| 741.55 | Air-conditioning machines (excl. self-contained window- or wall-type) fitted with air cleaners and provided with devices for temperature and humidity control | |
| 741.55 | Air-conditioning machines incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (excl. self-contained window- or wall-type) | |
| 741.55 | Air-conditioning machines, whether or not self-contained, not fitted with a device for sepa- rately regulating the humidity (excl. self- contained window- or wall-type) | |
| 741.55 | Air-conditioning machines, whether or not self-contained, not incorporating a refrigerating unit (excl. self-contained window- or wall-type) | |
| 894.24 | Aircraft model kits | |
| 792.4 | Aircraft, fixed-wing, mechanically-propelled, of an unladen weight exceeding 15,000 kg | |
| 792.82 | Aircraft, lighter-than-air, with or without propelling machinery | |
| 894.24 | Aircraft, toy | |
| 793.29 | Aircraft-carriers | |
| 775.87 | Airers, towel, electric, domestic | |
| 891.39 | Airguns (incl. those operated with other gases) | |
| 792.91 | Airscrews | |
| 792.82 | Airships, whether or not rigid | |
| 718.99 | Airwheels, windmill | |
| 661.36 | Alabaster, calcareous or gypseous, further worked than roughly split or squared (excl. flagstones) | |
| 273.12 | Alabaster, calcareous, unworked or not further worked than roughly split, roughly squared or squared by sawing | |
| 661.34 | Alabaster, cut or sawn, with a flat or even surface (excl. flagstones) | |
| 273.12 | Alabaster, gypseous, unworked or not further worked than roughly split, roughly squared or squared by sawing | |
| 273.4 | Alabaster, in the form of powder, granules or chippings, whether or not heat-treated (excl. artificially coloured) | |
| 661.36 | Alabaster, moulded, turned, polished, decorated, carved or otherwise worked (excl. moulded and agglomerated stone powder or granules) | |
| 514.65 | Alanine and its salts and esters | |
| 514.65 | β-Alanine and its salts and esters | |
| 034.14 | Albacore, fresh or chilled | |
| 034.23 | Albacore, frozen | |
| 034.11 | Albacore, live | |
| 037.13 | Albacore, prepared or preserved (excl. by simple freezing, salting, drying or smoking) | |
| 665.91 | Albumenometers | |
| 592.23 | Albumin derivatives (excl. radioactive and precious metal albuminates) | |
| 592.23 | Albumin tannates | |
| 592.23 | Albumin, blood (serum albumin) | |
| 541.63 | Albumin, blood, prepared for therapeutic uses | |
| 592.23 | Albumin, fish | |
| 592.23 | Albumin, milk | |
| 592.23 | Albuminates (excl. radioactive or precious metal albuminates) | |
| 524.32 | Albuminates, of precious metal | |
| 592.23 | Albumins, brominated | |
| 592.23 | Albumins, iodized | |
| 642.35 | Albums (incl. loose-leaf), of paper or paperboard, for samples, stamps, photographs or other collections | |
| 516.17 | Alcohol peroxides and their halogenated, sulphonated, nitrated or nitrosated derivatives (or any combination of such derivatives) | |
| 512.16 | Alcohol, ethyl, denatured | |