When Multimedia Speaker Systems Got Louder in the Courtroom
A landmark tariff classification case study on multimedia speaker systems, explaining HS code 8519, the principal function test, GRIs, WCO guidance, and… Read More →
Articles on tariff classification and trade compliance
Case studies and commentary by Surajit Roy on HS classification, the General Rules for Interpretation, customs rulings and export controls.
Anti-Rust Preparations HS/Tariff Classification
Learn how to classify anti-rust preparations under HS 2710, 3403, or 3824. Understand GRI 1, petroleum oil thresholds, CBP CROSS rulings, and… Read More →
Tariff Classification Case Study on Indian Refractory Mortar
Expert tariff classification case study explaining why Indian Refractory Mortar correctly falls under HS 3816, using GRIs and WCO Explanatory Notes to… Read More →
Case Study on the Legal Impact of ‘Solely’ vs ‘Principally’ Use in Tariff Classification
A practical case study explaining the legal impact of ‘solely’ vs ‘principally’ use in tariff classification, highlighting correct HS code selection, Section… Read More →
HS Classification Case Study of Access Controller Face Recognition System
Case study on HS classification conflict between 847160 and 8543 for biometric access controllers, applying GRIs, WCO Explanatory Notes, and Customs Notification… Read More →
Indian Export Duty Savings Schemes – A Simple Guide for Everyone
Indian Export Duty Savings Schemes explained in simple language. Learn Advance Authorisation, DFIA, Duty Drawback, RoDTEP and RoSCTL to reduce export costs… Read More →
Classification for DC-DC Converter Power Modules
Expert guide to HS classification of DC-DC converter power modules using WCO HS 2022, GRIs and Explanatory Notes, with legal justification, risk… Read More →
Building an Audit-Proof HS Classification File
Learn how to build an audit-proof HS classification file. A step-by-step guide for trade compliance experts to document, justify, and defend HS… Read More →
How Country-Specific Tariff Variations Affect Your Global Supply Chain
Discover how country-specific HS code extensions in India, ASEAN, the EU, and the US create different tariff outcomes. Learn to manage global… Read More →