Customs Tariff - 2019
Administrative Guidelines

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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
CR chloroprene (chlorobutadiene) rubber
Cr chromium
Cr2O3 chromium (III) oxide
CRT cathode-ray tube
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-
square metres
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
MT 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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