The deal that ended the government shutdown also further cut taxes, adding billions more to the national deficit.

Credit card company American Express posted a $1.2 billion loss in its latest quarter after booking large one-time charges related to the new tax law.

Key senators and farm groups are trying to fix a provision in the federal tax overhaul that gave an unexpected tax break to farmers who sell their crops to cooperatives rather than regular companies.

Apple is planning to build a new corporate campus and hire 20,000 U.S. workers in an expansion driven in part by a tax cut that will enable the iPhone maker to bring an estimated $245 billion back to its home country.

Citigroup reported an $18.3 billion loss in the fourth quarter on Tuesday - effectively wiping out the company's full-year 2017 profit - as the financial conglomerate had to take more than $20 billion in accounting write-downs related to the new tax law.

Republicans assert that the plan will deliver stronger economic growth and substantial pay raises for the middle class. Democrats and most economists counter that the measure will overwhelmingly favor corporations and wealthy individuals.

President Donald Trump is misstating the size of his tax cuts.

As soon as summer, it may become clear whether the tax cuts have unleashed stronger consumer spending. But it could take years to know whether many people are enjoying the generous pay raises.

While cybersecurity should be a year-round concern for small business owners, income tax filing season can bring some particular risks, according to the IRS.

Ask someone like Sam Banks about the tax plan President Donald Trump signed into law Friday, and you hear something other than the effusive joy Republicans in Congress put on display this week.