery | 1 |
844319 |
Other: | 2 |
844331 |
Machines which perform two or more of the functions of printing, copying or facsimile transmission, capable of connecting to an automatic data processing machine or to a network | 1 |
844332 |
Other, capable of connecting to an automatic data processing machine or to a network: | 11 |
844339 |
Other: | 7 |
844391 |
Parts and accessories of printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442: | 3 |
844399 |
Other: | 15 |
844400 |
Machines for extruding, drawing, texturing or cutting man-made textile materials | 3 |
844511 |
Carding machines | 1 |
844512 |
Combing machines | 1 |
844513 |
Drawing or roving machines | 1 |
844519 |
Other | 3 |
844520 |
Textile spinning machines | 1 |
844530 |
Textile doubling or twisting machines | 3 |
844540 |
Textile winding (including weft winding) or reeling machines | 1 |
844590 |
Other | 1 |
844610 |
For weaving fabrics of a width not exceeding 30 cm | 3 |
844621 |
Power looms: | 2 |
844629 |
Other | 1 |
844630 |
For weaving fabrics of a width exceeding 30 cm, shuttleless type: | 8 |
844711 |
With cylinder diameter not exceeding 165 mm: | 5 |
844712 |
With cylinder diameter exceeding 165 mm: | 5 |
844720 |
Flat knitting machines; stitch-bonding machines: | 4 |
844790 |
Other: | 3 |
844811 |
Dobbies and Jacquards; card reducing, copying, punching or assembling machines for use therewith | 1 |
844819 |
Other | 1 |
844820 |
Parts and accessories of machines of heading 8444 or of their auxiliary machinery: | 4 |
844831 |
Card clothing | 1 |
844832 |
Of machines for preparing textile fibers, other than card clothing | 3 |
844833 |
Spindles, spindle flyers, spinning rings and ring travellers | 1 |
844839 |
Other: | 3 |
844842 |
Reeds for looms, healds and heald-frames | 1 |
844849 |
Other: | 2 |
844851 |
Sinkers, needles and other articles used in forming stitches: | 4 |
844859 |
Other: | 2 |
844900 |
Machinery for the manufacture or finishing of felt or nonwovens in the piece or in shapes, including machinery for making felt hats; blocks for making hats; parts thereof: | 2 |
845011 |
Fully automatic machines | 4 |
845012 |
Other machines with built-in centrifugal dryer | 1 |
845019 |
Other | 1 |
845020 |
Machines, each of a dry linen capacity exceeding 10 kg | 4 |
845090 |
Parts: | 3 |
845110 |
Dry-cleaning machines | 1 |
845121 |
Each of a dry linen capacity not exceeding 10 kg | 3 |
845129 |
Other | 3 |
845130 |
Ironing machines and presses (including fusing presses) | 1 |
845140 |
Washing, bleaching or dyeing machines | 1 |
845150 |
Machines for reeling, unreeling, folding, cutting or pinking textile fabrics | 1 |
845180 |
Other machinery | 1 |
845190 |
Parts: | 6 |
845210 |
Sewing machines of the household type | 3 |
845221 |
Automatic units: | 2 |
845229 |
Other: | 2 |
845230 |
Sewing machine needles | 1 |
845290 |
Furniture, bases and covers for sewing machines, and parts thereof; other parts of sewing machines: | 4 |
845310 |
Machinery for preparing, tanning or working hides, skins or leather | 1 |
845320 |
Machinery for making or repairing footwear | 1 |
845380 |
Other machinery | 1 |
845390 |
Parts: | 2 |
845410 |
Converters | 1 |
845420 |
Ingot molds and ladles | 4 |
845430 |
Casting machines | 3 |
845490 |
Parts | 5 |
845510 |
Tube mills | 1 |
845521 |
Hot or combination hot and cold | 1 |
845522 |
Cold | 1 |
845530 |
Rolls for rolling mills | 10 |
845590 |
Other parts: | 2 |
845611 |
Operated by laser: | 5 |
845612 |
Operated by other light or photon beam processes: | 5 |
845620 |
Operated by ultrasonic processes: | 4 |
845630 |
