Harmonized System - Knowledge Base

    HSKB-25.07.10.0

    July 11, 2025

    US update
    The cHemTS US Knowledge Base has been updated to "Harmonized Tariff Schedule of the United States - 2025 HTS Revision 16"

    US Schedule B
    The US_B cHemTS Knowledge Base has been updated to "Schedule B 2025 (July 1, 2025)"

    HSKB-25.07.09.0

    July 10, 2025

    UK update
    The cHemTS UK Knowledge Base has been updated to UK Import Tariffs v4.0.1054 (8 July 2025)

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information" (June 30, 2025)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information" (June 30, 2025)

    HSKB-25.04.08.0

    April 9, 2025

    UK update
    The cHemTS UK Knowledge Base has been updated to UK Import Tariffs v4.0.966 (4 April 2025)

    HSKB-25.04.04.0

    April 7, 2025

    JP update
    The cHemTS JP Knowledge Base has been updated to "Japan's Tariff Schedule as of April 1 2025" for the import codes

    HSKB-25.04.02.0

    April 3, 2025

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information" (March 31, 2025)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information" (March 31, 2025)

    HSKB-25.02.26.0

    February 27, 2025

    Improvement
    Search performance has been further improved for the 2918 heading.

    HSKB-25.02.20.0

    February 20, 2025

    Improvement
    Search performance has been improved for the 2918 heading.

    HSKB-25.01.31.0

    February 3, 2025

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information" (January 30, 2025)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information" (January 30, 2025)

    HSKB-25.01.28.0

    January 29, 2025

    UK update
    The cHemTS UK Knowledge Base has been updated to UK Import Tariffs v4.0.785 (28 January 2025)

    HSKB-25.01.24.0

    January 27, 2025

    CA update
    The cHemTS CA Knowledge Base has been updated to "Canada Customs Tariff 2025 (T2025 - Effective date: 2025-01-01)"

    HSKB-25.01.21.0

    January 22, 2025

    UK update
    The cHemTS UK Knowledge Base has been updated to UK Import Tariffs v4.0.763 (21 January 2025)

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information v1.1" (January 14, 2025)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information v1.1" (January 14, 2025)

    HSKB-25.01.17.0

    January 20, 2025

    JP update
    The cHemTS JP Knowledge Base has been updated to "Japan's Tariff Schedule as of January 1 2025" for the import codes

    JP_EXPORT update
    The cHemTS JP_EXPORT Knowledge Base has been updated to Japan's "Export Statistics Commodity List (January 2025 Edition)"

    HSKB-25.01.16.0

    January 17, 2025

    CN update
    The cHemTS Knowledge Base has been updated to the "Import and Export Tariff Rules of the People's Republic of China (2025)"

    HSKB-25.01.15.0

    January 16, 2025

    US update
    The cHemTS US Knowledge Base has been updated to the "US 2025 Basic Edition" (January 2025, Publication Number: 5575)

    HSKB-25.01.14.0

    January 14, 2025

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information v1.0" (December 30, 2024)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information v1.0" (December 30, 2024)

    UK update
    The cHemTS UK Knowledge Base has been updated to UK Import Tariffs v4.0.698 (January 2, 2025)

    HSKB-24.11.06.0

    November 6, 2024

    UK update
    The cHemTS UK Knowledge Base has been updated to UK Import Tariffs v4.0.567 (October 25, 2024)

    HSKB-24.10.01.0

    October 2, 2024

    US update
    The cHemTS US Knowledge Base has been updated to "Harmonized Tariff Schedule of the United States - 2024 HTS Revision 9"

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information v1.0" (September 30, 2024)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information v1.0" (September 30, 2024)

    HSKB-24.09.26.0

    September 27, 2024

    FDA Orange and Green Books update
    The cHemTS Knowledge Base has been updated to include the latest August 2024 release of the FDA Orange and Green Books.

    HSKB-24.08.29.0

    September 2, 2024

    CA update
    The cHemTS CA Knowledge Base has been updated to Customs Tariff T2024-1 (effective date: September 1, 2024)

    HSKB-24.08.22.0

    August 26, 2024

    New country added: Canada (CA)
    According to the latest "Customs Tariff 2024" - effective date: Jan 1, 2024.

