Brussels: The European Commission is defending the EU-Mercosur agreement as its trade pillar continues to apply provisionally across the bloc, even though the European Parliament referred the pact to the EU’s top court in January 2026 and suspended its own ratification for up to 18 months. The deal between the EU and the South American bloc of Argentina, Brazil, Paraguay and Uruguay has applied provisionally since 1 May 2026, removing tariffs on the bulk of trade between the two regions.
Where the EU-Mercosur agreement stands
The agreement was signed on 17 January 2026 and quickly ratified by all four Mercosur parliaments. On the European side, a qualified majority of member states cleared the trade pillar, letting it enter provisional application on 1 May. Full entry into force still requires consent from the European Parliament and ratification by every EU member state.
- Signed 17 January 2026 and provisionally applied from 1 May 2026
- Eliminates tariffs on roughly 91% of bilateral trade
- Covers a combined market of more than 700 million people
- Already ratified by Argentina, Brazil, Paraguay and Uruguay
The legal cloud over ratification
On 21 January 2026 the European Parliament adopted, by 334 votes to 324 with 11 abstentions, a resolution asking the Court of Justice of the EU whether the EU-Mercosur agreement is compatible with the EU treaties. The referral does not halt provisional application of the trade pillar but freezes Parliament’s ratification vote for an estimated 16 to 18 months while judges deliberate.
The Parliament’s legislative file tracks the trade pillar’s path through the institutions.
Reactions and disputes
Opposition has centred on farming and environmental concerns. Austria, France, Hungary, Ireland and Poland voted against the deal in Council and Belgium abstained. Tensions flared again in May 2026 when the EU suspended imports of several Brazilian animal products, including beef, poultry and eggs, after finding Brazil no longer met EU antimicrobial standards for food-producing animals.
The Commission has nonetheless held firm, casting the pact as a strategic opening to a fast-growing market at a time of global trade fragmentation.
“This is a win-win agreement,” European Commission President Ursula von der Leyen said when the Council endorsed the deal.
How we got here
Negotiations between the EU and Mercosur ran for some 25 years before a political agreement was reached in 2024, followed by signature in January 2026. The pact is the EU’s largest trade deal by population covered, but it has long divided the bloc between exporters keen to win access for cars, machinery and wine, and farmers and green groups warning about beef imports and Amazon deforestation.
What happens next
The trade pillar will keep applying provisionally while the Court of Justice weighs Parliament’s questions, a process expected to take well into 2027. Only once the court rules and national parliaments ratify can the full EU-Mercosur agreement enter into force, leaving a long stretch of legal and political uncertainty ahead.