Operated by electro-discharge processes: | 5 |
845640 |
Operated by plasma arc process: | 4 |
845650 |
Water-jet cutting machines | 1 |
845690 |
Other: | 2 |
845710 |
Machining centers | 9 |
845720 |
Unit construction machines (single station) | 3 |
845730 |
Multistation transfer machines | 3 |
845811 |
Numerically controlled | 6 |
845819 |
Other | 7 |
845891 |
Numerically controlled: | 8 |
845899 |
Other: | 7 |
845910 |
Way-type unit head machines | 1 |
845921 |
Numerically controlled | 3 |
845929 |
Other | 7 |
845931 |
Numerically controlled | 5 |
845939 |
Other | 5 |
845941 |
Numerically controlled | 5 |
845949 |
Other | 5 |
845951 |
Numerically controlled | 3 |
845959 |
Other | 4 |
845961 |
Numerically controlled | 3 |
845969 |
Other | 6 |
845970 |
Other threading or tapping machines: | 5 |
846012 |
Numerically controlled | 3 |
846019 |
Other | 4 |
846022 |
Centerless grinding machines, numerically controlled | 3 |
846023 |
Other cylindrical grinding machines, numerically controlled | 5 |
846024 |
Other, numerically controlled | 3 |
846029 |
Other | 5 |
846031 |
Numerically controlled | 3 |
846039 |
Other | 4 |
846040 |
Honing or lapping machines: | 7 |
846090 |
Other: | 7 |
846120 |
Shaping or slotting machines: | 5 |
846130 |
Broaching machines: | 7 |
846140 |
Gear cutting, gear grinding or gear finishing machines: | 11 |
846150 |
Sawing or cutting-off machines: | 7 |
846190 |
Other: | 12 |
846211 |
Closed die forging machines | 5 |
846219 |
Other | 5 |
846222 |
Profile forming machines | 4 |
846223 |
Numerically controlled press brakes | 4 |
846224 |
Numerically controlled panel benders | 4 |
846225 |
Numerically controlled roll forming machines | 4 |
846226 |
Other numerically controlled bending, folding, straightening or flattening machines | 4 |
846229 |
Other | 6 |
846232 |
Slitting lines and cut-to-length lines: | 7 |
846233 |
Numerically controlled shearing machines | 3 |
846239 |
Other | 4 |
846242 |
Numerically controlled | 3 |
846249 |
Other | 4 |
846251 |
Numerically controlled | 3 |
846259 |
Other | 4 |
846261 |
Hydraulic presses: | 6 |
846262 |
Mechanical presses: | 6 |
846263 |
Servo-presses: | 7 |
846269 |
Other: | 7 |
846290 |
Other: | 7 |
846310 |
Drawbenches for bars, tubes, profiles, wire or the like | 4 |
846320 |
Thread rolling machines | 4 |
846330 |
Machines for working wire | 4 |
846390 |
Other | 4 |
846410 |
Sawing machines | 1 |
846420 |
Grinding or polishing machines | 3 |
846490 |
Other | 3 |
846510 |
Machines which can carry out different types of machining operations without tool change between such operations | 7 |
846520 |
Machining centers: | 3 |
846591 |
Sawing machines | 19 |
846592 |
Planing, milling or molding (by cutting) machines | 18 |
846593 |
Grinding, sanding or polishing machines | 9 |
846594 |
Bending or assembling machines | 9 |
846595 |
Drilling or mortising machines | 10 |
846596 |
Splitting, slicing or paring machines | 6 |
846599 |
Other | 5 |
846610 |
Tool holders and self-opening dieheads | 4 |
846620 |
Work holders: | 8 |
846630 |
Dividing heads and other special attachments for machines: | 5 |
846691 |
For machines of heading 8464: | 2 |
846692 |
For machines of heading 8465: | 4 |
846693 |
For machines of headings 8456 to 8461: | 16 |
846694 |
For machines of heading 8462 or 8463: | 8 |
846711 |
Rotary type (including combined rotary-percussion): | 8 |
846719 |
Other: | 5 |
846721 |
Drills of all kinds | 5 |
846722 |
Saws | 5 |
846729 |
Other | 12 |
846781 |
Chain saws | 1 |
846789 |
Other: | 5 |
846791 |
Of chain saws | 1 |
846792 |
Of pneumatic tools | 3 |
846799 |
Other | 3 |
846810 |
