| 2934 99 90 | Nucleic acids and their salts, whether or not chemically defined; heterocyclic compounds (excl. those with oxygen or nitrogen hetero-atom"s" only, compounds containing in the structure an unfused thiazole ring or a benzothiazole or phenothiazine ring-system or further fused, aminorex "INN", brotizolam "INN", clotiazepam "INN", cloxazolam "INN", dextromoramide "INN", haloxazolam "INN", ketazolam "I | ImporterExporter | 16 | 2017-01 – 2025-06 |
| 29 | HS chapter: HMRC publishes no description for a chapter-level link | ImporterExporter | 7 | 2016-07 – 2023-02 |
| 2942 00 00 | Separate chemically defined organic compounds, n.e.s. | ImporterExporter | 5 | 2018-11 – 2025-04 |
| 3004 90 00 | Medicaments consisting of mixed or unmixed products for therapeutic or prophylactic purposes, put up in measured doses "incl. those for transdermal administration" or in forms or packings for retail sale (excl. containing antibiotics, hormones or steroids used as hormones, alkaloids, provitamins, vitamins, their derivatives, antimalarial active principles and blinded clinical trial kits) | ImporterExporter | 5 | 2016-09 – 2022-10 |
| 2933 39 99 | Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused pyridine ring, whether or not hydrogenated, in the structure, n.e.s. | Importer | 4 | 2018-04 – 2025-11 |
| 2933 99 80 | Heterocyclic compounds with nitrogen hetero-atom[s] only (excl. those containing an unfused pyrazole, imidazole, pyridine or triazine ring, whether or not hydrogenated, a quinoline or isoquinoline ring-system, not further fused, whether or not hydrogenated, a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, lactams, alprazolam "INN", camazepam "INN", chlordiazepox | Importer | 4 | 2019-09 – 2025-12 |
| 2937 19 00 | Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues, used primarily as hormones (excl. somatropin, its derivatives and structural analogues, and insulin and its salts) | Importer | 4 | 2023-11 – 2024-11 |
| 9027 50 00 | Instruments and apparatus for physical or chemical analysis, using UV, visible or IR optical radiations (excl. spectrometers, spectrophotometers, spectrographs, and gas or smoke analysis apparatus) | Importer | 4 | 2020-10 – 2023-01 |
| 2924 29 70 | Cyclic amides, incl. cyclic carbamates, and their derivatives; salts thereof (excl. ureines and their derivatives, salts thereof, 2-acetamidobenzoic acid "N-acetylanthranilic acid" and its salts, ethinamate "INN", alachlor "ISO" and lidocaine "INN") | Importer | 3 | 2024-07 – 2025-01 |
| 2933 59 95 | Heterocyclic compounds with nitrogen hetero-atom"s" only, containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure (excl. malonylurea "barbituric acid" and its derivatives, allobarbital "INN", amobarbital "INN", barbital "INN", butalbital "INN", butobarbital "INN", cyclobarbital "INN", methylphenobarbital "INN", pentobarbital "INN", phenobarbital "INN", secbut | Importer | 3 | 2017-08 – 2024-02 |
| 2933 79 00 | Lactams (excl. 6-hexanelactam "epsilon-caprolactam", clobazam "INN", methyprylon "INN", and inorganic or organic compounds of mercury) | ImporterExporter | 3 | 2019-06 – 2022-11 |
| 2918 99 90 | Carboxylic acids with additional oxygen function, their anhydrides, halides, peroxides and peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. only with alcohol, phenol, aldehyde or ketone function, and 2,6-dimethoxybenzoic acid, dicamba [ISO], sodium phenoxyacetate, and 2,4,5-T [ISO] [2,4,5-trichlorophenoxyacetic acid] and its salts and esters) | Importer | 2 | 2017-10 – 2021-02 |
| 2924 19 00 | Acyclic amides, incl. acyclic carbamates, and their derivatives, and salts thereof (excl. meprobamate [INN], fluoroacetamide [ISO], monocrotophos [ISO] and phosphamidon [ISO]) | Importer | 2 | 2016-08 – 2020-03 |
| 8419 90 85 | Parts of machinery, plant and laboratory equipment, whether or not electrically heated, for the treatment of materials by a process involving a change of temperature, and of non-electric instantaneous and storage water heaters, n.e.s. (excl. of medical, surgical or laboratory sterilizers, those for the manufacture of semiconductor boules or wafers, semiconductor devices, electronic integrated circ | Importer | 2 | 2024-06 – 2025-03 |