    HSKB-24.07.31.0

    July 31, 2024

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information v1.0" (July 30, 2024)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information v1.0" (July 30, 2024)

    UK update
    The cHemTS UK Knowledge Base has been updated to UK Import Tariffs v4.0.394 (July 30, 2024)

    HSKB-24.07.19.0

    July 19, 2024

    UK update
    The cHemTS UK Knowledge Base has been updated to UK Import Tariffs v4.0.339 (July 10, 2024)

    HSKB-24.07.10.0

    July 11, 2024

    UK update
    The cHemTS UK Knowledge Base has been updated to UK Import Tariffs v4.0.337 (July 9, 2024)

    HSKB-24.07.09.0

    July 10, 2024

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information v1.0" (June 28, 2024)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information v1.0" (June 28, 2024)

    HSKB-24.07.03.0

    July 4, 2024

    US update
    The cHemTS US Knowledge Base has been updated to "Harmonized Tariff Schedule of the United States - 2024 HTS Revision 4"

    US Schedule B
    The US_B cHemTS Knowledge Base has been updated to "Schedule B 2024 (July 1, 2024)"

    HSKB-24.06.19.0

    June 20, 2024

    US update
    The cHemTS US Knowledge Base has been updated to "Harmonized Tariff Schedule of the United States - 2024 HTS Revision 3"

    HSKB-24.06.12.0

    June 13, 2024

    UK update
    The cHemTS UK Knowledge Base has been updated to UK Import Tariffs v4.0.242 (June 8, 2024)

    HSKB-24.06.03.0

    June 4, 2024

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information v1.0" (May 30, 2024)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information v1.0" (May 30, 2024)

    UK update
    The cHemTS UK Knowledge Base has been updated to UK Import Tariffs v4.0.237 (June 2, 2024)

    HSKB-24.05.17.0

    May 18, 2024

    The previously released HSKB-24.05.10.0 knowledge base update introduced an issue affecting the Switzerland export-import statistical codes. This is now fixed by this release.

    HSKB-24.05.10.0

    May 13, 2024

    CH update
    The cHemTS Knowledge Base has been updated to the latest version of the Switzerland Import and Export Customs Tariffs (valid from: 26 April, 2024)

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information v1.0" (April 29, 2024)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information v1.0" (April 29, 2024)

    UK update
    The cHemTS Knowledge Base has been updated to UK Import Tariffs v4.0.205 (25 April 2024)

    HSKB-24.05.02.0

    May 3, 2024

    General query improvements
    Improved queries in heading 2905 and excluded ethyl alcohol from Chapter 29 - as it should not be classified with other acyclic alcohols of heading 29.05 - but in Chapter 22 (Beverages, spirits and vinegar).
    (Minor corrections in India's Knowledge Base.)

    HSKB-24.04.04.0

    April 5, 2024

    JP update
    The cHemTS JP Knowledge Base has been updated to "Japan's Tariff Schedule as of April 1 2024" for Japan import codes

    HSKB-24.03.07.0

    March 8, 2024

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information v1.0" (February 28, 2024)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information v1.0" (February 28, 2024)

    UK update
    The cHemTS UK Knowledge Base has been updated to "UK Import Tariffs v4.0.157" (February 27, 2024)

    HSKB-24.02.05.0

    February 7, 2024

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information v1.0" (January 30, 2024)

    US update
    The cHemTS US Knowledge Base has been updated to "Harmonized Tariff Schedule of the United States - 2024 HTS Revision 1"

    HSKB-24.01.26.0

    January 26, 2024

    JP update
    The cHemTS JP Knowledge Base has been updated to "Japan's Tariff Schedule as of January 1 2024" for Japan import codes

    JP_EXPORT update
    The cHemTS JP_EXPORT Knowledge Base has been updated to "Export statistics table (January 2024 version)"

    HSKB-24.01.24.0

    January 24, 2024

    EU update
    The cHemTS EU Knowledge Base has been updated to "EU TARIC and Quota data & information v1.1" (January 5, 2024)

    DE update
    The cHemTS DE Knowledge Base has been updated according to "EU TARIC and Quota data & information v1.1" (January 5, 2024)

    UK update
    The cHemTS UK Knowledge Base has been updated to "UK Import Tariffs v4.0.60" (January 13, 2024)

    HSKB-24.01.22.0

    January 22, 2024

    US update
    The US cHemTS Knowledge Base has been updated to "Harmonized Tariff Schedule of the United States - 2024 Basic Edition"