Hand-held blow torches | 1 |
846820 |
Other gas-operated machinery and apparatus: | 2 |
846880 |
Other machinery and apparatus: | 2 |
846890 |
Parts: | 2 |
847010 |
Electronic calculators capable of operation without an external source of electric power and pocket-size data recording, reproducing and displaying machines with calculating functions | 3 |
847021 |
Incorporating a printing device | 1 |
847029 |
Other | 1 |
847030 |
Other calculating machines | 1 |
847050 |
Cash registers | 3 |
847090 |
Other | 3 |
847130 |
Portable automatic data processing machines, weighing not more than 10 kg, consisting of at least a central processing unit, a keyboard and a display | 1 |
847141 |
Comprising in the same housing at least a central processing unit and an input and output unit, whether or not combined | 3 |
847149 |
Other, entered in the form of systems | 1 |
847150 |
Processing units other than those of subheading 8471.41 or 8471.49, whether or not containing in the same housing one or two of the following types of unit: storage units, input units, output units | 3 |
847160 |
Input or output units, whether or not containing storage units in the same housing: | 9 |
847170 |
Storage units: | 13 |
847180 |
Other units of automatic data processing machines: | 3 |
847190 |
Other | 1 |
847210 |
Duplicating machines | 1 |
847230 |
Machines for sorting or folding mail or for inserting mail in envelopes or bands, machines for opening, closing or sealing mail and machines for affixing or canceling postage stamps | 1 |
847290 |
Other: | 9 |
847321 |
Of the electronic calculating machines of subheading 8470.10, 8470.21 or 8470.29 | 1 |
847329 |
Other | 1 |
847330 |
Parts and accessories of the machines of heading 8471: | 6 |
847340 |
Parts and accessories of the machines of heading 8472: | 4 |
847350 |
Parts and accessories equally suitable for use with machines of two or more of the headings 8470 to 8472: | 3 |
847410 |
Sorting, screening, separating or washing machines | 3 |
847420 |
Crushing or grinding machines | 4 |
847431 |
Concrete or mortar mixers | 1 |
847432 |
Machines for mixing mineral substances with bitumen | 1 |
847439 |
Other | 1 |
847480 |
Other machinery | 5 |
847490 |
Parts | 5 |
847510 |
Machines for assembling electric or electronic lamps, tubes or flashbulbs, in glass envelopes | 1 |
847521 |
Machines for making optical fibers and preforms thereof | 1 |
847529 |
Other | 1 |
847590 |
Parts: | 2 |
847621 |
Incorporating heating or refrigerating devices | 1 |
847629 |
Other | 1 |
847681 |
Incorporating heating or refrigerating devices | 1 |
847689 |
Other | 1 |
847690 |
Parts | 1 |
847710 |
Injection-molding machines: | 8 |
847720 |
Extruders | 7 |
847730 |
Blow-molding machines | 1 |
847740 |
Vacuum-molding machines and other thermoforming machines | 1 |
847751 |
For molding or retreading pneumatic tires or for molding or otherwise forming inner tubes | 3 |
847759 |
Other | 1 |
847780 |
Other machinery | 1 |
847790 |
Parts: | 11 |
847810 |
Machinery | 3 |
847890 |
Parts | 3 |
847910 |
Machinery for public works, building or the like | 4 |
847920 |
Machinery for the extraction or preparation of animal or fixed vegetable or microbial fats or oils | 1 |
847930 |
Presses for the manufacture of particle board or fiber building board of wood or other ligneous materials and other machinery for treating wood or cork | 1 |
847940 |
Rope or cable-making machines | 1 |
847950 |
Industrial robots, not elsewhere specified or included | 1 |
847960 |
Evaporative air coolers | 1 |
847971 |
Of a kind used in airports | 1 |
847979 |
Other | 1 |
847981 |
