The White House traded accusations of unpatriotic behavior with the CEO of a major drugmaker after unexpectedly tough new rules from the U.S. Treasury Department on corporate inversions derailed a $160 billion merger between Pfizer Inc. and Allergan Plc.

The biggest deal in drug industry history is dead. Pfizer Inc. and Allergan Plc terminated their $160 billion merger on Wednesday after the U.S. government proposed regulations to crack down on corporate tax inversions, stymieing New York-based Pfizer’s long effort to get out from under the highest corporate tax rate in the developed world.

Thomson Reuters has introduced a new service covering all aspects of financial management and controllership, including accounting and financial reporting, budgeting and forecasting, cost and cash management, business combinations, and internal controls and risk management.

President Barack Obama issued a forceful denunciation of companies that shield profit overseas through corporate inversions, praising new rules that would curb what he called one of the U.S. tax system’s most insidious loopholes.

As the U.S. took tougher steps Monday to limit the tax-cutting power of corporate inversions, analysts said the new rules may put a planned $160 billion merger between Pfizer Inc. and Allergan Plc in jeopardy.

The Treasury Department issued temporary regulations to curb corporate tax inversions while continuing to call on Congress to pass legislation to limit the ability of companies to merge with foreign partners to avoid taxes.

Banks that deal with international tax reporting are facing a slew of upcoming deadlines and regulations.

One time I had a client who became his company’s CEO. At one meeting I asked him how he spent his days and how he managed the transition to CEO.

Donald Trump and Ted Cruz oppose a carbon tax, putting them in league with the Republican National Committee on the issue but at odds with some oil companies and economists who view a levy on those heat-trapping emissions as an effective way to combat climate change.

The Internal Revenue Service has issued guidance updating the limitations on depreciation deductions for new automobiles.

It’s March and the college basketball tournament season is upon us. It is estimated that over $12 billion will be wagered on the NCAA tournament (compared with $10 billion on the Super Bowl).

The roughly 8 million Americans who live abroad automatically get a couple additional months each year to file their taxes. Don’t expect them to be grateful.

More than 80 percent of nonprofits anticipate growth and increased revenues in 2016, according to a new survey.

Kerri Swope of Care.com HomePay discusses Nanny Taxes and why families should be concerned about them.

The Internal Revenue Service has issued a notice delaying the estate basis reporting due date from March 31 until June 30, 2016.

The American Institute of CPAs has written to the Internal Revenue Service recommending some changes in the IRS’s proposed regulations for country-by-country reporting by multinational corporations of financial information to curb tax avoidance.

Alex Quevedo of ADP talks about how accountants can help their clients get the appropriate insurance coverage, in a video interview with Dan Hood of Accounting Today.

As tax professionals, we’re used to seeing a myriad of changes to the tax code every year. We spend hours familiarizing ourselves with the details so we’re prepared to advise our clients in the New Year.

Relatively few employers are claiming the Small Business Health Care Tax Credit under the Affordable Care Act, according to a new government report.

More than half of companies in India are not yet ready for new Indian Accounting Standards, according to a new survey.