    US_B update
    The US_B cHemTS Knowledge Base has been updated to "Schedule B 2024 (January 1, 2024)"

    HSKB-24.01.10.0

    January 11, 2024

    CH update
    The cHemTS Knowledge Base has been updated to the latest version of the Switzerland Import and Export Customs Tariffs (valid from: 1.1.2024)

    CN update
    The "Import and Export Tariff Rules of the People's Republic of China (2024)" document was published but NO CHANGES were found compared to the latest cHemTS Knowledge Base version

    IN update
    The "Import and Export Tariff Rules of the People's Republic of China (2024)" document was published but NO CHANGES were found compared to the latest cHemTS Knowledge Base version

    HSKB-23.11.30.0

    November 30, 2023

    EU update
    The cHemTS Knowledge Base has been updated to the EU TARIC and Quota data & information (29 November 2023)

    UK update
    The cHemTS Knowledge Base has been updated to UK Import Tariffs v4.0.15 (26 November 2023)

    HSKB-23.10.25.0

    October 27, 2023

    DE - new country New country: Germany (DE) was created by adding "0" to the EU's TARIC codes - to comply with Germany's 11-digit import codes (e.g. "2922.21.0030.0")

    UK update
    The cHemTS Knowledge Base has been updated to UK Import Tariffs v3.0.252 (23 October 2023)

    HSKB-23.10.16.0

    October 17, 2023

    UK update
    The cHemTS Knowledge Base has been updated to the EU TARIC and Quota data & information (29 September 2023) and the UK Import Tariffs v3.0.242 (5 October 2023)

    US update - China Tariffs
    The US Knowledge Base has been updated with "China Tariffs" (US Section 301) Chapter 99 of the Harmonized Tariff Schedule of the United States, Revision 11 (2023).
    Chapter 99 lists HTS subheadings that are subject to an additional duty if they are products of China and the exclusions granted in Subchapter III.
    Special restrictions is the new Output field where such country-specific regulations can be obtained.
    Note: this new content is available only in the 23.12.0 or newer versions of the Compliance Checker software. No other content changes are in Revision 10 and 11.
    This update has improved code assignment for structures to be classified in Chapter 32, too.

    HSKB-23.09.07.0

    September 11, 2023

    EU update
    The cHemTS Knowledge Base has been updated to the EU TARIC and Quota data & information (30 August 2023)

    UK update
    The cHemTS Knowledge Base has been updated to UK Import Tariffs v3.0.222 (12 August 2023)

    HSKB-23.07.31.0

    August 1, 2023

    UK update
    The cHemTS Knowledge Base has been updated to UK import tariffs v3.0.204 (29 July 2023)

    HSKB-23.07.26.0

    July 27, 2023

    UK update
    The cHemTS Knowledge Base has been updated to UK import tariffs v3.0.202 (22 July 2023)

    HSKB-23.07.13.0

    July 18, 2023

    EU update
    The cHemTS Knowledge Base has been updated to the EU TARIC and Quota data & information (29 June 2023) In this release the 2928 heading queries have been improved.

    UK update
    The cHemTS Knowledge Base has been updated to UK import tariffs v3.0.197 (12 July 2023)

    HSKB-23.07.05.0

    July 6, 2023

    US update
    US cHemTS Knowledge Base has been updated to the "Harmonized Tariff Schedule of the United States (2023 Revision 9) - June 30, 2023"

    HSKB-23.06.28.0

    July 3, 2023

    UK update
    The cHemTS Knowledge Base has been updated to UK import tariffs v3.0.187 (23 June 2023)

    EU update
    The cHemTS Knowledge Base has been updated to the EU TARIC and Quota data & information (announced on 30 May 2023 but changes only take effect on 1 July 2023)

    HSKB-23.05.24.0

    May 30, 2023

    General query improvements
    Improved (heading) queries for 2911 (acetals), 2932 (THC isomers), 2933 (macrolactams), 2934 (phtalimides) and some minor improvements.

    HSKB-23.04.29.0

    May 2, 2023

    IN update
    The Indian cHemTS Knowledge Base has been updated according to the latest release - "Customs Tariff (as of 01.05.2023)" - published by the Central Board of Indirect Taxes & Customs, Department of Revenue, Ministry of Finance, Government of India.