For treating metal, including electric wire coil-winders | 1 |
847982 |
Mixing, kneading, crushing, grinding, screening, sifting, homogenizing, emulsifying or stirring machines | 3 |
847983 |
Cold isostatic presses | 1 |
847989 |
Other: | 15 |
847990 |
Parts: | 12 |
848010 |
Molding boxes for metal foundry | 1 |
848020 |
Mold bases | 1 |
848030 |
Molding patterns | 1 |
848041 |
Injection or compression types | 1 |
848049 |
Other types | 3 |
848050 |
Molds for glass | 3 |
848060 |
Molds for mineral materials | 3 |
848071 |
Injection or compression types: | 6 |
848079 |
Other types: | 5 |
848110 |
Pressure-reducing valves | 5 |
848120 |
Valves for oleohydraulic or pneumatic transmissions | 9 |
848130 |
Check (nonreturn) valves: | 7 |
848140 |
Safety or relief valves | 1 |
848180 |
Other appliances: | 39 |
848190 |
Parts: | 9 |
848210 |
Ball bearings: | 19 |
848220 |
Tapered roller bearings, including cone and tapered roller assemblies | 10 |
848230 |
Spherical roller bearings | 3 |
848240 |
Needle roller bearings, including cage and needle roller assemblies | 1 |
848250 |
Other cylindrical roller bearings, including cage and roller assemblies | 1 |
848280 |
Other, including combined ball/roller bearings | 5 |
848291 |
Balls, needles and rollers | 9 |
848299 |
Other: | 17 |
848310 |
Transmission shafts (including camshafts and crankshafts) and cranks: | 8 |
848320 |
Housed bearings, incorporating ball or roller bearings: | 6 |
848330 |
Bearing housings; plain shaft bearings: | 10 |
848340 |
Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters: | 11 |
848350 |
Flywheels and pulleys, including pulley blocks: | 5 |
848360 |
Clutches and shaft couplings (including universal joints): | 4 |
848390 |
Toothed wheels, chain sprockets and other transmission elements presented separately; parts: | 14 |
848410 |
Gaskets and similar joints of metal sheeting combined with other material or of two or more layers of metal | 1 |
848420 |
Mechanical seals | 1 |
848490 |
Other | 1 |
848510 |
By metal deposit | 1 |
848520 |
By plastics or rubber deposit | 1 |
848530 |
By plaster, cement, ceramics or glass deposit | 1 |
848580 |
Other | 1 |
848590 |
Parts: | 2 |
848610 |
Machines and apparatus for the manufacture of boules or wafers | 1 |
848620 |
Machines and apparatus for the manufacture of semiconductor devices or of electronic integrated circuits | 1 |
848630 |
Machines and apparatus for the manufacture of flat panel displays | 1 |
848640 |
Machines and apparatus specified in note 11(C) to this chapter | 4 |
848690 |
Parts and accessories | 1 |
848710 |
Ships' or boats' propellers and blades therefor | 3 |
848790 |
Other | 3 |
850110 |
Motors of an output not exceeding 37.5 W: | 11 |
850120 |
Universal AC/DC motors of an output exceeding 37.5 W: | 4 |
850131 |
Of an output not exceeding 750 W: | 5 |
850132 |
Of an output exceeding 750 W but not exceeding 75 kW: | 6 |
850133 |
Of an output exceeding 75 kW but not exceeding 375 kW: | 8 |
850134 |
Of an output exceeding 375 kW: | 2 |
850140 |
Other AC motors, single-phase: | 12 |
850151 |
Of an output not exceeding 750 W: | 12 |
850152 |
Of an output exceeding 750 W but not exceeding 75 kW: | 4 |
850153 |
Of an output exceeding 75 kW: | 7 |
850161 |
Of an output not exceeding 75 kVA | 1 |
850162 |
Of an output exceeding 75 kVA but not exceeding 375 kVA | 1 |
850163 |
Of an output exceeding 375 kVA but not exceeding 750 kVA | 1 |
850164 |
Of an output exceeding 750 kVA | 5 |
850171 |
Of an output not exceeding 50 W | 1 |
850172 |
Of an output exceeding 50 W: | 4 |
850180 |
Photovoltaic AC generators: | 4 |
850211 |
