The Mexican General Import and Export Tax Law Tariff uses the following abbreviations and symbols:
a) Units of measurement
| Barr | barril | barrel |
| Bq | Becquerel | becquerel |
| CP | Caballo de potencia | horsepower |
| Cbza | Cabeza | head |
| cg | centigramo(s) | centigram (0.01 gram) |
| cm | centímetro(s) | centimeter |
| cm2 | centímetro(s) cuadrado(s) | square centimeter |
| cm3 | centímetro(s) cúbico(s) | cubic centimeter |
| cN/tex | centinewton(s) por tex | centinewton textile |
| cps | centipoise | centipoise (viscosity) |
| GHz | gigahertz | gigahertz |
| °C | grado(s) Celsius | degrees Celsius |
| G; g | gramo(s) | gram |
| hl | hectolitros | hectoliter (10 liters) |
| h | hora(s) | hour |
| Hz | hertz (hercio (s)) | hertz |
| °K | grado(s) kelvin | degree Kelvin |
| kcal | kilocaloria(s) | kilocalorie |
| Kg; kg | kilogramo(s) | kilogram |
| kN | kilonewton(s) | kilonewton |
| kPa | kilopascal(es) | kilopascal |
| kvar | kilovolt(io(s))-ampere(s) (amperio(s)) reactivo(s) | kilovolt-ampere reactive |
| KWH | kilovatio (kilowatt) hora | kilowatt |
| kVA | kilovolt(io(s))-ampere(s) (amperio(s)) | kilovolt-ampere |
| kV | kilovolt(io(s)) | kilovolt |
| kW | kilovatio(s) (kilowatt(s)) | kilowatt |
| L; l | litro(s) | liter |
| MPa | megapascal(es) | megapascal |
| MHz | megahertz | megahertz |
| m | metro(s) | meter |
| M2; m2 | metro(s) cuadrado(s) | square meter |
| M3; m3 | metro(s) cúbico(s) | cubic meter |
| µCi | microcurie | microcurie |
| mg | miligramo | milligram |
| ml | mililitro | milliliter |
| mm | milímetro(s) | millimeter |
| mN | milinewton(s) | millinewton |
| Mll | Millar | thousand |
| MW | megavatio | megawatt |
| N | newton (s) | newton |
| Pza | Pieza | thing |
| PSI | Libra por pulgada cuadrada | psi |
| RPM | Revoluciones por minuto | rpm |
| t | tonelada(s) | ton |
| W | vatio(s) ; watt(s) | watt |
| Wh | vatio-hora | watt-hour |
| V | volt(io(s)) | volt |
| vol | volumétrico; volumen | volume |
b) Other
| AE | Arancel especifico establecido en los términos de los artículos 4o., fracción I, y 12, fracción II, de la Ley de Comercio Exterior | specific tariff, according to Art. 4, part I, and art. 12, part II of the Foreign Trade Law |
| AMX | Arancel mixto establecido en los términos de los artículos 4o., fracción I, y 12, fracción III, de la Ley de Comercio Exterior | combined tariff, according to Art. 4, part I, and art. 12, part III of the Foreign Trade Law |
| ASTM | Sociedad Americana para el Ensayo de Materiales («American Society for Testing Materials») | American Society for Testing and Materials |
| BTU | Unidad de energía inglesa | English thermal energy unit |
| CA | Corriente alterna | AC |
| CC | Corriente continua | D.C. |
| DCI | Denominación Común Internacional | international improper name |
| Ex. | Exenta del pago del impuesto general de importación o de exportación | exemption from general import or export tax |
| IR | Infrarrojo(s) | infrared |
| ISO | Organización Internacional de Normalización («International Organization for Standardization») | International Organization for Standardization |
| m- | meta | meta- |
| o- | orto | ortho- |
| p- | para | pair- |
| UV | ultravioleta(s) | ultraviolet |
| X° | X grado(s) | X degrees |
| % | por ciento | percent (%) |