Because of that complexity, the corporate minimum tax has faced substantial skepticism. It is less efficient than simply eliminating deductions or raising the corporate tax rate and could open the door for companies to find new ways to make their income appear lower to reduce their tax bills.

Similar versions of the idea have been floated by Mr. Biden during his presidential campaign and by Senator Elizabeth Warren, Democrat of Massachusetts. They have been promoted as a way to restore fairness to a tax system that has allowed major corporations to dramatically lower their tax bills through deductions and other accounting measures.

According to an early estimate from the nonpartisan Joint Committee on Taxation, the tax would most likely apply to about 150 companies annually, and the bulk of them would be manufacturers. That spurred an outcry from manufacturing companies and Republicans, who have been opposed to any policies that scale back the tax cuts that they enacted five years ago.

Although many Democrats acknowledge that the corporate minimum tax was not their first choice of tax hikes, they have embraced it as a political winner. Senator Ron Wyden of Oregon, the chairman of the Senate Finance Committee, shared Joint Committee on Taxation data on Thursday indicating that in 2019, about 100 to 125 corporations reported financial statement income greater than $1 billion, yet their effective tax rates were lower than 5 percent. The average income reported on financial statements to shareholders was nearly $9 billion, but they paid an average effective tax rate of just 1.1 percent.

“Companies are paying rock-bottom rates while reporting record profits to their shareholders,” Mr. Wyden said.

told the Senate Finance Committee last year. “This behavioral response poses serious risks for financial accounting and the capital markets.”

Other opponents of the new tax have expressed concerns that it would give more control over the U.S. tax base to the Financial Accounting Standards Board, an independent organization that sets accounting rules.

“The potential politicization of the F.A.S.B. will likely lead to lower-quality financial accounting standards and lower-quality financial accounting earnings,” Ms. Hanlon and Jeffrey L. Hoopes, a University of North Carolina professor, wrote in a letter to members of Congress last year that was signed by more than 260 accounting academics.

the chief economist of the manufacturing association. “Arizona’s manufacturing voters are clearly saying that this tax will hurt our economy.”

Ms. Sinema has expressed opposition to increasing tax rates and had reservations about a proposal to scale back the special tax treatment that hedge fund managers and private equity executives receive for “carried interest.” Democrats scrapped the proposal at her urging.

When an earlier version of a corporate minimum tax was proposed last October, Ms. Sinema issued an approving statement.

“This proposal represents a common sense step toward ensuring that highly profitable corporations — which sometimes can avoid the current corporate tax rate — pay a reasonable minimum corporate tax on their profits, just as everyday Arizonans and Arizona small businesses do,” she said. In announcing that she would back an amended version of the climate and tax bill on Thursday, Ms. Sinema noted that it would “protect advanced manufacturing.”

That won plaudits from business groups on Friday.

“Taxing capital expenditures — investments in new buildings, factories, equipment, etc. — is one of the most economically destructive ways you can raise taxes,” Neil Bradley, chief policy officer of the U.S. Chamber of Commerce, said in a statement. He added, “While we look forward to reviewing the new proposed bill, Senator Sinema deserves credit for recognizing this and fighting for changes.”

Emily Cochrane contributed reporting.

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Treasury Secretary Yellen Looks to Get Global Tax Deal Back on Track

“I think the reality of turning a political commitment into binding domestic legislation is a lot more complex,” said Manal Corwin, a Treasury official in the Obama administration who now heads the Washington national tax practice at KPMG. “The E.U. has moved and gotten over most of the objections, but they still have Poland and it’s not clear whether they’re going to be able to get the last vote.”

With President Emmanuel Macron of France heading the European Union’s rotating presidency until June, his administration was eager to get a deal implemented. But at a meeting of European finance ministers in early April, Poland became the sole holdout, saying there were no ironclad guarantees that big multinational companies wouldn’t still be able to take advantage of low-tax jurisdictions if the two parts of the agreement did not move ahead in tandem, undercutting the global effort to avoid a race to the bottom when it comes to corporate taxation.