| 8479 82 00 | Mixing, kneading, crushing, grinding, screening, sifting, homogenising, emulsifying or stirring machines, n.e.s. (excl. industrial robots) | Importer | 2 | 2020-03 – 2023-03 |
| 2501 00 99 | Salt and pure sodium chloride, whether or not in aqueous solution or containing added anti-caking or free-flowing agents (excl. table salt, salt for chemical transformation "separation of Na from Cl", denatured salt and salt for other industrial uses) | Exporter | 1 | 2022-01 – 2022-01 |
| 2845 90 90 | Isotopes and inorganic or organic compounds of such isotopes, whether or not chemically defined (excl. deuterium, heavy water "deuterium oxide" and other compounds of deuterium, hydrogen and compounds thereof, enriched in deuterium, and mixtures and solutions containing these products, and boron enriched in boron-10 and lithium enriched in lithium-6 and their compounds, and helium-3) | Importer | 1 | 2024-11 – 2024-11 |
| 2902 90 00 | Cyclic hydrocarbons (excl. cyclanes, cyclenes, benzene, toluene, xylenes, styrene, ethylbenzene and cumene) | Importer | 1 | 2018-09 – 2018-09 |
| 2921 19 99 | Acyclic monoamines and their derivatives; salts thereof (excl. methylamine, dimethylamine, trimethylamine, diethylamine, and their salts, 1,1,3,3-tetramethylbutylamine, 2-(N,N-Diethylamino)ethyl chloride hydrochloride, 2-(N,N-diisopropylamino)ethyl chloride hydrochloride and 2-(N,N-dimethylamino)ethyl chloride hydrochloride) | Importer | 1 | 2016-03 – 2016-03 |
| 2921 59 90 | Aromatic polyamines and their derivatives; salts thereof (excl. o-phenylenediamine, m-phenylenediamine, p-phenylenediamine or diaminotoluenes and their derivatives, and salts thereof, m-phenylenebis"methylamine", 2,2'-dichloro-4,4'-methylenedianiline, 4,4'-bi-o-toluidine and 1,8-naphthylenediamine) | Importer | 1 | 2023-02 – 2023-02 |
| 2922 49 85 | Amino-acids and their esters; salts thereof (excl. those containing > one kind of oxygen function, lysine and its esters, and salts thereof, and glutamic acid, anthranilic acid, tilidine "INN" and their salts and beta-alanine) | Importer | 1 | 2018-09 – 2018-09 |
| 2929 90 90 | Compounds with nitrogen function (excl. amine-function compounds; oxygen-function amino-compounds; quaternary ammonium salts and hydroxides; lecithin and other phosphoaminolipids; carboxyamide-function compounds; amide-function compounds of carbonic acid; carboxyimide-function, imine-function or nitrile-function compounds; diazo-, azo- or azoxy-compounds; organic derivatives of hydrazine or of hyd | Exporter | 1 | 2025-02 – 2025-02 |
| 2932 19 00 | Heterocyclic compounds with oxygen hetero-atom[s] only, containing an unfused furan ring, whether or not hydrogenated, in the structure (excl. tetrahydrofuran, 2-furaldehyde "furfuraldehyde", furfuryl alcohol, tetrahydrofurfuryl alcohol and sucralose) | Exporter | 1 | 2022-10 – 2022-10 |
| 2932 99 00 | Heterocyclic compounds with oxygen hetero-atom[s] only (excl. compounds containing unfused furan ring, whether or not hydrogenated, in the structure, and lactones, isosafrole, 1-[1,3-benzodioxol-5-yl]propan-2-one, piperonal, safrole, tetrahydrocannabinols "all isomers", carbofuran, and inorganic or organic compounds of mercury) | Importer | 1 | 2016-11 – 2016-11 |
| 2933 19 90 | Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused pyrazole ring, whether or not hydrogenated, in the structure (excl. phenazone "antipyrin" and its derivatives and phenylbutazone "INN") | Importer | 1 | 2016-06 – 2016-06 |
| 2933 29 90 | Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused imidazole ring, whether or not hydrogenated, in the structure (excl. hydantoin and its derivatives, naphazoline hydrochloride "INNM", naphazoline nitrate "INNM", phentolamine "INN" and tolazoline hydrochloride "INNM") | Importer | 1 | 2019-09 – 2019-09 |
| 2934 10 00 | Heterocyclic compounds containing an unfused thiazole ring, whether or not hydrogenated, in the structure | Exporter | 1 | 2023-07 – 2023-07 |
| 2934 99 60 | Chlorprothixene (INN); thenalidine (INN) and its tartrates and maleates; furazolidone (INN); 7-aminocephalosporanic acid; salts and esters of (6R,7R)-3-acetoxymethyl-7-[(R)-2-formyloxy-2-phenylacetamido]-8- oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; 1-[2-(1,3-Dioxan-2-yl)ethyl]-2-methylpyridinium bromide | Importer | 1 | 2023-02 – 2023-02 |