Of an output not exceeding 75 kVA | 1 |
850212 |
Of an output exceeding 75 kVA but not exceeding 375 kVA | 1 |
850213 |
Of an output exceeding 375 kVA | 3 |
850220 |
Generating sets with spark-ignition internal combustion piston engines | 5 |
850231 |
Wind-powered | 1 |
850239 |
Other | 3 |
850240 |
Electric rotary converters | 1 |
850300 |
Parts suitable for use solely or principally with the machines of heading 8501 or 8502: | 12 |
850410 |
Ballasts for discharge lamps or tubes | 1 |
850421 |
Having a power handling capacity not exceeding 650 kVA | 5 |
850422 |
Having a power handling capacity exceeding 650 kVA but not exceeding 10,000 kVA | 3 |
850423 |
Having a power handling capacity exceeding 10,000 kVA | 4 |
850431 |
Having a power handling capacity not exceeding 1 kVA: | 5 |
850432 |
Having a power handling capacity exceeding 1 kVA but not exceeding 16 kVA | 1 |
850433 |
Having a power handling capacity exceeding 16 kVA but not exceeding 500 kVA | 3 |
850434 |
Having a power handling capacity exceeding 500 kVA | 1 |
850440 |
Static converters: | 20 |
850450 |
Other inductors: | 2 |
850490 |
Parts: | 13 |
850511 |
Of metal | 6 |
850519 |
Other: | 3 |
850520 |
Electromagnetic couplings, clutches and brakes | 1 |
850590 |
Other, including parts: | 4 |
850610 |
Manganese dioxide | 3 |
850630 |
Mercuric oxide: | 2 |
850640 |
Silver oxide: | 4 |
850650 |
Lithium | 3 |
850660 |
Air-zinc | 3 |
850680 |
Other primary cells and primary batteries | 3 |
850690 |
Parts | 1 |
850710 |
Lead-acid storage batteries, of a kind used for starting piston engines | 4 |
850720 |
Other lead-acid storage batteries: | 7 |
850730 |
Nickel-cadmium storage batteries: | 4 |
850750 |
Nickel-metal hydride batteries | 1 |
850760 |
Lithium-ion batteries | 4 |
850780 |
Other storage batteries: | 2 |
850790 |
Parts: | 2 |
850811 |
Of a power not exceeding 1,500 W and having a dust bag or other receptacle capacity not exceeding 20 l | 1 |
850819 |
Other | 1 |
850860 |
Other vacuum cleaners | 1 |
850870 |
Parts | 1 |
850940 |
Food grinders, processors and mixers; fruit or vegetable juice extractors | 5 |
850980 |
Other appliances: | 9 |
850990 |
Parts: | 4 |
851010 |
Shavers | 1 |
851020 |
Hair clippers: | 2 |
851030 |
Hair-removing appliances | 1 |
851090 |
Parts: | 5 |
851110 |
Spark plugs | 1 |
851120 |
Ignition magnetos; magneto-dynamos; magnetic flywheels | 1 |
851130 |
Distributors; ignition coils | 3 |
851140 |
Starter motors and dual purpose starter-generators | 1 |
851150 |
Other generators | 1 |
851180 |
Other equipment: | 3 |
851190 |
Parts: | 5 |
851210 |
Lighting or visual signaling equipment of a kind used on bicycles: | 2 |
851220 |
Other lighting or visual signaling equipment: | 6 |
851230 |
Sound signaling equipment | 4 |
851240 |
Windshield wipers, defrosters and demisters: | 2 |
851290 |
Parts: | 5 |
851310 |
Lamps: | 2 |
851390 |
Parts: | 2 |
851411 |
Hot isostatic presses | 1 |
851419 |
Other | 1 |
851420 |
Furnaces and ovens functioning by induction or dielectric loss: | 3 |
851431 |
Electron beam furnaces: | 2 |
851432 |
Plasma and vacuum arc furnaces: | 2 |
851439 |
Other: | 2 |
851440 |
Other equipment for the heat treatment of materials by induction or dielectric loss | 1 |
851490 |
Parts: | 2 |
851511 |
Soldering irons and guns | 1 |
851519 |
Other | 1 |
851521 |
Fully or partly automatic | 1 |
851529 |
Other | 1 |
851531 |
Fully or partly automatic | 1 |
851539 |
Other | 4 |
851580 |
Other machines and apparatus | 3 |
851590 |
Parts: | 2 |
851610 |
Electric instantaneous or storage water heaters and immersion heaters | 3 |
851621 |