Poland’s stance was sharply criticized by European officials, particularly France, whose finance minister, Bruno Le Maire, suggested that Warsaw was instead holding up a final accord in retaliation for a Europe-wide political dispute. Poland has threatened to veto measures requiring unanimous E.U. votes because of an earlier decision by Brussels to block pandemic recovery funds for Poland.

The European Union had refused to disburse billions in aid to Poland since late last year, citing separate concerns over Warsaw’s interference with the independence of its judicial system. Last week, on the eve of Ms. Yellen’s visit to Poland, the European Commission came up with an 11th-hour deal unlocking 36 billion euros in pandemic recovery funds for Poland, which pledged to meet certain milestones such as judiciary and economic reforms, in return for the money.

Negotiators from around the world have been working for months to resolve technical details of the agreement, such as what kinds of income would be subject to the new taxes and how the deal would be enforced. Failure to finalize the agreement would likely mean the further proliferation of the digital services taxes that European countries have imposed on American technology giants, much to the dismay of those firms and the Biden administration, which has threatened to impose tariffs on nations that adopt their own levies.

“It’s fluid, it’s moving, it’s a moving target,” Pascal Saint-Amans, the director of the center for tax policy and administration at the Organization for Economic Cooperation and Development, said of the negotiations at the D.C. Bar’s annual tax conference this month. “There is an extremely ambitious timeline.”

Countries like Ireland, with a historically low corporate tax rate, have been wary of increasing their rates if others do not follow suit, so it has been important to ensure that there is a common understanding of the new tax rules to avoid opening the door to new loopholes.

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‘Davos Man,’ Marc Benioff and the Covid Pandemic

He frequently tells the story of his supposed inspiration for founding Salesforce. Despite success at Oracle, where he worked early in his career, Mr. Benioff was plagued by existential doubt, prompting him to take a sabbatical to southern India. There, he visited a woman known as “the hugging saint,” who urged him to share his prosperity.

From the incorporation of Salesforce in 1999, Mr. Benioff pledged that he would devote 1 percent of its equity and product to philanthropic undertakings, while encouraging employees to dedicate 1 percent of their working time to voluntary efforts. Salesforce employees regularly volunteer at schools, food banks and hospitals.

“There are very few examples of companies doing this at scale,” Mr. Benioff told me in an interview. He noted that people were always talking to him about another business known for its focus on doing good, Ben & Jerry’s. He said this with a chuckle, clearly amused that his company — now worth more than $200 billion — could be compared to the aging Vermont hippies who had brought the world Cherry Garcia ice cream.

Mr. Benioff is by many indications a true believer, not just idly parroting Davos Man talking points. In 2015, when Indiana proceeded with legislation that would have allowed businesses to discriminate against gay, lesbian and transgender employees, he threatened to yank investment, forcing a change in the law. He shamed Facebook and Google for abusing the public trust and called for regulations on search and social media giants. Early in the pandemic, Salesforce embraced remote work to protect employees.

“I’m trying to influence others to do the right thing,” he told me. “I feel that responsibility.”

I found myself won over by his boyish enthusiasm, and his willingness to talk at length absent public relations minders — a rarity for Silicon Valley.

His philanthropic efforts have been directed at easing homelessness in San Francisco, while expanding health care for children. He and Salesforce collectively contributed $7 million toward a successful 2018 campaign for a local ballot measure that levied fresh taxes on San Francisco companies to finance expanded programs. The new taxes were likely to cost Salesforce $10 million a year.

That sounded like a lot of money, ostensible evidence of a socially conscious C.E.O. sacrificing the bottom line in the interest of catering to societal needs. But it was less than a trifle alongside the money that Salesforce withheld from the government through legal tax subterfuge.

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How Top Accounting Firms Help Their Clients Sidestep Taxes

This year, Mr. Harter returned to PwC.

“I fully complied with Treasury Department conflicts rules by not meeting with PwC representatives” during a two-year “cooling off” period that restricts government officials from meeting with their former employers, Mr. Harter said. Although he was involved in the construction of the offshore tax break and met with corporate lobbyists, Mr. Harter said he did not recall meeting with Ms. Olson or other PwC officials on the topic.

