After all-night talks on Thursday, EU member states failed to find a compromise to put forward in negotiations with the European Parliament and the European Commission.
Portuguese agriculture minister Maria do Ceu Antunes said member states had made "numerous concessions" in the talks.
The goal is to find a way back to the accord known by its acronym JCPOA, which former US president Donald Trump walked away from and which his successor Joe Biden wants to revive.
The European Union has agreed to reopen its borders to fully vaccinated travellers.
Furthermore, meeting in Brussels, representatives and diplomats agreed to raise the threshold of new cases a country can hit before being declared unsafe.
During the meeting, matters of mutual interest and regional security situation, including recent developments in the Afghan peace process were discussed.
The minister said the Pakistani government was undertaking all possible steps to contain the pandemic through timely decisions and effective preventive measures.
Since Jan. 1, the European Commission's data has covered the EU's 27 countries only, whereas previous figures up to Dec. 31 covered both the EU-27 and Britain.
EU rapeseed imports in 2020/21 had reached 5.80 million tonnes, compared with 5.39 million a year ago.