Official Sources

European Union

• EUR-Lex Official Journal

  Official EU gazette publishing regulations, directives, and implementing acts

• DG Trade - Trade Defence

  Anti-dumping, anti-subsidy, and safeguard investigations

• TARIC - EU Customs Tariff

  Integrated tariff of the European Union

Brazil

• Diário Oficial da União

  Brazilian official gazette

• Secretaria de Comércio Exterior (SECEX)

  Ministry of Development, Industry, Trade and Services - foreign trade office

Argentina

• Boletín Oficial

  Argentine official gazette

Mercosur

• Mercosur Official Site

  Official information, decisions, and resolutions

WTO

• WTO Dispute Settlement

  Trade dispute cases and panel reports

• WTO Anti-Dumping Gateway

  Notifications and measures database

How to Use These Sources

For tariff lookups: Use TARIC for EU rates. For Mercosur countries, check national customs authority websites.

For new measures: Monitor official journals (EUR-Lex, Diário Oficial, Boletín Oficial) which publish new regulations as they enter into force.

For trade defense: Check DG Trade and WTO databases for anti-dumping and safeguard investigations.