Ms. Olson referred questions to PwC.

The 2017 tax overhaul included a provision that let some people take a 20 percent tax deduction on certain types of business income. But the law — known as Section 199A — largely excluded an undefined category of “brokerage services.” In 2018, lobbyists for several industries, including real estate and insurance, visited the Treasury to try to persuade officials that the broker prohibition should not apply to them.

On Aug. 1, records show, Ms. Ellis met with her former PwC colleague, Mr. Feuerstein, and three other lobbyists for his client, the National Association of Realtors. They wanted real estate brokers to qualify for the 20 percent deduction.

The meeting took place before the first draft of the proposed rules was even made public, which meant that, right off the bat, Ms. Ellis’s former PwC colleague and his client had an inside track.

When the Treasury published its first version of the proposed rules a week later, real estate brokers were eligible. The National Association of Realtors took credit for the victory on its website. (The final rules applied only to brokers of stocks and other securities.)

Ms. Ellis’s meeting with Mr. Feuerstein appeared to violate a federal ethics rule that restricts government officials from meeting with their former private sector colleagues, said Don Fox, the acting director of the Office of Government Ethics during the Obama administration and, before that, a lawyer in Republican and Democratic administrations.

Mr. Fox described the meeting as improper. “It certainly is going to call into question how that regulation was drafted,” he said. “There’s no way to undo the taint that is now going to be attached to that.”

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Finance Ministers Meet in Venice to Finalize Global Tax Agreement

“I think first, this is an economic surrender that other countries are glad to go along with, as long as America is making itself that uncompetitive,” Mr. Brady said. “And secondly, I think there are too many competing interests here for them to finalize a deal that would be agreeable to Congress.”

Other nations must also determine how to turn their commitments into domestic law.

The mechanics of changing how the largest and most profitable companies are taxed, and of making exceptions for financial services, oil and gas businesses, will be central to the discussions. There are already concerns that carve-outs could lead to new tax loopholes.

Ms. Yellen, who is making her second international trip as Treasury secretary, will be holding bilateral meetings with many of her counterparts, including officials from Saudi Arabia, Japan, Turkey and Argentina. China, which signed on to the global minimum tax framework, is not expected to send officials to the gathering of finance ministers and central bank governors, so there will be no discussions between the world’s two largest economic powers.

Mr. Saint-Amans expressed optimism about the trajectory of the tax negotiations, which were on life support during the final year of the Trump administration, and attributed that largely to the new diplomatic approach from the United States.

“It took a U.S. election, and some work at the O.E.C.D.,” he said.

During the panel discussion on tax and climate change, Ms. Yellen’s counterparts said they appreciated the spirit of cooperation from the United States.

Chrystia Freeland, Canada’s deputy prime minister and finance minister, said having the United States back at the table working to combat climate change was “welcome” and “transformative.” Mr. Le Maire thanked the Biden administration for rejoining the Paris Agreement.

“The U.S. is back,” he said.

Jim Tankersley contributed reporting from Washington, andLiz Alderman from Paris.

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How Private Equity Firms Avoid Taxes

There were two weeks left in the Trump administration when the Treasury Department handed down a set of rules governing an obscure corner of the tax code.

Overseen by a senior Treasury official whose previous job involved helping the wealthy avoid taxes, the new regulations represented a major victory for private equity firms. They ensured that executives in the $4.5 trillion industry, whose leaders often measure their yearly pay in eight or nine figures, could avoid paying hundreds of millions in taxes.

The rules were approved on Jan. 5, the day before the riot at the U.S. Capitol. Hardly anyone noticed.

The Trump administration’s farewell gift to the buyout industry was part of a pattern that has spanned Republican and Democratic presidencies and Congresses: Private equity has conquered the American tax system.

one recent estimate, the United States loses $75 billion a year from investors in partnerships failing to report their income accurately — at least some of which would probably be recovered if the I.R.S. conducted more audits. That’s enough to roughly double annual federal spending on education.

