Official Trade Compliance Resources

Your curated directory to US customs authorities, regulatory portals, and essential trade tools. All links verified and updated monthly.

Official Search Tools & Master Guides

Essential resources for HTS classification and official CBP import procedures.

HTS Online Search

Harmonized Tariff Schedule of the United States official search engine.

hts.usitc.gov

CROSS Rulings

Searchable database of legal rulings on classification and valuation.

rulings.cbp.gov

U.S. Import Guide

CBP's comprehensive handbook: 'Importing into the United States'.

www.cbp.gov/document/publications/importing-united-states

Customs Regulations

Title 19 of the Code of Federal Regulations (eCFR).

www.ecfr.gov/current/title-19

China Trade Remedies & Measures

Specific tools to check Section 301, AD/CVD, and other trade enforcement items.

Section 301 Remedies

Official updates on Section 301 duties and exclusion extensions.

www.cbp.gov/trade/programs-administration/entry-summary/section-301-trade-remedies

AD/CVD Search

Search for Antidumping and Countervailing Duty cases and rates (ACCESS).

access.trade.gov

PGA Requirements

Guidance for items regulated by FDA, USDA, EPA, and other partner agencies.

www.cbp.gov/trade/programs-administration/entry-summary/pga

Valuation Encyclopedia

CBP's guide to customs valuation, commissions, and assists.

www.cbp.gov/document/guidance/customs-valuation-encyclopedia-1980-2021

Filling & Operational Resources

Standard forms and technical instructions for ACE entry filing.

CBP Forms Library

Access to all official CBP forms including 7501, 3461, and ISF.

www.cbp.gov/trade/forms

ACE Instructions

Technical guides and business rules for ACE Entry Summary filing.

www.cbp.gov/document/guides/ace-entry-summary-instructions

Informed Compliance

'What Every Member Should Know About...' series for specific products.

www.cbp.gov/trade/rulings/informed-compliance-publications

Reasonable Care

Checklist to ensure compliance and avoid penalties for importers/exporters.

www.cbp.gov/document/publications/reasonable-care

Important Notice

TariffX.ai curates these links for reference purposes only. We are not affiliated with any government agency. Always verify information directly with official sources before making compliance decisions. For legal advice, consult a licensed customs broker or trade attorney.