| 34170 | Aldol | |
| 34150 | Aldol-α-naphthylamine | |
| 34150 | Aldol-β-naphthylamine | |
| 35250 | Aldosterone (INN), not put up as medicaments | |
| 41431 | Aldrey, unwrought | |
| 24310 | Ale made from malt | |
| 34560 | Alexandrite, synthetic or reconstructed, unworked or simply sawn or roughly shaped, whether or not graded, not strung, mounted or set (excl. finished articles and parts for pick-up styli, horological, laser and measuring instruments) | |
| 38220 | Alexandrite, synthetic or reconstructed, worked other than simply sawn or roughly shaped, whether or not graded, not strung, mounted or set (excl. finished articles and parts for pick-up styli, horological, laser and measuring instruments) | |
| 16310 | Alexandrite, unworked or simply sawn or roughly shaped, whether or not graded, not strung, mounted or set | |
| 38220 | Alexandrite, worked other than simply sawn or roughly shaped, whether or not graded, not strung, mounted or set | |
| 26190 | Alfa textile fibres or waste, processed but not spun | |
| 01929 | Alfa textile fibres, raw | |
| 01912 | Alfalfa (Medicago sativa), for forage and silage | |
| 23320 | Alfalfa, fresh or dried (whole, cut, chopped, pressed or pelletized), whether or not salted or treated in a silo | |
| 23999 | Alga spinosa | |
| 01930 | Algae used primarily in perfumery, in pharmacy or medicine or for insecticidal, fungicidal or similar purposes, fresh or dried, whether or not crushed | |
| 04930 | Algae, fresh, chilled or frozen, whether or not ground | |
| 04930 | Algae, fresh, dried or ground, whether or not edible | |
| 23996 | Algae, single-cell, dead | |
| 34790 | Alginates, in primary forms | |
| 34790 | Alginic acid, its salts and esters, in primary forms | |
| 48219 | Alidades | |
| 91260 | Aliens, police services related to the registration of | |
| 34310 | Alizarin | |
| 34250 | Alkali chloroaurates | |
| 34270 | Alkali metal silicates, commercial | |
| 35310 | Alkali naphthenates, water-soluble | |
| 34400 | Alkali resinates | |
| 34270 | Alkali thiomolybdates | |
| 48253 | Alkalimeters | |
| 34270 | Alkaline earths, cyanates of | |
| 39990 | Alkaline iron oxide for the purification of gas | |
| 88421 | Alkalis, lyes and other inorganic bases (excluding ammonia) manufacturing services | |
| 35250 | Alkaloid tannates, not put up as medicaments | |
| 35250 | Alkaloids of rye ergot and their derivatives, and salts thereof, not put up as medicaments | |
| 88423 | Alkyd and polyester resins and polyethers manufacturing services | |
| 34740 | Alkyds, oil-free, based on unsaturated acid, in primary forms | |
| 35310 | Alkyl aminopolyglycol ethers of alkylene oxide condensates | |
| 35310 | Alkylarylsulphonates, whether or not put up for retail sale | |
| 35490 | Alkylated diphenylamines, mixed for use as antioxidizing agents for rubber or plastics | |