It is also a dramatic understatement of the true cost. It doesn’t include the ever-changing array of maneuvers — often skating the edge of the law — that private equity firms have devised to help their managers avoid income taxes on the roughly $120 billion the industry pays its executives each year.

Private equity’s ability to vanquish the I.R.S., Treasury and Congress goes a long way toward explaining the deep inequities in the U.S. tax system. When it comes to bankrolling the federal government, the richest of America’s rich — many of them hailing from the private equity industry — play by an entirely different set of rules than everyone else.

The result is that men like Blackstone Group’s chief executive, Stephen A. Schwarzman, who earned more than $610 million last year, can pay federal taxes at rates similar to the average American.

Lawmakers have periodically tried to force private equity to pay more, and the Biden administration has proposed a series of reforms, including enlarging the I.R.S.’s enforcement budget and closing loopholes. The push for reform gained new momentum after ProPublica’s recent revelation that some of America’s richest men paid little or no federal taxes.

nearly $600 million in campaign contributions over the last decade, has repeatedly derailed past efforts to increase its tax burden.

Taylor Swift’s back music catalog.

The industry makes money in two main ways. Firms typically charge their investors a management fee of 2 percent of their assets. And they keep 20 percent of future profits that their investments generate.

That slice of future profits is known as “carried interest.” The term dates at least to the Renaissance. Italian ship captains were compensated in part with an interest in whatever profits were realized on the cargo they carried.

The I.R.S. has long allowed the industry to treat the money it makes from carried interests as capital gains, rather than as ordinary income.

article highlighting the inequity of the tax treatment. It prompted lawmakers from both parties to try to close the so-called carried interest loophole. The on-again, off-again campaign has continued ever since.

Whenever legislation gathers momentum, the private equity industry — joined by real estate, venture capital and other sectors that rely on partnerships — has pumped up campaign contributions and dispatched top executives to Capitol Hill. One bill after another has died, generally without a vote.

One day in 2011, Gregg Polsky, then a professor of tax law at the University of North Carolina, received an out-of-the-blue email. It was from a lawyer for a former private equity executive. The executive had filed a whistle-blower claim with the I.R.S. alleging that their old firm was using illegal tactics to avoid taxes.

The whistle-blower wanted Mr. Polsky’s advice.

Mr. Polsky had previously served as the I.R.S.’s “professor in residence,” and in that role he had developed an expertise in how private equity firms’ vast profits were taxed. Back in academia, he had published a research paper detailing a little-known but pervasive industry tax-dodging technique.

$89 billion in private equity assets — as being “abusive” and a “thinly disguised way of paying the management company its quarterly paycheck.”

Apollo said in a statement that the company stopped using fee waivers in 2012 and is “not aware of any I.R.S. inquiries involving the firm’s use of fee waivers.”

floated the idea of cracking down on carried interest.

Private equity firms mobilized. Blackstone’s lobbying spending increased by nearly a third that year, to $8.5 million. (Matt Anderson, a Blackstone spokesman, said the company’s senior executives “are among the largest individual taxpayers in the country.” He wouldn’t disclose Mr. Schwarzman’s tax rate but said the firm never used fee waivers.)

Lawmakers got cold feet. The initiative fizzled.

In 2015, the Obama administration took a more modest approach. The Treasury Department issued regulations that barred certain types of especially aggressive fee waivers.

But by spelling that out, the new rules codified the legitimacy of fee waivers in general, which until that point many experts had viewed as abusive on their face.

So did his predecessor in the Obama administration, Timothy F. Geithner.

Inside the I.R.S. — which lost about one-third of its agents and officers from 2008 to 2018 — many viewed private equity’s webs of interlocking partnerships as designed to befuddle auditors and dodge taxes.

One I.R.S. agent complained that “income is pushed down so many tiers, you are never able to find out where the real problems or duplication of deductions exist,” according to a U.S. Government Accountability Office investigation of partnerships in 2014. Another agent said the purpose of large partnerships seemed to be making “it difficult to identify income sources and tax shelters.”

