WASHINGTON (AP) — President Donald Trump vowed to deliver on a major tax cut for middle-class Americans on Tuesday as the White House and congressional leaders prepared to release details on a tax overhaul proposal that would slash the corporate rate and simplify the nation's tax code.

Poised to reveal a tax plan that is a pillar of "his economic policy and delivering on a campaign pledge, President Donald Trump is promising "The largest tax cut in the history of our country."

The Latest on the Republican effort to overhaul the tax system (all times local): 4:35 p.m.

The Republican tax plan may include the elimination of the so called "death tax," FOX Business has learned.

Only one thing is certain for insurance shoppers if the latest attempt to replace former President Barack Obama's health care law succeeds: Uncertainty.

North Carolina promised tax breaks, worker training and other incentives worth more than $570 million to attract a Foxconn electronics plant that could employ 8,800 people, but the state lost out to Wisconsin's promise of five times more in incentives.

Tony Sayegh, Assistant Secretary of the Treasury for Public Affairs, told FOX Business, the GOP tax plan will benefit middle income families and small businesses.

The Republican Party is gearing up to detail the intricacies of its tax reform overhaul this week and the corporate tax rate is a main area of uncertainty for lawmakers, but one that could make a big difference in future economic growth.

American military contractors operating in Iraq are accusing Baghdad of employing strong-arm tactics to make them pay exorbitant income taxes, a practice they've warned the Trump administration is hampering the fight against Islamic State extremists.

Treasury Secretary Steven Mnuchin says a Republican tax overhaul plan expected to come out this week will offer help for the middle class and businesses.

SOMERSET, N.J. (AP) — A proposed tax overhaul set to come out this week from Republicans will offer help for the middle class and businesses, President Donald Trump's Treasury secretary said.

President Donald Trump says he wants to lure Democratic lawmakers to sign on to a Republican-crafted tax overhaul plan.