"It has to be a fair agreement for both sides - we are not going to sign an agreement at any cost," Sefcovic told reporters after a meeting with Britain's Brexit supremo Michael Gove in London.
Underlining those risks, the head of the European Commission and the Finnish prime minister have had to leave a two-day EU summit that ends on Friday as a COVID-19 precaution.
LCH clears the vast majority of euro-denominated swaps, an activity core to London's role as a global financial centre and which EU has long wanted to be in the bloc.
"But we have to bear in mind the realities because an agreement has to be in the interests of both sides, in the British interest and in the interest of the EU's 27 member states."
"As the elections are not going to be postponed, the European Union can not even consider sending an election observer mission," the EU's top diplomat Josep Borrell told the European Parliament.
This week's round of negotiations between the EU and London on a new trade agreement after Brexit, the last scheduled, failed to resolve all the outstanding issues, the sources said.
Such so-called infringements could lead to hefty fines being imposed by the EU's top court but that takes years, leaving plenty of time for the UK to change tack.
Assuming one dose per person, such a first batch would cover 6-7% of the EU population.
These doses will be distributed pro-rata among the member states and so on and so forth until we get to a total of the 300 million doses we have negotiated.
Michel's latest plan includes a "super emergency brake" that gives any country a three-day window to trigger a review by all member states of another's spending plans.
The measures prohibit certain exports and imports from Crimea, and ban EU-based companies from investment and tourism services in the strategic Black Sea peninsula.
In an announcement coinciding with the launch of Germany's app, the Brussels-based executive said it will be responsible for managing a central gateway for national apps to 'talk' to each other.
Under the Commission proposal, travellers would be allowed in based on their place of residence, not nationality, and they would not have to go into quarantine on arrival.