Storage heating radiators | 1 |
851629 |
Other | 4 |
851631 |
Hair dryers | 1 |
851632 |
Other hairdressing apparatus | 3 |
851633 |
Hand-drying apparatus | 1 |
851640 |
Electric flatirons: | 2 |
851650 |
Microwave ovens | 4 |
851660 |
Other ovens; cooking stoves, ranges, cooking plates, boiling rings, grillers and roasters: | 8 |
851671 |
Coffee or tea makers | 5 |
851672 |
Toasters | 1 |
851679 |
Other | 1 |
851680 |
Electric heating resistors: | 2 |
851690 |
Parts: | 14 |
851711 |
Line telephone sets with cordless handsets | 1 |
851713 |
Smartphones | 1 |
851714 |
Other telephones for cellular networks or for other wireless networks | 4 |
851718 |
Other | 4 |
851761 |
Base stations | 1 |
851762 |
Machines for the reception, conversion and transmission or regeneration of voice, images or other data, including switching and routing apparatus | 4 |
851769 |
Other | 1 |
851771 |
Aerials and aerial reflectors of all kinds; parts suitable for use therewith | 1 |
851779 |
Other | 1 |
851810 |
Microphones and stands therefor: | 4 |
851821 |
Single loudspeakers, mounted in their enclosures | 1 |
851822 |
Multiple loudspeakers, mounted in the same enclosure | 1 |
851829 |
Other: | 2 |
851830 |
Headphones and earphones, whether or not combined with a microphone, and sets consisting of a microphone and one or more loudspeakers: | 2 |
851840 |
Audio-frequency electric amplifiers: | 2 |
851850 |
Electric sound amplifier sets | 1 |
851890 |
Parts: | 4 |
851920 |
Apparatus operated by coins, banknotes, bank cards, tokens or by other means of payment | 1 |
851930 |
Turntables (record-decks): | 2 |
851981 |
Using magnetic, optical or semiconductor media: | 11 |
851989 |
Other: | 3 |
852110 |
Magnetic tape-type: | 3 |
852190 |
Other | 1 |
852210 |
Pickup cartridges | 1 |
852290 |
Other: | 10 |
852321 |
Cards incorporating a magnetic stripe | 1 |
852329 |
Other: | 15 |
852341 |
Unrecorded | 1 |
852349 |
Other: | 6 |
852351 |
Solid-state non-volatile storage devices | 1 |
852352 |
"Smart cards" | 3 |
852359 |
Other | 1 |
852380 |
Other: | 2 |
852411 |
Of liquid crystals: | 2 |
852412 |
Of organic light-emitting diodes (OLED) | 1 |
852419 |
Other | 1 |
852491 |
Of liquid crystals: | 2 |
852492 |
Of organic light-emitting diodes (OLED) | 1 |
852499 |
Other | 1 |
852550 |
Transmission apparatus: | 8 |
852560 |
Transmission apparatus incorporating reception apparatus: | 7 |
852581 |
High-speed goods as specified in subheading note 1 to this chapter | 1 |
852582 |
Other, radiation-hardened or radiation-tolerant goods as specified in subheading note 2 to this chapter | 1 |
852583 |
Other, night vision goods as specified in subheading note 3 to this chapter | 1 |
852589 |
Other: | 7 |
852610 |
Radar apparatus | 3 |
852691 |
Radio navigational aid apparatus | 3 |
852692 |
Radio remote control apparatus: | 2 |
852712 |
Pocket-size radio cassette players | 1 |
852713 |
Other apparatus combined with sound recording or reproducing apparatus: | 8 |
852719 |
Other: | 4 |
852721 |
Combined with sound recording or reproducing apparatus: | 7 |
852729 |
Other: | 2 |
852791 |
Combined with sound recording or reproducing apparatus: | 6 |
852792 |
Not combined with sound recording or reproducing apparatus but combined with a clock: | 2 |
852799 |
Other: | 3 |
852842 |
Capable of directly connecting to and designed for use with an automatic data processing machine of heading 8471 | 1 |
852849 |
Other: | 15 |
852852 |
Capable of directly connecting to and designed for use with an automatic data processing machine of heading 8471 | 1 |
852859 |
Other: | 14 |
852862 |
