Lee Hishammuddin Allen & Gledhill

Jason Tan Jia Xin

Partner

Tax, Customs & Trade

Get in touch

Jason Tan Jia Xin

Partner

Tax, Customs & Trade

Get in touch

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"Jason Tan Jia Xin was very supportive and kept his clients in the know on what was happening in the courts."

Legal 500 Asia-Pacific, 2024

"Jason is very supportive and hard-working to assist us with the subject matter."

Chambers Asia-Pacific, 2024

Jason’s primary area of practice is income tax and customs litigation, trade remedy investigations, tax and customs investigations and trade facilitation.

He has been involved in many of the largest income tax and customs disputes before all levels of Court on major points of tax law. The disputes involve issues on transfer pricing, withholding tax, income recognition, capital allowance, reinvestment allowance, double taxation agreements, deductibility of expenditure, excise valuation and customs procedures.

Jason also represents a sizeable number of manufacturers in local and foreign trade remedy investigations such as anti-dumping, safeguard duties, countervailing duties and anti-circumvention investigations.

He is also particularly active on issues relating to excise duty valuation, import and export controls, customs compliance, international trade regulations, customs valuation, sales and services tax and customs penalties.

Jason is a regular speaker on the tax scene on issues relating to income tax and customs. Jason was recently recognised as a “Leading Individual” by the Tax practice in The Legal 500 Asia-Pacific 2024 and was acknowledged as a “Future Star” in the Benchmark Litigation Asia Pacific 2024 rankings, and a “Rising Star of the Year” in the Benchmark Litigation Asia-Pacific Awards 2023. Jason is also ranked as “Up and Coming” in the tax practice by the Chambers Asia-Pacific 2024 rankings, as well as a “Notable Practitioner” by the Asialaw Profiles 2023/2024.

Jason has contributed to the Malaysian chapter of the Tax Disputes and Litigation Review (11th Edition, 2023), and to the Malaysian Chapter of the Lexology Getting the Deal Through – Tax Controversy 2024.

Jason’s primary area of practice is income tax and customs litigation, trade remedy investigations, tax and customs investigations and trade facilitation.

He has been involved in many of the largest income tax and customs disputes before all levels of Court on major points of tax law. The disputes involve issues on transfer pricing, withholding tax, income recognition, capital allowance, reinvestment allowance, double taxation agreements, deductibility of expenditure, excise valuation and customs procedures.

Jason also represents a sizeable number of manufacturers in local and foreign trade remedy investigations such as anti-dumping, safeguard duties, countervailing duties and anti-circumvention investigations.

He is also particularly active on issues relating to excise duty valuation, import and export controls, customs compliance, international trade regulations, customs valuation, sales and services tax and customs penalties.

Jason is a regular speaker on the tax scene on issues relating to income tax and customs. Jason was recently recognised as a “Leading Individual” by the Tax practice in The Legal 500 Asia-Pacific 2024 and was acknowledged as a “Future Star” in the Benchmark Litigation Asia Pacific 2024 rankings, and a “Rising Star of the Year” in the Benchmark Litigation Asia-Pacific Awards 2023. Jason is also ranked as “Up and Coming” in the tax practice by the Chambers Asia-Pacific 2024 rankings, as well as a “Notable Practitioner” by the Asialaw Profiles 2023/2024.

Jason has contributed to the Malaysian chapter of the Tax Disputes and Litigation Review (11th Edition, 2023), and to the Malaysian Chapter of the Lexology Getting the Deal Through – Tax Controversy 2024.

  • Income Tax Disputes
  • Customs Disputes
  • Trade Remedies
  • Anti-dumping Duties and Countervailing Measures
  • Safeguard Duties
  • Non-Tariff Barriers
  • Trade Facilitation
  • LLB (Hons), Cardiff University
  • Called to the Bar of England and Wales (Lincoln’s Inn)
  • Advocate & Solicitor of the High Court of Malaya

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