    General query improvements
    The query structures representing the fentanyl derivatives in 2933.34 and 2934.92 subheadings have been improved.

    HSKB-23.04.21.0

    April 24, 2023

    CH update - 11-digit codes
    For Switzerland 11-digit codes were introduced. Every 8-digit Swiss tariff number has a 3-digit statistical key.
    The new pharmaceutical agents' 11-digit Swiss codes are assigned based on a lookup in the FDA's Orange Book and Green Book.
    Some statistical keys are different for Import and Export.
    - CH is the country code for Switzerland Import
    - CH_EXPORT is the country code for Switzerland Export

    Chapter 32
    In Chapter 32 "TANNING OR DYEING EXTRACTS; tannins and their derivatives; dyes, pigments and other colouring matter..." the 3200 code has been corrected to the 3204 heading code.

    JP_Exp update
    JP_Exp country code for 'Japan Export' was changed to JP_EXPORT

    General mixtures' improvements
    Some new solvents were added to the solvents (removable fragments) dictionary: dichloromethane, chloroform, trifluoroethanol, N-methyl-2-pyrrolidone.
    These solvents are not considered as mixture components of chemically defined structures.

    HSKB-23.03.03.0

    March 6, 2023

    UK update
    The cHemTS Knowledge Base has been updated to UK import tariffs v3.0.124 (2 March 2023).

    HSKB-23.03.01.0

    March 1, 2023

    EU update
    The cHemTS Knowledge Base has been updated to the EU (2023-02-27) TARIC and Quota data & information.

    HSKB-23.02.27.0

    February 28, 2023

    IN update
    The IN cHemTS Knowledge Base has been updated according to the latest release - "Tariff (as on 01.02.2023)" - published by the Central Board of Indirect Taxes & Customs, Department of Revenue, Ministry of Finance, Government of India.

    HSKB-23.02.23.0

    February 24, 2023

    UK update
    The cHemTS Knowledge Base has been updated to UK import tariffs v3.0.119 (22 February 2023).

    HSKB-23.02.20.0

    February 21, 2023

    EU update
    The cHemTS Knowledge Base has been updated to the EU (2023-01-31) TARIC and Quota data & information.

    HSKB-23.01.18.0

    January 19, 2023

    US update
    The cHemTS Knowledge Base has been updated to US version 2023 Basic Edition.

    CN update
    The cHemTS Knowledge Base has been updated to the "Import and Export Tariff Rules of the People's Republic of China (2023)".

    HSKB-23.01.09.0

    January 11, 2023

    UK update
    The cHemTS Knowledge Base was updated for UK (v3.0.82 / 13 December 2022) The UK Pharma Agreement content was updated according to United Kingdom Customs Tariff: Reliefs from Import Duty (v1.5 / 10 July 2022)

    General updates
    Published tariffs of the following countries/versions were updated but NO CHANGES were found compared to the latest cHemTS Knowledge Base version:
    JP - Japan's Tariff Schedule (January 1 2023) - no changes
    JP_Exp - Japan Export Statistics Item Table (January 1 2023) - no changes
    CH - Switzerland Tariff structure (29.12.2022) - no changes
    US - Harmonized Tariff Schedule of the United States (Revision 8 / 2022) - no changes

    Amalgams
    In 2852 (and 2843 Precious metals' amalgams) were updated together with other mercury compounds in 2853

    Classification labels
    In the UK and EU cHemTS Knowledge Base some Classification labels were updated for some exact structures

    HSKB-22.11.18.0

    November 22, 2022

    • New content added: Japan Export - according to the actual "Export Statistics, 2022 version (HS2022)" - released on January 1, 2022.

    HSKB-22.10.28.0

    November 04, 2022

    • New country added: Japan (JP) - according to the latest "Japan's Tariff Schedule (Statistical Code for Import)" - released on Apr 1, 2022.

    HSKB-22.09.28.0

    September 28, 2022

    • The US cHemTS Knowledge Base has been updated to 2022 Revision 10

    HSKB-22.09.22.0

    September 23, 2022

    • Classification labels have been revised on the relevant tariff codes - according to the new search logic of classifications.

    HSKB-22.07.29.0

    August 3, 2022

    • The cHemTS Knowledge Base has been updated with PRECIOUS METALS described in Chapter 28's 2843 heading.
    • Versions: UK (v2.2.1), EU (February 28, 2022), US (Basic Edition), US_B (February 22, 2022), CH (01.01.2022), CN (March 07, 2022), IN (June 07, 2022).

