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Tandom

The building blocks of global trade.

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  • Tariff Calculator
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Resources/Guides

Resource Center

Guides

Practical guides to recurring trade-compliance questions. Each guide is broker-grade, primary-source-cited, and walks through a real worked example with deep links into the Tandom calculator and AD/CVD catalog.

Topics
Topics

6 guides

How to find the right HTS code for your product

A working classification workflow: search by description, read the section and chapter notes, apply the GRIs, confirm the 10-digit suffix.

13 min read·Updated May 5, 2026

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Tariff classification for products with mixed materials and components

How to classify composite goods and retail kits with the GRIs: relative specificity, essential character, sets put up for retail sale, GRI 5 cases.

12 min read·Updated May 5, 2026

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How to request a CBP binding ruling

When to file an eRulings request, what to put in it, where it goes, and how the binding effect works. Written for brokers and compliance teams.

11 min read·Updated May 5, 2026

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How to bulk-classify SKU descriptions with the Tandom HTS Classifier API

Run thousands of product descriptions through HTS classification, score the confidence, and triage the borderline rows. For brokers and ecommerce ops.

11 min read·Updated May 5, 2026

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How to validate broker HTS classifications using the Tandom HTS API

Build a second-pass HTS classification audit on a year of broker entries using Tandom's classifier API. Workflow, code, and the obligation behind it.

11 min read·Updated May 5, 2026

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How to write a Claude or ChatGPT prompt that produces broker-grade HTS classifications

Why raw LLM prompts fabricate stat suffixes, why MCP-augmented prompts do not, and the prompt template a broker can hand to Claude or ChatGPT today.

14 min read·Updated May 5, 2026

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