The Times reviewed 10 years of annual reports filed by the five largest publicly traded private equity firms. They contained no trace of the firms ever having to pay the I.R.S. extra money, and they referred to only minor audits that they said were unlikely to affect their finances.

Current and former I.R.S. officials said in interviews that such audits generally involved issues like firms’ accounting for travel costs, rather than major reckonings over their taxable profits. The officials said they were unaware of any recent significant audits of private equity firms.

For a while, it looked as if there would be an exception to this general rule: the I.R.S.’s reviews of the fee waivers spurred by the whistle-blower claims. But it soon became clear that the effort lacked teeth.

Kat Gregor, a tax lawyer at the law firm Ropes & Gray, said the I.R.S. had challenged fee waivers used by four of her clients, whom she wouldn’t identify. The auditors struck her as untrained in the thicket of tax laws governing partnerships.

“It’s the equivalent of picking someone who was used to conducting an interview in English and tell them to go do it in Spanish,” Ms. Gregor said.

The audits of her clients wrapped up in late 2019. None owed any money.

As a presidential candidate, Mr. Trump vowed to “eliminate the carried interest deduction, well-known deduction, and other special-interest loopholes that have been so good for Wall Street investors, and for people like me, but unfair to American workers.”

wanted to close the loophole, congressional Republicans resisted. Instead, they embraced a much milder measure: requiring private equity officials to hold their investments for at least three years before reaping preferential tax treatment on their carried interests. Steven Mnuchin, the Treasury secretary, who had previously run an investment partnership, signed off.

McKinsey, typically holds investments for more than five years. The measure, part of a $1.5 trillion package of tax cuts, was projected to generate $1 billion in revenue over a decade.

credited Mr. Mnuchin, hailing him as “an all-star.”

Mr. Fleischer, who a decade earlier had raised alarms about carried interest, said the measure “was structured by industry to appear to do something while affecting as few as possible.”

Months later, Mr. Callas joined the law and lobbying firm Steptoe & Johnson. The private equity giant Carlyle is one of his biggest clients.

It took the Treasury Department more than two years to propose rules spelling out the fine print of the 2017 law. The Treasury’s suggested language was strict. One proposal would have empowered I.R.S. auditors to more closely examine internal transactions that private equity firms might use to get around the law’s three-year holding period.

The industry, so happy with the tepid 2017 law, was up in arms over the tough rules the Treasury’s staff was now proposing. In a letter in October 2020, the American Investment Council, led by Drew Maloney, a former aide to Mr. Mnuchin, noted how private equity had invested in hundreds of companies during the coronavirus pandemic and said the Treasury’s overzealous approach would harm the industry.

The rules were the responsibility of Treasury’s top tax official, David Kautter. He previously was the national tax director at EY, formerly Ernst & Young, when the firm was marketing illegal tax shelters that led to a federal criminal investigation and a $123 million settlement. (Mr. Kautter has denied being involved with selling the shelters but has expressed regret about not speaking up about them.)

On his watch at Treasury, the rules under development began getting softer, including when it came to the three-year holding period.

Monte Jackel, a former I.R.S. attorney who worked on the original version of the proposed regulations.

Mr. Mnuchin, back in the private sector, is starting an investment fund that could benefit from his department’s weaker rules.

Even during the pandemic, the charmed march of private equity continued.

The top five publicly traded firms reported net profits last year of $8.6 billion. They paid their executives $8.3 billion. In addition to Mr. Schwarzman’s $610 million, the co-founders of KKR each made about $90 million, and Apollo’s Leon Black received $211 million, according to Equilar, an executive compensation consulting firm.

now advising clients on techniques to circumvent the three-year holding period.

The most popular is known as a “carry waiver.” It enables private equity managers to hold their carried interests for less than three years without paying higher tax rates. The technique is complicated, but it involves temporarily moving money into other investment vehicles. That provides the industry with greater flexibility to buy and sell things whenever it wants, without triggering a higher tax rate.