Capable of directly connecting to and designed for use with an automatic data processing machine of heading 8471 | 1 |
852869 |
Other: | 13 |
852871 |
Not designed to incorporate a video display or screen: | 5 |
852872 |
Other, color: | 31 |
852873 |
Other, monochrome | 1 |
852910 |
Antennas and antenna reflectors of all kinds; parts suitable for use therewith: | 8 |
852990 |
Other: | 45 |
853010 |
Equipment for railways, streetcar lines or subways | 1 |
853080 |
Other equipment | 1 |
853090 |
Parts | 1 |
853110 |
Burglar or fire alarms and similar apparatus | 5 |
853120 |
Indicator panels incorporating liquid crystal devices (LCD's) or light emitting diodes (LED) | 3 |
853180 |
Other apparatus: | 7 |
853190 |
Parts: | 4 |
853210 |
Fixed capacitors designed for use in 50/60 Hz circuits and having a reactive power handling capacity of not less than 0.5 kvar (power capacitors) | 1 |
853221 |
Tantalum | 5 |
853222 |
Aluminum electrolytic | 5 |
853223 |
Ceramic dielectric, single layer | 4 |
853224 |
Ceramic dielectric, multilayer | 4 |
853225 |
Dielectric of paper or plastics | 10 |
853229 |
Other | 3 |
853230 |
Variable or adjustable (pre-set) capacitors | 3 |
853290 |
Parts | 1 |
853310 |
Fixed carbon resistors, composition or film types | 6 |
853321 |
For a power handling capacity not exceeding 20 W | 10 |
853329 |
Other | 1 |
853331 |
For a power handling capacity not exceeding 20 W | 1 |
853339 |
Other | 3 |
853340 |
Other variable resistors, including rheostats and potentiometers: | 6 |
853390 |
Parts: | 2 |
853400 |
Printed circuits | 8 |
853510 |
Fuses | 3 |
853521 |
For a voltage of less than 72.5 kV | 1 |
853529 |
Other | 3 |
853530 |
Isolating switches and make-and-break switches | 3 |
853540 |
Lightning arresters, voltage limiters and surge suppressors | 1 |
853590 |
Other: | 5 |
853610 |
Fuses | 3 |
853620 |
Automatic circuit breakers | 3 |
853630 |
Other apparatus for protecting electrical circuits: | 2 |
853641 |
For a voltage not exceeding 60 V | 7 |
853649 |
Other | 6 |
853650 |
Other switches: | 14 |
853661 |
Lamp-holders | 1 |
853669 |
Other: | 7 |
853670 |
Connectors for optical fibers, optical fiber bundles or cables | 1 |
853690 |
Other apparatus: | 6 |
853710 |
For a voltage not exceeding 1,000 V: | 9 |
853720 |
For a voltage exceeding 1,000 V | 3 |
853810 |
Boards, panels, consoles, desks, cabinets and other bases for the goods of heading 8537, not equipped with their apparatus | 1 |
853890 |
Other: | 9 |
853910 |
Sealed beam lamp units | 5 |
853921 |
Tungsten halogen: | 6 |
853922 |
Other, of a power not exceeding 200 W and for a voltage exceeding 100 V: | 7 |
853929 |
Other: | 7 |
853931 |
Fluorescent, hot cathode | 5 |
853932 |
Mercury or sodium vapor lamps; metal halide lamps | 4 |
853939 |
Other: | 2 |
853941 |
Arc lamps | 1 |
853949 |
Other | 3 |
853951 |
Light-emitting diode (LED) modules | 1 |
853952 |
Light-emitting diode (LED) lamps | 7 |
853990 |
Parts | 1 |
854011 |
Color: | 12 |
854012 |
Monochrome: | 6 |
854020 |
Television camera tubes; image converters and intensifiers; other photocathode tubes: | 4 |
854040 |
Data/graphic display tubes, monochrome; data/graphic display tubes, color, with a phosphor dot screen pitch smaller than 0.4 mm | 3 |
854060 |
Other cathode-ray tubes | 4 |
854071 |
Magnetrons: | 2 |
854079 |
Other: | 2 |
854081 |
Receiver or amplifier tubes | 1 |
854089 |
Other | 5 |
854091 |
Of cathode-ray tubes: | 3 |
854099 |
Other: | 2 |
854110 |
Diodes, other than photosensitive or light-emitting diodes (LED) | 6 |
854121 |
With a dissipation rate of less than 1 W | 4 |
854129 |
Other | 5 |
854130 |
