"Today President Trump fulfilled one of his key promises to the American people", Lighthizer said Thursday, according to the paper.
Lighthizer was appointed United States trade representative Monday.
The renegotiation provides the Trump Administration with a unique opportunity to reset the USA trade agenda, according to National Farmers Union (NFU).
But longtime congressional critics of the trade deal that that contributed to Midwestern manufacturing job loss expressed skepticism that a president who packed his cabinet with Wall Street veterans will make trade changes that help the middle class.
US Chamber of Commerce president Thomas Donohue urged US officials to "do no harm" to businesses that depend on trade with Canada and Mexico and to move quickly on a new trilateral deal.
Renegotiation of Nafta was a key campaign promise of American president Donald Trump, who frequently said the 23-year-old trade pact was a "disaster" that has drained United States factories and well-paid manufacturing jobs to Mexico. "Better for the people of Mexico, the US and the people of Canada". Tariff-free access to Canada and Mexico a year ago were worth $799 million and $1.4 billion respectively.
"The world has changed, we've learned a lot and we can make it better", he said.
She reiterated the government's key message on NAFTA - that it is in fact a good deal for all parties, including the US, where nine million American jobs are dependent on it.
"While every partnership has disagreements to occasionally be resolved, the U.S". "While NAFTA involves three parties, it must be OK to acknowledge and reflect differences and, even where there may be common ultimate goals, allow the U.S".
"We are not satisfied to take a wait-and-see approach when it comes to any renegotiation of NAFTA", Wynne said in a statement. This shows the benefits to the USA of pursuing big multilateral trade deals, where bargains of that kind can be struck, rather than the narrow or bilateral agreements that Trump says he prefers. He also cited digital trade, describing it as "in its infancy when NAFTA was enacted".
Trump's efforts to find the political capital to support a new trade pact will be complicated by controversies engulfing the White House. The letter was required under a law that mandates that the president give Congress at least 90 days' notice before opening a trade negotiation. US corn refiners, who battled for years in the late 1990s and early 2000s over access to the Mexican market for HFCS, are concerned about fallout from a renewed trade spat in sweeteners.
Congressional Democrats were more skeptical about Trump's plans.
Susan Schwab, the US trade representative in the George W. Bush Administration, said it's about time. "We don't know enough".
The notification starts the clock on a 90-day period in which Congress will consult with the administration about its goals.