Private equity firms don’t broadcast this. But there are clues. In a recent presentation to a Pennsylvania retirement system by Hellman & Friedman, the California private equity giant included a string of disclaimers in small font. The last one flagged the firm’s use of carry waivers.

The Biden administration is negotiating its tax overhaul agenda with Republicans, who have aired advertisements attacking the proposal to increase the I.R.S.’s budget. The White House is already backing down from some of its most ambitious proposals.

Even if the agency’s budget were significantly expanded, veterans of the I.R.S. doubt it would make much difference when it comes to scrutinizing complex partnerships.

“If the I.R.S. started staffing up now, it would take them at least a decade to catch up,” Mr. Jackel said. “They don’t have enough I.R.S. agents with enough knowledge to know what they are looking at. They are so grossly overmatched it’s not funny.”

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U.S. Backs Global Minimum Tax of at Least 15% to Curb Profit Shifting Overseas

The Biden administration proposed a global tax on multinational corporations of at least 15 percent in the latest round of international tax negotiations, Treasury Department officials said on Thursday, as the U.S. looks to reach a deal with countries that fear hiking their rates will deter investment.

The rate was a lower-than-expected proposal from the United States, and the Treasury Department hailed its positive reception among other countries as a breakthrough in the negotiations. The fate of the talks is closely tied to the Biden administration’s plans for overhauling the corporate tax code in the United States, and the White House is pushing to reach an international agreement this summer and pass legislation later this year.

President Biden has proposed raising the corporate tax rate in the United States to 28 percent from 21 percent, which would be higher than the rate in many other countries. A deal over a global minimum tax would better allow the United States to make the increase without putting American companies at a disadvantage or encouraging them to move operations offshore.

Treasury has been holding meetings this week with a panel of negotiators from 24 countries about the so-called global minimum tax, which would apply to multinational companies regardless of where they locate their headquarters.

said in a statement after the meetings.

The negotiations over the global minimum tax are part of a broader global fight over how to tax technology companies, and they come as the Biden administration is trying to fix provisions in the tax code that it says incentivizes moving jobs overseas. The talks have dragged on for more than two years, slowed by the recalcitrance of the Trump administration and the onslaught of the pandemic.

As part of its American Jobs Plan, the Biden administration called for doubling a tax called the global intangible low-taxed income (or GILTI) to 21 percent, which would narrow the gap between what companies pay on overseas profits and what they pay on earned income in the United States. Under the plan, the tax would be calculated on a per-country basis, which would have the effect of subjecting more income earned overseas to the tax than under the current system.

If the 15 percent global minimum tax rate is adopted, it would still leave a gap between that rate and the Biden administration’s proposed U.S. domestic rate. Treasury officials have argued that the new gap would be smaller than the current one and therefore would not diminish the competitiveness of American companies. A large delta between the global minimum tax and what U.S.-based companies face on their foreign income gives companies that are based outside of the United States an advantage.

American companies have been watching the different moving parts of the negotiations closely. Big businesses have been generally wary of the Biden administration’s tax plans.

also expressed skepticism this week.

Manal Corwin, a former Treasury Department official in the Obama administration who now heads the Washington national tax practice at KPMG, said that other countries had been under the impression that the United States was set on a 21 percent global minimum tax, which would match the tax rate the Biden administration has proposed for U.S.-based companies’ foreign income. The fact that the U.S. is ready to negotiate from a lower rate is important, she said.

“To get a deal, it was important for the U.S. to clarify that they’re not necessarily saying 21 percent or nothing,” Ms. Corwin said.

Still, she added, the 15 percent “floor” could be too high for some countries to accept and too low to win approval from some members of Congress in the United States.

Rohit Kumar, leader of PwC’s Washington National Tax Services office, said that the reaction from Ireland and other countries to the proposal will be crucial because a tax agreement reached through the negotiations would be far from ironclad.

“Do countries actually change national law and enact it? Or is it just a political agreement where everyone is says, ‘That’s nice, but we’re not doing it?’” Mr. Kumar, a former top aid to Senator Mitch McConnell, the Senate minority leader, said. “As U.S. lawmakers are examining these proposals, that is the several trillion dollar question.”