| 2935 90 90 | Sulphonamides (excl. perfluorooctane sulphonamides, 3-{1-[7-"hexadecylsulphonylamino"-1H-indole-3-yl]-3-oxo-1H, 3H-naphtho[1,8-cd]pyran-1-yl}-N,N-dimethyl-1H-indole-7-sulphonamide and metosulam "ISO") | Exporter | 1 | 2021-09 – 2021-09 |
| 2936 90 00 | Provitamins and mixtures of vitamins, of provitamins or of concentrates, whether or not in any solvent, and natural concentrates | Importer | 1 | 2025-09 – 2025-09 |
| 2941 20 80 | Streptomycins and their derivatives; salts thereof (excl. dihydrostreptomycin and its salts, esters and hydrates) | Importer | 1 | 2018-07 – 2018-07 |
| 3003 90 00 | Medicaments consisting of two or more constituents mixed together for therapeutic or prophylactic uses, not in measured doses or put up for retail sale (excl. antibiotics containing hormones or steroids used as hormones, but not containing antibiotics, alkaloids or derivatives thereof, hormones, antibiotics, antimalarial active principles or goods of heading 3002, 3005 or 3006) | Importer | 1 | 2016-11 – 2016-11 |
| 3926 90 97 | Articles of plastics and articles of other materials of heading 3901 to 3914, n.e.s. | Importer | 1 | 2026-03 – 2026-03 |
| 4911 10 90 | Trade advertising material and the like (other than commercial catalogues) | Importer | 1 | 2024-12 – 2024-12 |
| 6109 10 00 | T-shirts, singlets and other vests of cotton, knitted or crocheted | Importer | 1 | 2018-07 – 2018-07 |
| 8415 83 00 | Air conditioning machines comprising a motor-driven fan, not incorporating a refrigerating unit but incorporating elements for changing the temperature and humidity (excl. of a kind used for persons in motor vehicles, and self-contained or "split-system" window or wall air conditioning machines) | Importer | 1 | 2026-03 – 2026-03 |
| 8421 39 85 | Machinery and apparatus for filtering or purifying gases other than air (excl. isotope separators, those using a catalytic process, those with stainless steel housing and with inlet and outlet tube bores with inside diameters <= 1,3 cm, and particulate filters for exhaust gases from internal combustion engines) | Importer | 1 | 2024-02 – 2024-02 |
| 8422 30 00 | Machinery for filling, closing, sealing or labelling bottles, cans, boxes, bags or other containers; machinery for capsuling bottles, jars, tubes and similar containers; machinery for aerating beverages | Importer | 1 | 2020-01 – 2020-01 |
| 8517 79 00 | Parts of telephone sets, telephones for cellular networks or for other wireless networks and of other apparatus for the transmission or reception of voice, images or other data, n.e.s. | Importer | 1 | 2022-02 – 2022-02 |
| 9026 80 80 | Non-electronic instruments or apparatus for measuring or checking variables of liquids or gases, n.e.s. | Importer | 1 | 2022-12 – 2022-12 |
| 9027 10 90 | Non-electronic gas or smoke analysis apparatus | Importer | 1 | 2018-02 – 2018-02 |
| 9027 30 00 | Spectrometers, spectrophotometers and spectrographs using optical radiations, such as UV, visible, IR | Exporter | 1 | 2023-06 – 2023-06 |
| 9027 80 17 | Electronic instruments and apparatus for physical or chemical analysis or for measuring viscosity, porosity, expansion, surface tension or the like, or for measuring heat, sound or light, n.e.s. | Exporter | 1 | 2019-09 – 2019-09 |
| 9027 80 99 | Non-electronic instruments and apparatus for physical or chemical analysis or for determining surface tension or the like, or for measuring heat or sound, n.e.s. | Importer | 1 | 2018-08 – 2018-08 |
| 9027 90 00 | Microtomes; parts and accessories of instruments and apparatus for physical or chemical analysis, instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like, instruments and apparatus for measuring or checking quantities of heat, sound or light, and of microtomes, n.e.s. | Importer | 1 | 2025-05 – 2025-05 |
| 9030 33 80 | Non-electronic instruments and apparatus for measuring or checking voltage, current or electrical power, without recording device (excl. multimeters, oscilloscopes and oscillographs) | Exporter | 1 | 2017-01 – 2017-01 |
| 9031 80 80 | Non-optical instruments, appliances and machines for measuring or checking, n.e.s. in Ch 90 | Importer | 1 | 2018-12 – 2018-12 |