Customs Tariff 2022: Administrative guidelines
1. The following table lists symbols and abbreviations with their corresponding meaning which may be found throughout the Customs Tariff.
| Abbreviation / symbol | Meaning |
|---|---|
| $ | Canadian dollars |
| $/doz | Canadian dollars per dozen |
| $/hl | Canadian dollars per hectolitre |
| $/kg | Canadian dollars per kilogram |
| $/litre | Canadian dollars per litre |
| $/m² | Canadian dollars per square metre |
| $/tonne | Canadian dollars per tonne |
| % | percent |
| ¢ | Canadian cents |
| ¢/doz | Canadian cents per dozen |
| ¢/kg | Canadian cents per kilogram |
| ¢/litre | Canadian cents per litre |
| ° | degrees |
| °A.P.I. | degrees American Petroleum Institute |
| °C | degrees Celsius |
| µ Ci/g | microcuries per gram |
| A | amperes |
| ABS | acrylonitrile-butadiene-styrene |
| AC | alternating currrent |
| Ag | silver |
| AGV | automated guided vehicle |
| AISI | American Iron and Steel Institute |
| Al | aluminum |
| Al2O3 | aluminum oxide, alumnia, corundum |
| ANSI | American National Standards Institute |
| API or A.P.I. | American Petroleum Institute |
| As | arsenic |
| ASTM | American Society for Testing and Materials |
| AUT | Australia Tariff |
| AWG | American Wire Gauge |
| AWWA | American Water Works Association |
| B2O3 | boron oxide |
| Be | beryllium |
| Bi | bismuth |
| BiMOS | combination of bipolar and metal oxide semiconductor technologies |
| BP | British Pharmacopoeia |
| Bq | becquerels |
| Bq/g | becquerels per gram |
| BR | butadiene rubber |
| BTU | British thermal unit |
| Ca | calcium |
| CAN/CGSB-4.2 No. 36-M89 | Government of Canada, Canadian General Standards Board - publication 4.2 No.36-M89 Textile Test Methods - Air Premeability |
| CaO | calcium oxide |
| cc | cubic centimetres |
| CCCT | Commonwealth Caribbean Countries Tariff |
| CCMC | Canadian Construction Materials Centre |
| Cd | cadmium |
| CEUT | Canada-European Union Tariff |
| CF | Chlorofluorocarbons |
| cg | centigrams |
| CIAT | Canada-Israel Agreement Tariff |
| CIFTA | Canada-Israel Free Trade Agreement |
| CIIR or BIIR | halo-isobutene-isoprene rubber |
| cm | centimetres |
| cm² | square centimetres |
| cm³ | cubic centimetres |
| CMT | Corrugated Medium Test |
| cN | centinewtons |
| cN/tex | centinewtons per tex |
| Co | cobalt |
| COLT | Colombia Tariff |
| CPTPT | Comprehensive and Progressive Trans-Pacific Partnership |
| CR | chloroprene (chlorobutadiene) rubber |
| Cr | chromium |
| Cr2O3 | chromium (III) oxide |
| CRT | Costa Rica Tariff |
| CT | Chile Tariff |
| Cu | copper |
| DC | direct current |
| DIMMs | electronic dual in-line memory modules |
| dl/g | decilitres per gram |
| dm³ | cubic decimetres |
| doz | dozen |
| DRAM | dynamic read-write random access memory |
| dyne/cm | dyne per centimetre |
| EEPROM | electrically erasable programmable read only memory |
| EPDM | ethylene-propylene-non-conjugated diene rubber |
| etc. | et cetera |
| Fe | iron |
| Fe2O3 | hematite |
| FLASH E² PROM | flash memories |
| g | grams |
| g.v.w. | gross vehicle weight |
| g/cm³ | grams per cubic centimetre |
| g/m² | grams per square metre |
| GPT | General Preferential Tariff |
| H3BO3 | boric acid |
| HBFC | hydrobromofluorocarbons |
| HCFC | hydrochlorofluorocarbons |
| HCH | hexachlorocyclohexane |
| Hem-Fir | Canadian timber species (western hemlock and amabilis fir) manufactured and marketed together |
| HFC | hydrofluorocarbons |
| HNT | Honduras Tariff |
| Hz | hertz |
| IF | intermediate frequency |
| IIR | isobutene-isoprene (butyl) rubber |
| INN | International Non-proprietary Name |
| IPC-4101 | Association Connecting Electronics Industries (originally Institute for Printed Circuits) - Specification for Base Materials for Rigid and Multilayer Printed Boards |
| IR | infra-red |
| IR | isoprene rubber |
| ISO | International Organization for Standardization |
| IT | Iceland Tariff |
| JT | Jordan Tariff |
| K2O | potassium oxide |
| kcal | kilocalories |
| kcal/kg | kilocalories per kilogram |
| kg | kilograms |
| kg/m | kilograms per metre |
| kJ | kilojoules |
| kN | kilonewtons |
| kN/m | kilonewtons per metre |
| kPa | kilopascals |
| kPa.m²/g | Mullen burst index |
| KRT | Korea Tariff |
| kV | kilovolts |
| kVA | kilovolts-amperes |