Treasury officials said that they never insisted on the 21 percent rate, but that they believed that other countries were receptive to the idea of adopting a rate higher than 15 percent depending on the fate of the changes to the American tax system that are under consideration.

Ms. Yellen has warned that a global “race to the bottom” has been eating away at government revenues, and she has adopted a more collaborative approach to the negotiations than the Trump administration employed.

She is expected to continue talks about global tax reform with her international counterparts at the Group of 7 finance ministers meeting next month.

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Amazon Paid No Corporate Tax to Luxembourg

Amazon had a record-breaking year in Europe in 2020, as the online giant took in revenue of 44 billion euros while people were shopping from home during the pandemic. But the company ended up paying no corporate tax to Luxembourg, where the company has its European headquarters.

The company’s European retail division reported a loss of €1.2 billion ($1.4 billion) to Luxembourg authorities, according to a recent financial filing, making it exempt from corporate taxes. The loss, which was due in part to discounts, advertising and the cost of hiring new employees, also meant the company received €56 million in tax credits that it could use to offset future tax bills when it makes a profit, according to the filing, released in March.

Amazon was in compliance with Luxembourg’s regulations, and it pays taxes to other European countries on profits it makes on its retail operations and other parts of the business, like its fulfillment centers and its cloud computing services.

But the filing is likely to provide fresh ammunition for European policymakers who have long tried to force American tech giants to pay more taxes. And the Biden administration is pushing for changes in global tax policy as part of an effort to raise taxes on large corporations, which have long used complicated maneuvers to avoid or reduce their tax obligations, including by shifting profits to lower-tax countries, like Luxembourg, Ireland, Bermuda and the Cayman Islands.

first three months of this year, the entire company’s profit soared to $8.1 billion, an increase of 220 percent from the same period last year. Amazon’s first-quarter filings, released last week, also showed that it made $108.5 billion in sales, up 44 percent, as more customers made purchases online because of the pandemic.

The company’s filing with Luxembourg was reported earlier by The Guardian.

A spokesman for Amazon, Conor Sweeney, said the company paid all taxes required in every country in which it operated.

“Corporate tax is based on profits, not revenues, and our profits have remained low given our heavy investments and the fact that retail is a highly competitive, low-margin business,” he said.

250 million in unpaid taxes from 2006 through 2014 from Amazon. Amazon and Luxembourg appealed that order, and a judgment in Europe’s second-highest court is expected next week.

Margaret Hodge, a British lawmaker, said Amazon had deliberately created financial structures to avoid tax. “It’s obscene that they feel that they can make money around the world and that they don’t have an obligation to contribute to what I call the common pot for the common good,” she said.

Matthew Gardner, a senior fellow at the Institute on Taxation and Economic Policy, a left-leaning research group in Washington, said Amazon’s Luxembourg filing showed why there was such urgency, not only in the European Union but also in the United States, to require a global minimum tax.

“This is a stark reminder of the high financial stakes of inaction,” he said.

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Biden Seeks $80 Billion to Beef Up I.R.S. Audits of High-Earners

WASHINGTON — President Biden, in an effort to pay for his ambitious economic agenda, is expected to propose giving the Internal Revenue Service an extra $80 billion and more authority over the next 10 years to help crack down on tax evasion by high-earners and large corporations, according to two people familiar with the plan.

The additional money and enforcement power will accompany new disclosure requirements for people who own businesses that are not organized as corporations and for other wealthy people who could be hiding income from the government.

The Biden administration will portray those efforts — coupled with new taxes it is proposing on corporations and the rich — as a way to level the tax playing field between typical American workers and very high-earners who employ sophisticated efforts to minimize or avoid taxation.

Mr. Biden plans to use money raised by the effort to help pay for the cost of his “American Families Plan,” which he will detail before addressing a joint session of Congress on Wednesday.

