| 3002 59 00 | Cell cultures, whether or not modified (excl. cell therapy products) | ImporterExporter | 11 | 2025-08 – 2026-07 |
| 2942 00 00 | Separate chemically defined organic compounds, n.e.s. | ImporterExporter | 9 | 2025-08 – 2026-05 |
| 3821 00 00 | Prepared culture media for the development or maintenance of micro-organisms "incl. viruses and the like" or of plant, human or animal cells | Importer | 9 | 2025-08 – 2026-07 |
| 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 | 8 | 2025-08 – 2026-05 |
| 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 | 7 | 2025-08 – 2026-04 |
| 3822 19 00 | Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits (excl. for malaria, for Zika and other diseases transmitted by mosquitoes of the genus Aedes, for blood-grouping, and goods of 3006) | Importer | 6 | 2025-09 – 2026-07 |
| 2914 29 00 | Cyclanic, cyclenic or cycloterpenic ketones, without other oxygen function (excl. cyclohexanone, methylcyclohexanones, ionones and methylionones) | Importer | 4 | 2025-09 – 2026-02 |
| 3002 12 00 | Antisera and other blood fractions | Importer | 4 | 2025-08 – 2026-02 |
| 2914 79 00 | Halogenated, sulphonated, nitrated or nitrosated derivatives of ketones or quinones (excl. chlordecone "ISO" and inorganic or organic compounds of mercury) | Importer | 3 | 2025-10 – 2026-04 |
| 3001 20 10 | Extracts of glands or other organs or of their secretions, of human origin, for organo-therapeutic uses | Importer | 3 | 2025-08 – 2026-03 |
| 3822 90 00 | Certified reference materials | Importer | 3 | 2025-10 – 2026-03 |
| 2931 90 00 | Separate chemically defined organo-inorganic compounds (excl. organo-sulphur, mercury, tetramethyl lead, tetraethyl lead and tributyltin compounds, and organo-phosphorous derivatives) | Importer | 2 | 2025-08 – 2025-10 |
| 2933 69 80 | Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused triazine ring, whether or not hydrogenated, in the structure (excl. melamine, atrazine "ISO", propazine "ISO", simazine "ISO", hexahydro-1,3,5-trinitro-1,3,5-triazine "hexogen, trimethylenetrinitramine", methenamine [INN] "hexamethylenetetramine" and 2,6-di-tert-butyl-4-[4,6-bis"octylthio"-1,3,5-triazine-2-ylamino]phen | Importer | 2 | 2025-08 – 2025-11 |
| 2933 79 00 | Lactams (excl. 6-hexanelactam "epsilon-caprolactam", clobazam "INN", methyprylon "INN", and inorganic or organic compounds of mercury) | Importer | 2 | 2025-08 – 2026-02 |
| 2106 90 98 | Food preparations, n.e.s., containing, by weight, >= 1,5% milkfat, >= 5% sucrose or isoglucose, >= 5% glucose or >= 5% starch | Importer | 1 | 2025-09 – 2025-09 |
| 2843 90 90 | Inorganic or organic compounds of precious metals, whether or not chemically defined (excl. silver and gold) | Importer | 1 | 2026-05 – 2026-05 |
| 2850 00 90 | Borides, whether or not chemically defined (excl. compounds which are also carbides of heading 2849, and inorganic or organic compounds of mercury) | Importer | 1 | 2025-12 – 2025-12 |
| 29 | HS chapter: HMRC publishes no description for a chapter-level link | ImporterExporter | 1 | 2026-04 – 2026-04 |
| 2908 19 00 | Derivatives containing only halogen substituents and their salts, of phenols or phenol-alcohols (excl. pentachlorophenol [ISO]) | Importer | 1 | 2026-01 – 2026-01 |
| 2909 50 00 | Ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or nitrosated derivatives | Importer | 1 | 2026-01 – 2026-01 |
| 2914 50 00 | Ketone-phenols and ketones with other oxygen function | Importer | 1 | 2026-03 – 2026-03 |
| 2915 90 70 | Saturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. formic acid and acetic acid, mono-, di- or trichloroacetic acids, propionic acid, butanoic and pentanoic acids, palmitic, stearic and lauric acids and their salts and esters, and acetic anhydride) | Importer | 1 | 2025-12 – 2025-12 |
| 2916 20 00 | Cyclanic, cyclenic or cycloterpenic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. inorganic or organic compounds of mercury) | Importer | 1 | 2025-12 – 2025-12 |
| 2916 39 90 | Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. benzoic acid, its salts and esters, benzoyl peroxide, benzoyl chloride, binapacryl [ISO], phenylacetic acid, its salts and esters, and inorganic or organic compounds of mercury whether or not chemically defined) | Importer | 1 | 2026-04 – 2026-04 |
| 2918 30 00 | Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives | Importer | 1 | 2025-12 – 2025-12 |
| 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 | 1 | 2025-09 – 2025-09 |
| 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 | 1 | 2026-02 – 2026-02 |
| 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 | Importer | 1 | 2026-04 – 2026-04 |
| 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 | 2026-02 – 2026-02 |
| 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. | Exporter | 1 | 2025-10 – 2025-10 |
| 2937 29 00 | Steroidal hormones, their derivatives and structural analogues, used primarily as hormones (excl. cortisone, hydrocortisone, prednisone "dehydrocortisone", prednisolone "dehydrohydrocortisone", halogenated derivatives of corticosteroidal hormones, oestrogens and progestogens) | Importer | 1 | 2026-03 – 2026-03 |
| 3001 90 98 | Dried glands and other organs for organo-therapeutic uses, whether or not powdered, and other substances of animal origin prepared for therapeutic or prophylactic uses, n.e.s. (excl. heparin and its salts) | Importer | 1 | 2025-10 – 2025-10 |
| 3002 90 10 | Human blood | Exporter | 1 | 2026-06 – 2026-06 |
| 3908 90 00 | Polyamides, in primary forms (excl. polyamides-6, -11, -12, -6,6, -6,9, -6,10 and -6,12) | Importer | 1 | 2026-02 – 2026-02 |
| 6815 19 00 | Articles of graphite or carbon, for non-electrical purposes (excl. carbon fibres and articles of carbon fibres) | Importer | 1 | 2026-01 – 2026-01 |
| 7304 41 00 | Tubes, pipes and hollow profiles, seamless, of circular cross-section, of stainless steel, cold-drawn or cold-rolled "cold-reduced" (excl. line pipe of a kind used for oil or gas pipelines, casing and tubing of a kind used for drilling for oil or gas) | Importer | 1 | 2026-03 – 2026-03 |
| 8523 49 10 | Digital versatile discs "DVDs", recorded | Importer | 1 | 2026-03 – 2026-03 |
| 8541 49 00 | Photosensitive semiconductor devices (excl. photovoltaic generators and cells) | Importer | 1 | 2026-01 – 2026-01 |
| 9023 00 80 | Instruments, apparatus and models designed for demonstrational purposes, e.g. in education or exhibitions, unsuitable for other uses (excl. ground flying trainers of heading 8805, collectors' pieces of heading 9705, antiques of an age > 100 years of heading 9706 and of the type used for teaching physics, chemistry and technical subjects) | Exporter | 1 | 2025-09 – 2025-09 |
| 9027 20 00 | Chromatographs and electrophoresis instruments | Importer | 1 | 2025-11 – 2025-11 |
| 9027 30 00 | Spectrometers, spectrophotometers and spectrographs using optical radiations, such as UV, visible, IR | Importer | 1 | 2025-12 – 2025-12 |