| kvar | kilovars or kilovolts-amperes-reactive |
| kW | kilowatts |
| L. | Linnaeus (latin) |
| l/m | litre per metre |
| LCD | liquid crystal display |
| LDCT | Least Developed Country Tariff |
| LED | light emitting diode |
| m | metres |
| m- | meta- |
| m² | square metres |
| m³ | cubic metres |
| m³/s | cubic metres per second |
| MDF | medium density fibreboard |
| MDI | diphenylmethane-4, 4'-diisocyanate |
| Meas. | measure |
| MFN | Most-Favoure-Nation Tariff |
| mg | milligrams |
| Mg | magnesium |
| mg/cm² | milligrams per square centimetre |
| MgO | magnesium oxide |
| MHz | megahertz |
| MIDI | musical instrument digital interface |
| min | minute |
| ml | millilitres |
| mm | millimetres |
| mm²/sec. | square millimetres per second |
| mN | millinewtons |
| Mn | manganese |
| mono | one or single |
| MOS | metal oxide semiconductor |
| MPa | megapascals |
| MSS | Manufacturers Standardization Society of the Valve and Fittings Industry |
| MXT | Mexico Tariff |
| MUST | Mexico-United States Tariff |
| MVA | megavolt amperes |
| MW | megawatt |
| n- | normal- |
| N.m | newton metre (torque) |
| N/m | newtons per metre (surface tension) |
| Na2O | sodium monoxide |
| NaOH | sodium hydroxide |
| NB | nota bene |
| NBR | acrylonitrile-butadiene rubber |
| NCO | isocyanate - functional group of atoms -N=C=O (1 nitrogen, 1 carbon, 1 oxygen) |
| NF | National Formulary |
| Ni | nickel |
| NIOSH | National Institute for Occupational Safety and Health |
| No. or Nos. | number |
| NT | Norway Tariff |
| NZT | New Zealand Tariff |
| O | oxygen |
| o- | ortho- |
| OSB | oriented strand board |
| p- | para- |
| P2O5 | diphosphorus pentoxide |
| PAT | Panama Tariff |
| Pb | lead |
| PBB | polybrominated biphenyls |
| PBD | phenylbiphenyloxadiazole (2-phenyl-5(4-biphenylyl)-1,3,4-oxadiazole |
| PbO | lead monoxide, lead oxide |
| PCB | polychlorinated biphenyls |
| PCT | polychlorinated terphenyls |
| PFC | perfluorocarbons |
| pH | potential of hydrogen |
| POPOP | 1,4-bis-2-(5-phenyloxazolyl)-benzene |
| PPO | 2,5-diphenyloxazole |
| PT | Peru Tariff |
| PTO | power take-off |
| PVC | poly(vinyl chloride) |
| RAM | random access memory |
| RC | Rockwell scale "C" |
| RF | radio frenquency |
| rH | redoxpotential |
| ROM | read-only memory |
| S | sulphur |
| S.P.F. | spruce, pine, fir |
| SAE J1392 980XF | Society of Automotive Engineers standard |
| SAN | styrene-acrylonitrile |
| Sb | antimony |
| SBR | styrene-butadiene rubber |
| sec | seconds |
| Si | silicon |
| SIMMs | electronic single in-line memory modules |
| SiO2 | silica, silicon oxide, silicon dioxide |
| SLT | Switzerland Liechtenstein Tariff |
| Sn | tin |
| spp. | species plural (latin) |
| SRAM | static read-write random access |
| SS | statistical suffix |
| T | tesla |
| Te | tellurium |
| TIMS | Train Information Monitoring System |
| TSNR | technically specified natural rubber |
| UAT | Canada-Ukraine Free Trade Agreement |
| USP | United States Pharmacopeia |
| UST | United States Tariff |
| UV | ultra-violet |
| V | volts |
| VA | volt-amperes |
| var. | varietas (latin) = variety |
| vol | volume |
| W | watts |
| W.O.G. | water, oil, gas |
| XSBR | carboxylated styrene-butadiene rubber |
| Zn | zinc |
| Zr | zirconium |
2. Throughout the Schedule, the following codes have been used to identify units of measure. Where the symbol "-" appears, neither a unit of measure code nor a quantity are required.
| Unit of measure code | Unit of measure |
|---|---|
| CTM | Mass in carats |
| DZN | Number of dozen |
| GRM | Mass in grams |
| GRO | Gross (12 dozen) |
| HLT | Liquid volume in hectolitres |
| KGM | Mass in kilograms |
| KNS | Mass in kilograms of named substance |
| KSD | Mass in kilograms air dry |
| LPA | Liquid volume in litres of pure alcohol |
| LTR | Liquid volume in litres |
| MBQ | Radioactivity in megabecquerels |
| MIL | Thousands |
| MTK | Area in square metres |
| MTQ | Volume in cubic metres |
| MTR | Metres |
| MWH | Electrical energy in megawatt-hours |
| NAP | Number of packages |
| NMB | Number |
| PAR | Number of pairs |
| SET | Number of sets |
| TMQ | Volume in thousands of cubic metres |
| TNE | Mass in metric tonnes |
| TSD | Mass in metric tonnes air dry |
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