BRUSSELS — The European Parliament has voted by a big margin, in outcomes launched Wednesday morning, to present the European Union’s remaining approval to a Brexit deal already beset by difficulties, complaints and a court docket problem.

The vote was 660 in favor, with 5 in opposition to and 32 abstentions.

Whereas the result was by no means actually unsure, the Parliament expressed appreciable issues concerning the trustworthiness of the present British authorities to hold out in good religion the 2 key paperwork of Brexit: the Withdrawal Settlement and the Commerce and Cooperation Settlement, which was simply accredited.

The latter settlement, which governs commerce and customs points and supplies for zero tariffs and 0 quotas, has been utilized conditionally for the reason that starting of the 12 months. It was completed on Dec. 24 and was ratified by the British Parliament on Dec. 30. However a unfavorable vote by the European Parliament would have killed it, producing the “no-deal Brexit” that neither aspect favored.

The deal leaves out key points like monetary providers and international and safety coverage. Debates and consultations over how greatest to implement the texts in actual life appear fated to increase indefinitely.

The vote marks the tip of a protracted, winding and infrequently bitter street that many have in comparison with an indignant divorce after practically 45 years of marriage. Britons voted to depart the European Union after a marketing campaign crammed with exaggerations on either side practically 5 years in the past, in June 2016.

Britain is now on its third prime minister since then. The wrestle over outline Brexit and Britain’s future relationship with the European Union destroyed the prime ministerships of David Cameron, who was certain that Britons would select to stay, and of his successor, Theresa Could, who didn’t promote a Brexit that may maintain Britain nearer to Brussels.

Boris Johnson wished a extra outlined break, giving Britain the ability to set its personal rules and requirements, which entailed pulling the nation out of Europe’s single market. However that raised the thorny challenge of the border between Northern Eire, which is a part of Britain, and the Republic of Eire, which is a member of the European Union.

All agreed that to maintain the peace on the island of Eire, there couldn’t be the restoration of a land border. To resolve the issue, Mr. Johnson proposed a border within the Irish Sea, which got here into pressure with the Withdrawal Settlement. It has since grow to be the supply of appreciable issues and aggravations with new customs duties and well being checks, and Brussels accuses Mr. Johnson of scheming to eliminate them.

The European Parliament had delayed its vote to protest Britain’s handling of Northern Ireland and the protocol. Britain’s actions are the supply of a authorized criticism filed by the European Fee, the bloc’s government, after Britain unilaterally prolonged grace durations for not conducting checks on items being transported between Northern Eire and the remainder of Britain.

That distrust ran via the controversy over the Commerce and Cooperation Settlement. Christophe Hansen, a key legislator on Brexit from Luxembourg, mentioned {that a} optimistic vote “shouldn’t be seen as a clean examine to the U.Ok. authorities or a blind vote of confidence in that they are going to implement the agreements between us in good religion, however it’s somewhat an insurance coverage coverage from our perspective.”

The settlement, Mr. Hansen mentioned, “will assist us remind the UK of the commitments it has signed as much as.”

Manfred Weber, a German who heads the biggest celebration grouping, the center-right European Individuals’s Social gathering, put it bluntly on Twitter. “We are going to vote in favor of the post-Brexit T.C.A.,” he wrote, referring to the commerce settlement. “However we’re involved about its implementation, as a result of we don’t belief Boris Johnson’s authorities.”

There have been additionally quite a few worries expressed about Britain’s misusing or undermining the complicated arrangements on fishing rights.

David McAllister, a German legislator who’s half Scottish, dismissed a number of the issues as teething points. However he mentioned that some derived from “the sort of Brexit the U.Ok. has chosen for itself,” which is able to imply rising divergence from the European Union single market. That by itself would require persevering with dialogue, he mentioned, in addition to working via areas overlooked of the Brexit deal, together with monetary providers and international and safety insurance policies.

Brussels is dedicated to work on sensible options between Northern Eire, mainland Britain and Eire, he mentioned. “However the protocol shouldn’t be the issue, it’s the answer. The identify of the issue is Brexit.”

Asking Parliament to ratify the deal, the Fee’s president, Ursula von der Leyen, promised that Brussels would use the dispute and enforcement mechanisms within the deal to make sure compliance by Britain. If not, she mentioned, she wouldn’t hesitate to impose punitive tariffs.

“The settlement comes with actual tooth — with a binding dispute settlement mechanism and the chance for unilateral remedial measures the place needed,” she mentioned. “We don’t need to have to make use of these instruments. However we is not going to hesitate to make use of them if needed.”

Sad with Britain, the Parliament had delayed ratification twice. However the conditional implementation would have run out on the finish of April, so the Parliament lastly forged its vote.

After a debate of practically 5 hours on Tuesday, the legislators, lots of whom had been attending nearly, voted remotely, with the ultimate totals revealed on Wednesday morning.

Michel Barnier, who was the E.U.’s chief negotiator with Britain, thanked the legislators for his or her diligence. He praised the deal however warned: “Everybody has to shoulder accountability and respect what they’ve signed as much as.”

He summarized the sentiments of many when he mentioned: “It is a divorce, a warning and a failure, a failure of the European Union, and we’ve got to study classes from it.”

Responding to the vote, Mr. Johnson mentioned in an announcement that “this week is the ultimate step in a protracted journey, offering stability to our new relationship with the E.U. as important buying and selling companions, shut allies and sovereign equals.”

Ratification would mark a brand new chapter in relations with Britain, for good or unhealthy, Ms. von der Leyen mentioned. She hoped, she mentioned, that it will signify “the inspiration of a powerful and shut partnership primarily based on our shared pursuits and values.”

Britain voted to depart the European Union practically 5 years in the past, in a referendum in June 2016. The issues of Brexit, and the persevering with struggles over its implementation, have served if nothing else to finish speak in the remainder of the European Union about making the same exit.

Monika Pronczuk contributed reporting.