Thyristors, diacs and triacs, other than photosensitive devices | 3 |
854141 |
Light-emitting diodes (LED) | 1 |
854142 |
Photovoltaic cells not assembled in modules or made up into panels | 3 |
854143 |
Photovoltaic cells assembled in modules or made up into panels | 3 |
854149 |
Other: | 8 |
854151 |
Semiconductor-based transducers | 1 |
854159 |
Other | 3 |
854160 |
Mounted piezoelectric crystals | 7 |
854190 |
Parts | 3 |
854231 |
Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits | 14 |
854232 |
Memories | 10 |
854233 |
Amplifiers | 1 |
854239 |
Other | 8 |
854290 |
Parts | 1 |
854310 |
Particle accelerators | 1 |
854320 |
Signal generators | 1 |
854330 |
Machines and apparatus for electroplating, electrolysis or electrophoresis: | 4 |
854340 |
Electronic cigarettes and similar personal electric vaporizing devices | 3 |
854370 |
Other machines and apparatus: | 17 |
854390 |
Parts: | 10 |
854411 |
Of copper | 4 |
854419 |
Other | 1 |
854420 |
Coaxial cable and other coaxial electric conductors | 1 |
854430 |
Ignition wiring sets and other wiring sets of a kind used in vehicles, aircraft or ships | 1 |
854442 |
Fitted with connectors: | 5 |
854449 |
Other: | 6 |
854460 |
Other electric conductors, for a voltage exceeding 1,000 V: | 3 |
854470 |
Optical fiber cables | 1 |
854511 |
Of a kind used for furnaces | 4 |
854519 |
Other: | 2 |
854520 |
Brushes | 1 |
854590 |
Other: | 2 |
854610 |
Of glass | 1 |
854620 |
Of ceramics | 4 |
854690 |
Other | 1 |
854710 |
Insulating fittings of ceramics: | 2 |
854720 |
Insulating fittings of plastics | 1 |
854790 |
Other | 5 |
854800 |
Electrical parts of machinery or apparatus, not specified or included elsewhere in this chapter | 1 |
854911 |
Waste and scrap of lead-acid accumulators; spent lead-acid accumulators: | 4 |
854912 |
Other, containing lead, cadmium or mercury: | 2 |
854913 |
Sorted by chemical type and not containing lead, cadmium or mercury | 1 |
854914 |
Unsorted and not containing lead, cadmium or mercury | 1 |
854919 |
Other | 1 |
854921 |
Containing primary cells, primary batteries, electric accumulators, mercury-switches, glass from cathode-ray tubes or other activated glass, or electrical or electronic components containing cadmium, mercury, lead or polychlorinated biphenyls (PCBs) | 1 |
854929 |
Other | 1 |
854931 |
Containing primary cells, primary batteries, electric accumulators, mercury-switches, glass from cathode-ray tubes or other activated glass, or electrical or electronic components containing cadmium, mercury, lead or polychlorinated biphenyls (PCBs) | 1 |
854939 |
Other | 1 |
854991 |
Containing primary cells, primary batteries, electric accumulators, mercury-switches, glass from cathode-ray tubes or other activated glass, or electrical or electronic components containing cadmium, mercury, lead or polychlorinated biphenyls (PCBs) | 1 |
854999 |
Other | 1 |
Chapter Overview
Section XVI — Machinery and Mechanical Appliances; Electrical Equipment covers Chapters 84, 85 of the Harmonized Tariff Schedule. The HTS is organized into 21 sections and 97 chapters, with each chapter covering a distinct category of goods. Within this section, there are 834 six-digit subheadings, each potentially containing multiple 8-digit and 10-digit statistical suffixes that specify the exact duty rate applicable to your product.
Importers should pay particular attention to the Chapter Notes at the beginning of each chapter, as these notes define the scope of the chapter and may exclude certain products or provide special classification rules that override the General Rules of Interpretation (GRI).