    HSKB-22.07.19.0

    July 22, 2022

    • The IN cHemTS Knowledge Base has been updated with Chapter 29 of "Tariff (w.e.f. 01.05.2022)" published by the Central Board of Indirect Taxes & Customs, Department of Revenue, Ministry of Finance, Government of India.

    HSKB-22.06.21.0

    June 21, 2022

    • The cHemTS Knowledge Base has been updated with MIXTURES described in Chapter 38.
    • Versions: UK (v2.2.1), EU (published on February 2, 2022), US (2022 Revision 2), US_B (February 10, 2022), CH (01.01.2022), CN (2022-01-01), IN (01-01-2022).
    • Now mixtures of chemically defined structures (according to the World Customs Organization's descriptions) in subheadings 3824.8 and 3824.9 and heading 3827 get their Chapter 38 codes.
    • Salts - as most of them are defined in Chapter 29 - and some common solvents are not considered as mixture components.
    • Please note that assigning codes from Chapter 38 also requires using the latest cHemTS software (version 22.11.0).

    HSKB-22.04.19.0

    April 20, 2022

    • The CN cHemTS Knowledge Base has been updated with Chapter 29 of "Import and Export Tariff Schedule of the People's Republic of China (2022)"

    HSKB-22.04.11.0

    April 12, 2022

    • Updated Chapter 29 of US Schedule B 2022, published on April 5, 2022
    • Specified "Fatty acids with a carbon chain length..." in EU/UK

    HSKB-22.03.31.0

    April 1, 2022

    • The US HTS Knowledge Base has been updated according to the WCO 2022 changes: "Harmonized TariffSchedule of the UnitedStates (2022) - Basic Edition - January 2022 - Publication Number: 5277"
    • Specification of Tributyltin compounds (2931.20) has been improved.

    HSKB-22.02.22.0

    February 22, 2022

    • The 2022 version of the isotopes related HS codes (2845.xx) for European Union, United Kingdom and Switzerland has been added to the Knowledge Base.

    HSKB-22.02.14.0

    February 14, 2022

    • The CH HTS Knowledge Base has been updated according to the WCO 2022 changes (Stand: 1.1.2022).
    • The drug list used in the drug info field has been updated according to the December 2021 version of FDA Orange Book.

    HSKB-22.01.31.0

    January 31, 2022

    • The EU HTS Knowledge Base has been updated according to the WCO 2022 changes (to the EU 2022 January version).
    • The UK HTS Knowledge Base has been updated according to the WCO 2022 changes (to the UK 2022 v2.1.6 version).

    HSKB-21.12.21.0

    December 21, 2021

    • New country added: United Kingdom (UK) according to their v2.0.24 version update.
    • The matching drug name from Pharma Agreement is displayed in the Pharma Agreement field from software version 21.19.0.

    HSKB-21.12.02.0

    December 02, 2021

    • US KB has been updated to "2021 Basic Revision 10"
    • China (PRC) KB released with CN country code
    • updated list of structures to be directed to the appropriate 2936, 2937, 2938, 2940, 2941 headings defined by the European Commision Taxation and Customs Union database, ECICS (https://ec.europa.eu/taxation_customs/dds2/ecics/chemicalsubstance_consultation.jsp?Lang=en)
    • The matching FDA drug name is displayed in Drug Info box from software version 21.18.0.

    HSKB-21.11.12.0

    November 12, 2021

    • Important changes: those heading and subheading descriptions are consolidated which are defined by the World Customs Organization's (WCO) Harmonized System (HS). So any typo, punctuation or translation error occurring in a country's description is corrected according to the WCO HS.
    • Some minor changes in queries for special molecule structures.

    HSKB-21.09.14.0

    September 14, 2021

    • India has been added to the content.
    • The Pharma Agreement content has been improved: The Salt dictionary has been updated.
    • Identification of Drugs has been improved by looking up both in the FDA Orange Book and Green Book.


    HSKB-21.05.14.0

    May 18, 2021

    Drug information is available.

    HSKB-21.04.26.0

    April 26, 2021


    HSKB-21.01.14.0

    February 1, 2021


    HSKB-21.02.01.0

    February 23, 2021