(Adds Lighthizer statement, U.S. dispute panel details)
By David Lawder, Dave Graham and David Ljunggren
WASHINGTON/MEXICO CITY/OTTAWA, July 1 (Reuters) - A modernized U.S.-Mexico-Canada trade pact took effect on Wednesday, ensuring continuity for manufacturers and agriculture, but the threat of disputes is exposing cracks in what was meant to be a stronger North American fortress of competitiveness.
As the deal kicks in, the Trump administration is threatening Canada with new aluminum tariffs, and a prominent Mexican labor activist has been jailed, underscoring concerns about crucial labor reforms in the replacement for the 26-year-old North American Free Trade Agreement.
The U.S.-Mexico-Canada Agreement includes tighter North American content rules for autos, new protections for intellectual property, prohibitions against currency manipulation and new rules on digital commerce that did not exist when NAFTA launched in 1994.
Trump had lambasted NAFTA as the "worst trade deal ever made" and repeatedly threatened to end it.
USMCA launches as the coronavirus has all three countries mired in a deep recession, cutting their April goods trade flows - normally about $1.2 trillion annually - to the lowest monthly level in a decade.
"The champagne isn't quite as fizzy as we might have expected - even under the best of circumstances - and there's trouble coming from all sides," said Mary Lovely, a Syracuse University economics professor and senior fellow at the Peterson Institute for International Economics in Washington. "This could be a trade agreement that quickly ends up in dispute and higher trade barriers."
Issues dogging USMCA include hundreds of legal challenges to Mexico's new labor law championed by President Andres Manuel Lopez Obrador to ensure that workers can freely organize and unions are granted full collective bargaining rights.
A ruling against it would harm Mexico's ability to deliver on provisions aimed at ending labor contracts agreed without worker consent that are stacked in favor of companies and have kept wages chronically low in Mexico.
Democrats in the U.S. Congress had insisted on the stronger labor provisions last year before granting approval, prompting a substantial renegotiation of terms first agreed in October 2018. The arrest of Mexican labor lawyer Susana Prieto in early June has fueled U.S. unions' arguments that Mexican workers' rights are not being sufficiently protected.
"I remain very concerned that Mexico is falling short of its commitments to implement the legislative reforms that are the foundation in Mexico for effectively protecting labor rights," U.S. Representative Richard Neal, chairman of the House Ways and Means Committee, said on Tuesday, adding that USMCA's success "truly hinges" on its new labor enforcement mechanism.
On Wednesday, U.S. Trade Representative Robert Lighthizer in a video https://www.youtube.com/watch?v=0JWonBeuNp0 touted USMCA as the "most far-reaching, beneficial and modern trade agreement in our history," adding that it would create tens of thousands of new U.S. manufacturing jobs.
But Lighthizer has also said he will file dispute cases "early and often" to enforce USMCA provisions, citing Mexico's failure to approve U.S. biotech products.
That could lead to increased tariffs on offending goods, such as products from individual factories where labor violations are found. Former USTR general counsel Stephen Vaughn, a legal architect of the Trump administration's "Section 301" tariffs on Chinese goods, was appointed on Wednesday to a U.S. roster of panelists to settle state-to-state dispute cases under USMCA.
Carlos Vejar, a former Mexican trade negotiator, said it was in the country's interest to uphold pledges made to strengthen unions and end child labor.
"If Mexico isn't mindful of this, there will be cases against Mexico, and Mexico will lose them," Vejar said.
ALUMINUM TARIFFS REDUX, AUTOMOTIVE BURDENS
U.S. national security tariffs on imported steel and aluminum - including from Canada and Mexico - were a major irritant during USMCA negotiations until a deal for exemptions was reached last year. But now, USTR is considering domestic producers' request https://aluminumnow.org/apaa-calls-on-ambassador-lighthizer-to-restore-tariffs-on-surging-canadian-aluminum-imports to restore the 10% duty on Canadian aluminum to combat a "surge" of imports.
Another source of disputes may be the energy sector, where the main U.S. oil and gas lobby has complained that recent actions by Mexico favoring state oil company Pemex already violate USMCA's protections for private investors.
Canada has also complained about new Mexican rules formally threatening investment in renewable energy.
USMCA will put new compliance burdens on the region's automotive manufacturers as the coronavirus craters consumer spending and auto production. Within three to five years, vehicles' minimum North American content rises to 75% from 62.5%. Automakers must also produce 40% of their vehicles' content in "high wage" areas - effectively the United States and Canada.
A U.S. International Trade Commission study https://www.reuters.com/article/us-usa-trade-nafta-analysis/new-north-american-trade-deal-modestly-boosts-u-s-economy-trade-panel-finds-idUSKCN1RU29E found this would draw more auto parts production to the United States, but may curb U.S. vehicle assembly and raise prices, limiting consumer choice in cars. The same panel found that after 15 years, the deal would add $68.5 billion annually to U.S. economic output and create 176,000 jobs compared with a NAFTA baseline.
(Reporting by David Lawder in Washington, Dave Graham, Anthony Esposito and Daina Beth Solomon in Mexico City and David Ljunggren in Ottawa Writing by David Lawder Editing by Dan Burns and Matthew Lewis)
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