$2.3 trillion infrastructure package, is expected to cost at least $1.5 trillion and will include universal prekindergarten, a federal paid leave program, efforts to make child care more affordable, free community college for all and tax credits meant to fight poverty.

The administration also aims to pay for the plan by raising the top marginal income tax rate for wealthy Americans to 39.6 percent from 37 percent and raising capital gains tax rates for those who earn more than $1 million a year. Mr. Biden will also seek to raise the tax rate on income that people earning more than $1 million per year receive through stock dividends, according to a person familiar with the proposal.

Administration officials have privately concluded that an aggressive crackdown on tax avoidance by corporations and the rich could raise at least $700 billion on net over 10 years. The $80 billion in proposed funding would be an increase of two-thirds over the agency’s entire funding levels for the past decade.

The administration is expected to portray the $780 billion it expects to collect through enhanced enforcement as conservative. That figure includes only money directly raised by enhanced tax audits and additional reporting requirements, and not any additional revenue from people or companies choosing to pay more taxes after previously avoiding them.

Previous administrations have long talked about trying to close the so-called tax gap — the amount of money that taxpayers owe but that is not collected each year. This month, the head of the I.R.S., Charles Rettig, told a Senate committee that the agency lacked the resources to catch tax cheats, costing the government as much as $1 trillion a year. The agency’s funding has failed to keep pace with inflation in recent years, amid budget tightening efforts, and its audits of rich taxpayers have declined.

whose research with the Harvard University economist Lawrence H. Summers suggests that the United States could raise as much as $1.1 trillion over a decade via increased tax enforcement.

Mr. Summers praised Mr. Biden’s expected plan in an email late Monday. “This is the broadly right approach,” he said. “Deterioration in I.R.S. enforcement effort and information gathering is scandalous. The Biden plan would make the American tax system fairer, more efficient and, I’m confident, raise more revenue than official scorekeepers now forecast — likely a trillion over 10 years.”

Mr. Biden’s efforts would incorporate some of Ms. Sarin and Mr. Summers’s suggestions, including investing heavily in information technology improvements to help the agency better target its audits of high-earners and companies.

They would also provide a dedicated funding stream to the agency, to enable officials to steadily ramp up their enforcement practices without fear of budget cuts, and to signal to potential tax evaders that the agency’s efforts will not be soon diminished. Mr. Biden would also add new requirements for people who own so-called pass-through corporations or hold their wealth in opaque structures, reminiscent of a program established under President Barack Obama that helps the agency better track possible tax evasion by Americans with overseas holdings.

Fred T. Goldberg Jr., an I.R.S. commissioner under President George H.W. Bush, called Mr. Biden’s plan “transformative” for combining those efforts.

“Information reporting, coupled with restoring enforcement efforts, is key to improve in compliance,” Mr. Goldberg said in an email. “Audits alone will never do the trick.”

He added: “None of this happens overnight. A decade of stable funding is necessary to recruit and train talent and build on the necessary technology — not only for compliance purposes but to meet the quality of services that the vast majority complaint taxpayers expect and deserve.”

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Tax cheats cost the U.S. $1 trillion per year, I.R.S chief says.

The United States is losing approximately $1 trillion in unpaid taxes every year, Charles Rettig, the Internal Revenue Service commissioner, estimated on Tuesday, arguing that the agency lacks the resources to catch tax cheats.

The so-called tax gap has surged in the last decade. The last official estimate from the I.R.S. was that an average of $441 billion per year went unpaid from 2011 to 2013. Most of the unpaid taxes are the result of evasion by the wealthy and large corporations, Mr. Rettig said.

“We do get outgunned,” Mr. Rettig said during a Senate Finance Committee hearing on the upcoming tax season.

Senator Ron Wyden of Oregon, the Democratic chairman of the committee, called the $1 trillion tax gap a “jaw-dropping figure.”

spending proposal that the Biden administration released last week asked for a 10.4 percent increase above current funding levels for the tax collection agency, to $13.2 billion. The additional money would go toward increased oversight of tax returns of high-income individuals and companies and to improve customer service at the I.R.S.

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